id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
c812460e69d8448bbf504bdb95d8dbd19f30d5d7 | Analyze and fix the following issue in the Linux kernel code: drm/radeon: fix signed v unsigned print formats | Problem Details:
Fix several places where %ld or %d has been used in place of
%lu or %u.
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> | ```diff
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index 18ca1bcfd2f9..20fc87409f2e 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -110,7 +110,7 @@ int radeon_gem_object_create(struct radeon_device *rdev, unsigned long size,
*... |
2f2a72de673513247cd6fae14e53f6c40c5841ef | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix drm panic null pointer when driver not support atomic | Problem Details:
When driver not support atomic, fb using plane->fb rather than
plane->state->fb.
Fixes: fe151ed7af54 ("drm/amdgpu: add generic display panic helper code")
Signed-off-by: Lu Yao <yaolu@kylinos.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index c57cfd12470a..48b6f6077992 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -1880,7 +1880,12 @@ int amdgpu_display_get_scanout_buffer(struct d... |
fc1366016abe4103c0f0fac882811aea961ef213 | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix gfx9 update PTE mtype flag | Problem Details:
Fix copy&paste error, that should have been an assignment instead of an or,
otherwise MTYPE_UC 0x3 can not be updated to MTYPE_RW 0x1.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 3f1178be219e..e35ed0cc2ec6 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -1204,16 +1204,16 @@ static void gmc_v9_0_get_vm_pte(struct amdgpu_device *adev,
*flags... |
afa27621a28af317523e0836dad430bec551eb54 | Analyze and fix the following issue in the Linux kernel code: net: usb: pegasus: fix memory leak in update_eth_regs_async() | Problem Details:
When asynchronously writing to the device registers and if usb_submit_urb()
fail, the code fail to release allocated to this point resources.
Fixes: 323b34963d11 ("drivers: net: usb: pegasus: fix control urb submission")
Signed-off-by: Petko Manolov <petkan@nucleusys.com>
Link: https://patch.msgid.lin... | ```diff
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 81ca64debc5b..c514483134f0 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -168,6 +168,8 @@ static int update_eth_regs_async(pegasus_t *pegasus)
netif_device_detach(pegasus->net);
netif_err(pegasus, drv, pe... |
a4e305ed60f7c41bbf9aabc16dd75267194e0de3 | Analyze and fix the following issue in the Linux kernel code: net: 3com: 3c59x: fix possible null dereference in vortex_probe1() | Problem Details:
pdev can be null and free_ring: can be called in 1297 with a null
pdev.
Fixes: 55c82617c3e8 ("3c59x: convert to generic DMA API")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Link: https://patch.msgid.link/20260106094731.25819-2-fourier.thomas@gmail.com
Signed-... | ```diff
diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c
index 8c9cc97efd4e..4fe4efdb3737 100644
--- a/drivers/net/ethernet/3com/3c59x.c
+++ b/drivers/net/ethernet/3com/3c59x.c
@@ -1473,7 +1473,7 @@ static int vortex_probe1(struct device *gendev, void __iomem *ioaddr, int irq,
retur... |
c1d73b1480235731e35c81df70b08f4714a7d095 | Analyze and fix the following issue in the Linux kernel code: net/sched: sch_qfq: Fix NULL deref when deactivating inactive aggregate in qfq_reset | Problem Details:
`qfq_class->leaf_qdisc->q.qlen > 0` does not imply that the class
itself is active.
Two qfq_class objects may point to the same leaf_qdisc. This happens
when:
1. one QFQ qdisc is attached to the dev as the root qdisc, and
2. another QFQ qdisc is temporarily referenced (e.g., via qdisc_get()
/ qdisc_... | ```diff
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index d920f57dc6d7..f4013b547438 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -1481,7 +1481,7 @@ static void qfq_reset_qdisc(struct Qdisc *sch)
for (i = 0; i < q->clhash.hashsize; i++) {
hlist_for_each_entry(cl, &q->clhash.hash[i], c... |
8236fc613d44e59f6736d6c3e9efffaf26ab7f00 | Analyze and fix the following issue in the Linux kernel code: Documentation: tracing: Add PCI tracepoint documentation | Problem Details:
The PCI tracing system provides tracepoints to monitor critical hardware
events that can impact system performance and reliability. Add
documentation about it.
Signed-off-by: Shuai Xue <xueshuai@linux.alibaba.com>
[bhelgaas: squash fixes:
https://lore.kernel.org/r/20260108013956.14351-2-bagasdotme@gma... | ```diff
diff --git a/Documentation/trace/events-pci.rst b/Documentation/trace/events-pci.rst
new file mode 100644
index 000000000000..03ff4ad30ddf
--- /dev/null
+++ b/Documentation/trace/events-pci.rst
@@ -0,0 +1,74 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===========================
+Subsystem Trace Points: PCI
+===... |
cb500023a75246f60b79af9f7321d6e75330c5b5 | Analyze and fix the following issue in the Linux kernel code: PCI/P2PDMA: Fix p2pmem_alloc_mmap() warning condition | Problem Details:
Commit b7e282378773 has already changed the initial page refcount of
p2pdma page from one to zero, however, in p2pmem_alloc_mmap() it uses
"VM_WARN_ON_ONCE_PAGE(!page_ref_count(page))" to assert the initial page
refcount should not be zero and the following will be reported when
CONFIG_DEBUG_VM is enab... | ```diff
diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
index 218c1f5252b6..dd64ec830fdd 100644
--- a/drivers/pci/p2pdma.c
+++ b/drivers/pci/p2pdma.c
@@ -147,7 +147,7 @@ static int p2pmem_alloc_mmap(struct file *filp, struct kobject *kobj,
* we have just allocated the page no one else should be
* using... |
e25348c5405c38c7b5e7b833898f2d205289186a | Analyze and fix the following issue in the Linux kernel code: PM: EM: Fix memory leak in em_create_pd() error path | Problem Details:
When ida_alloc() fails in em_create_pd(), the function returns without
freeing the previously allocated 'pd' structure, leading to a memory leak.
The 'pd' pointer is allocated either at line 436 (for CPU devices with
cpumask) or line 442 (for other devices) using kzalloc().
Additionally, the function ... | ```diff
diff --git a/kernel/power/energy_model.c b/kernel/power/energy_model.c
index 11af9f64aa82..5b055cbe5341 100644
--- a/kernel/power/energy_model.c
+++ b/kernel/power/energy_model.c
@@ -449,8 +449,10 @@ static int em_create_pd(struct device *dev, int nr_states,
INIT_LIST_HEAD(&pd->node);
id = ida_alloc(&em_p... |
54b603f2db6b95495bc33a8f2bde80f044baff9a | Analyze and fix the following issue in the Linux kernel code: PM: EM: Fix incorrect description of the cost field in struct em_perf_state | Problem Details:
Due to commit 1b600da51073 ("PM: EM: Optimize em_cpu_energy() and remove
division"), the logic for energy consumption calculation has been modified.
The actual calculation of cost is 10 * power * max_frequency / frequency
instead of power * max_frequency / frequency.
Therefore, the comment for cost ha... | ```diff
diff --git a/include/linux/energy_model.h b/include/linux/energy_model.h
index 43aa6153dc57..e7497f804644 100644
--- a/include/linux/energy_model.h
+++ b/include/linux/energy_model.h
@@ -18,7 +18,7 @@
* @power: The power consumed at this level (by 1 CPU or by a registered
* device). It can be a total power... |
7f6721b767e219343cfe9a894f5bd869ff5b9d3a | Analyze and fix the following issue in the Linux kernel code: drm/rockchip: vop2: Only wait for changed layer cfg done when there is pending cfgdone bits | Problem Details:
The write of cfgdone bits always done at .atomic_flush.
When userspace makes plane zpos changes of two crtc within one commit,
at the .atomic_begin stage, crtcN will never receive the "layer change
cfg done" event of crtcM because crtcM has not yet written "cfgdone".
So only wait when there is pending ... | ```diff
diff --git a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
index 855386a6a9f5..f3950e8476a7 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
@@ -2144,6 +2144,7 @@ static void rk3568_vop2_setup_layer_mixer(s... |
9fae82450d8a5f9c8fa016cd15186e975609b2ac | Analyze and fix the following issue in the Linux kernel code: drm/rockchip: vop2: Add delay between poll registers | Problem Details:
According to the implementation of read_poll_timeout_atomic, if the
delay time is 0, it will only use a simple loop based on timeout_us to
decrement the count. Therefore, the final timeout time will differ
significantly from the set timeout time. So, here we set a specific
delay time to ensure that the... | ```diff
diff --git a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
index cd8380f0eddc..855386a6a9f5 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
@@ -2104,7 +2104,7 @@ static void rk3568_vop2_wait_for_port_mux_d... |
6220694c52a5a04102b48109e4f24e958b559bd3 | Analyze and fix the following issue in the Linux kernel code: PCI/P2PDMA: Release per-CPU pgmap ref when vm_insert_page() fails | Problem Details:
When vm_insert_page() fails in p2pmem_alloc_mmap(), p2pmem_alloc_mmap()
doesn't invoke percpu_ref_put() to free the per-CPU ref of pgmap acquired
after gen_pool_alloc_owner(), and memunmap_pages() will hang forever when
trying to remove the PCI device.
Fix it by adding the missed percpu_ref_put().
Fi... | ```diff
diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
index 4a2fc7ab42c3..218c1f5252b6 100644
--- a/drivers/pci/p2pdma.c
+++ b/drivers/pci/p2pdma.c
@@ -152,6 +152,7 @@ static int p2pmem_alloc_mmap(struct file *filp, struct kobject *kobj,
ret = vm_insert_page(vma, vaddr, page);
if (ret) {
gen_pool_f... |
d08fda2cf2e68b4e0865f1bf0b49010db74da079 | Analyze and fix the following issue in the Linux kernel code: virtio_input: use virtqueue_add_inbuf_cache_clean for events | Problem Details:
The evts array contains 64 small (8-byte) input events that share
cachelines with each other. When CONFIG_DMA_API_DEBUG is enabled,
this can trigger warnings about overlapping DMA mappings within
the same cacheline.
Previous patch isolated the array in its own cachelines,
so the warnings are now spuri... | ```diff
diff --git a/drivers/virtio/virtio_input.c b/drivers/virtio/virtio_input.c
index 9f13de1f1d77..74df16677da8 100644
--- a/drivers/virtio/virtio_input.c
+++ b/drivers/virtio/virtio_input.c
@@ -30,7 +30,7 @@ static void virtinput_queue_evtbuf(struct virtio_input *vi,
struct scatterlist sg[1];
sg_init_one(sg,... |
bd2b617c49820a38cefcf512c6d56d30deb59aa9 | Analyze and fix the following issue in the Linux kernel code: virtio-rng: fix DMA alignment for data buffer | Problem Details:
The data buffer in struct virtrng_info is used for DMA_FROM_DEVICE via
virtqueue_add_inbuf() and shares cachelines with the adjacent
CPU-written fields (data_avail, data_idx).
The device writing to the DMA buffer and the CPU writing to adjacent
fields could corrupt each other's data on non-cache-coher... | ```diff
diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c
index dd998f4fe4f2..eb80a031c7be 100644
--- a/drivers/char/hw_random/virtio-rng.c
+++ b/drivers/char/hw_random/virtio-rng.c
@@ -11,6 +11,7 @@
#include <linux/spinlock.h>
#include <linux/virtio.h>
#include <linux/virtio_rng... |
2678369e8efe0c5ac71adb49fbc2c240a222e44d | Analyze and fix the following issue in the Linux kernel code: virtio_scsi: fix DMA cacheline issues for events | Problem Details:
Current struct virtio_scsi_event_node layout has two problems:
The event (DMA_FROM_DEVICE) and work (CPU-written via
INIT_WORK/queue_work) fields share a cacheline.
On non-cache-coherent platforms, CPU writes to work can
corrupt device-written event data.
If ARCH_DMA_MINALIGN is large enough, the 8 e... | ```diff
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 96a69edddbe5..6ff53fc8adb0 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -29,6 +29,7 @@
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_devinfo.h>
#include <linux/seqlock.h>
+#include <linux/dma-mapping.h>... |
95c7b0ad6c69d1c0608ff0bbd358a546856beaf3 | Analyze and fix the following issue in the Linux kernel code: virtio_input: fix DMA alignment for evts | Problem Details:
On non-cache-coherent platforms, when a structure contains a buffer
used for DMA alongside fields that the CPU writes to, cacheline sharing
can cause data corruption.
The evts array is used for DMA_FROM_DEVICE operations via
virtqueue_add_inbuf(). The adjacent lock and ready fields are written
by the ... | ```diff
diff --git a/drivers/virtio/virtio_input.c b/drivers/virtio/virtio_input.c
index d0728285b6ce..9f13de1f1d77 100644
--- a/drivers/virtio/virtio_input.c
+++ b/drivers/virtio/virtio_input.c
@@ -4,6 +4,7 @@
#include <linux/virtio_config.h>
#include <linux/input.h>
#include <linux/slab.h>
+#include <linux/dma-map... |
db191ba0c8564ff84877e5b1c9553e991feca239 | Analyze and fix the following issue in the Linux kernel code: vsock/virtio: use virtqueue_add_inbuf_cache_clean for events | Problem Details:
The event_list array contains 8 small (4-byte) events that share
cachelines with each other. When CONFIG_DMA_API_DEBUG is enabled,
this can trigger warnings about overlapping DMA mappings within
the same cacheline.
The previous patch isolated event_list in its own cache lines
so the warnings are spuri... | ```diff
diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index 3de2b2d49b51..999a0839726a 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -393,7 +393,7 @@ static int virtio_vsock_event_fill_one(struct virtio_vsock *vsock,
sg_init_one(&sg, event... |
63dfad0517f0418a5192024fad934be79c2f5902 | Analyze and fix the following issue in the Linux kernel code: vsock/virtio: fix DMA alignment for event_list | Problem Details:
On non-cache-coherent platforms, when a structure contains a buffer
used for DMA alongside fields that the CPU writes to, cacheline sharing
can cause data corruption.
The event_list array is used for DMA_FROM_DEVICE operations via
virtqueue_add_inbuf(). The adjacent event_run and guest_cid fields are
... | ```diff
diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index 8c867023a2e5..3de2b2d49b51 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -17,6 +17,7 @@
#include <linux/virtio_ids.h>
#include <linux/virtio_config.h>
#include <linux/virtio_vsock.... |
36f597bba049928004a050c132ab787ba0eba524 | Analyze and fix the following issue in the Linux kernel code: gpiolib: fix lookup table matching | Problem Details:
If on any iteration in gpiod_find(), gpio_desc_table_match() returns
NULL (which is normal and expected), we never reinitialize desc back to
ERR_PTR(-ENOENT) and if we don't find a match later on, we will return
NULL causing a NULL-pointer dereference in users not expecting it. Don't
initialize desc, b... | ```diff
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index c06152b16dbc..dcf427d3cf43 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -4602,8 +4602,8 @@ static struct gpio_desc *gpio_desc_table_match(struct device *dev, const char *c
static struct gpio_desc *gpiod_find(struct device... |
1ade6a4f7f09d5d6f6fc449e6bfa92b5e2d063c2 | Analyze and fix the following issue in the Linux kernel code: USB: core: Discard pm_runtime_put() return value | Problem Details:
To allow the return type of pm_runtime_put() to be changed to void in the
future, modify usb_autopm_put_interface_async() to discard the return
value of pm_runtime_put().
That value is merely used in a debug comment printed by the function in
question and it is not a particularly useful piece of infor... | ```diff
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index d29edc7c616a..2f5958bc4f7f 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -1810,13 +1810,11 @@ EXPORT_SYMBOL_GPL(usb_autopm_put_interface);
void usb_autopm_put_interface_async(struct usb_interface *intf)
{
st... |
d66676e6ca96bf8680f869a9bd6573b26c634622 | Analyze and fix the following issue in the Linux kernel code: wifi: libertas: fix WARNING in usb_tx_block | Problem Details:
The function usb_tx_block() submits cardp->tx_urb without ensuring that
any previous transmission on this URB has completed. If a second call
occurs while the URB is still active (e.g. during rapid firmware loading),
usb_submit_urb() detects the active state and triggers a warning:
'URB submitted while... | ```diff
diff --git a/drivers/net/wireless/marvell/libertas/if_usb.c b/drivers/net/wireless/marvell/libertas/if_usb.c
index b3c4040257a6..924ab93b7b67 100644
--- a/drivers/net/wireless/marvell/libertas/if_usb.c
+++ b/drivers/net/wireless/marvell/libertas/if_usb.c
@@ -426,6 +426,8 @@ static int usb_tx_block(struct if_usb... |
7bab5bdb81e33cd0bc0aa848931ff47940ad54b0 | Analyze and fix the following issue in the Linux kernel code: wifi: mwifiex: Allocate dev name earlier for interface workqueue name | Problem Details:
The interface specific workqueues are allocated with the interface name
as part of the workqueue name. However when they are allocated, the
interface name has not been allocated, thus the "name" is actually the
pattern for the name "mlan%d". This ends up pretty ugly and could
conflict if multiple inter... | ```diff
diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
index be23a29e7de0..a66d18e380fc 100644
--- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
@@ -3147,10 +3147,14 @@ struct wireless_dev *mwifiex_... |
a7a53f7482f96f88d6ab2064828f6f6bdb93c43e | Analyze and fix the following issue in the Linux kernel code: dt-bindings: vendor-prefixes: Add Ezurio LLC | Problem Details:
Ezurio is the new name of Laird Connectivity after it acquired Boundary
Devices.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Gary Bisson <bisson.gary@gmail.com>
Signed-off-by: Ange... | ```diff
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index c7591b2aec2a..26e6935e5115 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -555,6 +555,8 @@ patte... |
d594cc6f2c588810888df70c83a9654b6bc7942d | Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: restore non-chanctx injection behaviour | Problem Details:
During the transition to use channel contexts throughout, the
ability to do injection while in monitor mode concurrent with
another interface was lost, since the (virtual) monitor won't
have a chanctx assigned in this scenario.
It's harder to fix drivers that actually transitioned to using
channel con... | ```diff
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 9d8b0a25f73c..1b55e8340413 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2397,6 +2397,8 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
if (chanctx_conf)
chandef = &chanctx_conf->def;
+ else if (local->emulate_chanctx)... |
6f385937160174b31a5e4105e759406f0b128494 | Analyze and fix the following issue in the Linux kernel code: wifi: mac80211_hwsim: disable BHs for hwsim_radio_lock | Problem Details:
The hwsim_radio_lock spinlock expects bottom-half to be disabled, fix
the call in mac80211_hwsim_nan_stop to ensure BHs are disabled.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Link: https://patch.msgid.link/20260107143805.ce7406511608.I688f8b19346e94c1f8de0cdadde072054d4b861c@changeid
Sig... | ```diff
diff --git a/drivers/net/wireless/virtual/mac80211_hwsim.c b/drivers/net/wireless/virtual/mac80211_hwsim.c
index 92427f527286..79cc63272134 100644
--- a/drivers/net/wireless/virtual/mac80211_hwsim.c
+++ b/drivers/net/wireless/virtual/mac80211_hwsim.c
@@ -4112,14 +4112,14 @@ static int mac80211_hwsim_stop_nan(st... |
c0d82ba9612fb65a8394af639f1427dbe87fb788 | Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: don't iterate not running interfaces | Problem Details:
for_each_chanctx_user_* was introdcued as a replacement for
for_each_sdata_link, which visits also other chanctx users that are not
link.
for_each_sdata_link skips not running interfaces, do the same for
for_each_chanctx_user_*
Fixes: 1ce954c98b89 ("wifi: mac80211: add and use chanctx usage iteration"... | ```diff
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index d0bfb1216401..d8c5f11afc15 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -90,6 +90,9 @@ next_interface:
/* next (or first) interface */
iter->sdata = list_prepare_entry(iter->sdata, &local->interfaces, list);
list_for_each_entry_... |
333418872bfecf4843f1ded7a4151685dfcf07d5 | Analyze and fix the following issue in the Linux kernel code: wifi: mac80211_hwsim: fix typo in frequency notification | Problem Details:
The NAN notification is for 5745 MHz which corresponds to channel 149
and not 5475 which is not actually a valid channel. This could result in
a NULL pointer dereference in cfg80211_next_nan_dw_notif.
Fixes: a37a6f54439b ("wifi: mac80211_hwsim: Add simulation support for NAN device")
Signed-off-by: Be... | ```diff
diff --git a/drivers/net/wireless/virtual/mac80211_hwsim.c b/drivers/net/wireless/virtual/mac80211_hwsim.c
index 551f5eb4e747..92427f527286 100644
--- a/drivers/net/wireless/virtual/mac80211_hwsim.c
+++ b/drivers/net/wireless/virtual/mac80211_hwsim.c
@@ -4040,7 +4040,7 @@ mac80211_hwsim_nan_dw_start(struct hrti... |
21cbf883d073abbfe09e3924466aa5e0449e7261 | Analyze and fix the following issue in the Linux kernel code: wifi: avoid kernel-infoleak from struct iw_point | Problem Details:
struct iw_point has a 32bit hole on 64bit arches.
struct iw_point {
void __user *pointer; /* Pointer to the data (in user space) */
__u16 length; /* number of fields or size in bytes */
__u16 flags; /* Optional params */
};
Make sure to zero the structu... | ```diff
diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
index c32a7c6903d5..7b8e94214b07 100644
--- a/net/wireless/wext-core.c
+++ b/net/wireless/wext-core.c
@@ -1101,6 +1101,10 @@ static int compat_standard_call(struct net_device *dev,
return ioctl_standard_call(dev, iwr, cmd, info, handler);
i... |
815a8d2feb5615ae7f0b5befd206af0b0160614c | Analyze and fix the following issue in the Linux kernel code: powerpc/eeh: fix recursive pci_lock_rescan_remove locking in EEH event handling | Problem Details:
The recent commit 1010b4c012b0 ("powerpc/eeh: Make EEH driver device
hotplug safe") restructured the EEH driver to improve synchronization
with the PCI hotplug layer.
However, it inadvertently moved pci_lock_rescan_remove() outside its
intended scope in eeh_handle_normal_event(), leading to broken PCI... | ```diff
diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h
index 5e34611de9ef..b7ebb4ac2c71 100644
--- a/arch/powerpc/include/asm/eeh.h
+++ b/arch/powerpc/include/asm/eeh.h
@@ -289,6 +289,8 @@ void eeh_pe_dev_traverse(struct eeh_pe *root,
void eeh_pe_restore_bars(struct eeh_pe *pe);
const ch... |
c0215e2d72debcd9cbc1c002fb012d50a3140387 | Analyze and fix the following issue in the Linux kernel code: powerpc/pseries: Fix MSI-X allocation failure when quota is exceeded | Problem Details:
Nilay reported that since commit daaa574aba6f ("powerpc/pseries/msi: Switch
to msi_create_parent_irq_domain()"), the NVMe driver cannot enable MSI-X
when the device's MSI-X table size is larger than the firmware's MSI quota
for the device.
This is because the commit changes how rtas_prepare_msi_irqs()... | ```diff
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index a82aaa786e9e..edc30cda5dbc 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -19,6 +19,11 @@
#include "pseries.h"
+struct pseries_msi_device {
+ unsigned int msi_quot... |
4073ea516106e5f98ed0476f89cdede8baa98d37 | Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: Fix use_for flag update on BSS refresh | Problem Details:
Userspace may fail to connect to certain BSS that were initially
marked as unusable due to regulatory restrictions (use_for = 0,
e.g., 6 GHz power type mismatch). Even after these restrictions
are removed and the BSS becomes usable, connection attempts still
fail.
The issue occurs in cfg80211_update_k... | ```diff
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 7546647752fd..eb0e77813d46 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -1959,7 +1959,7 @@ cfg80211_update_known_bss(struct cfg80211_registered_device *rdev,
ether_addr_copy(known->parent_bssid, new->parent_bssid);
known->pub.max_... |
2e985cfac7e502dc2769b1730985635df7dc86be | Analyze and fix the following issue in the Linux kernel code: wifi: brcmfmac: rename function that frees vif | Problem Details:
Since the commit cf124db566e6 ("net: Fix inconsistent teardown and
release of private netdev state.") netdev isn't freed anymore in the
brcmf_cfg80211_free_netdev(). Adjust this function name to match what it
actually does (freeing vif).
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Arend ... | ```diff
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index bb96b87b2a6e..61f7e620cab3 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -9... |
4ea4a3d9a22b5429d979f3e3f9870afd97826b17 | Analyze and fix the following issue in the Linux kernel code: wifi: brcmfmac: fix/add kernel-doc comments | Problem Details:
Correct or add kernel-doc comments for:
- an enum name typo
- missing struct member comments in struct vif_saved_ie and
struct brcmf_cfg80211_vif
fixing these warnings:
Warning: drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h:195
Enum value 'BRCMF_VIF_STATUS_EAP_SUCCESS' not described i... | ```diff
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
index 273c80f2d483..8d7e2be15aca 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
@@ -1... |
50326b48f0cfbd9324668c5d2e08b39b59dc199f | Analyze and fix the following issue in the Linux kernel code: net: phy: realtek: fix whitespace in struct phy_driver initializers | Problem Details:
Consistently use tabs instead of spaces in struct phy_driver
initializers.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/42b0fac53c5c5646707ce3f3a6dacd2bc082a5b2.1767630451.git.daniel@makrotopia.org
Sig... | ```diff
diff --git a/drivers/net/phy/realtek/realtek_main.c b/drivers/net/phy/realtek/realtek_main.c
index 6ff0385201a5..e42c5efbfa5e 100644
--- a/drivers/net/phy/realtek/realtek_main.c
+++ b/drivers/net/phy/realtek/realtek_main.c
@@ -1976,7 +1976,7 @@ static irqreturn_t rtl8221b_handle_interrupt(struct phy_device *phy... |
6e62d1c6f2c7dba31db976e60ca0d6edf96cf8d5 | Analyze and fix the following issue in the Linux kernel code: efi: Wipe INITRD config table from memory after consumption | Problem Details:
When the EFI stub itself loads the initrd and puts it in memory (rather
than simply passing on a struct boot_params or device tree that already
carries initrd information), it exposes this information to the core
kernel via a INITRD configuration table.
Given that config tables are preserved across ke... | ```diff
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 55452e61af31..f5ff6e84a9b7 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -819,6 +819,7 @@ int __init efi_config_parse_tables(const efi_config_table_t *config_tables,
if (tbl) {
phys_initrd_start = tbl... |
be0b304eeb8c5f77e4f98f64e58729d879195f2f | Analyze and fix the following issue in the Linux kernel code: arm64: dts: mediatek: mt8183: Add missing endpoint IDs to display graph | Problem Details:
The endpoint IDs in the display graph are expected to match the
associated display path number, i.e. all endpoints connected to
mmsys_ep_main must have reg = <0> and all endpoints connected to
mmsys_ep_ext must have reg = <1>.
Add the missing ID to all endpoints in the display graph, based on
mt8365.d... | ```diff
diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 4e20a8f2eb25..95cc06799533 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -1812,15 +1812,23 @@
#size-cells = <0>;
port@0 {
+ #address-ce... |
44e4c88951fa9c73bfbde8269e443ea5343dd2af | Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Implement warm boot flow for NPU6 and unify boot handling | Problem Details:
Starting from NPU6, the driver can pass boot parameters address through
the AON retention register and toggle between cold/warm boot types using
the boot_type parameter, while setting the cold boot entry point in both
cases.
Refactor the existing cold/warm boot handling to be consistent with the
new N... | ```diff
diff --git a/drivers/accel/ivpu/ivpu_debugfs.c b/drivers/accel/ivpu/ivpu_debugfs.c
index 3bd85ee6c26b..a09f54fc4302 100644
--- a/drivers/accel/ivpu/ivpu_debugfs.c
+++ b/drivers/accel/ivpu/ivpu_debugfs.c
@@ -20,6 +20,7 @@
#include "ivpu_hw.h"
#include "ivpu_jsm_msg.h"
#include "ivpu_pm.h"
+#include "vpu_boot_... |
101bc85a19436825e8c94a27e792cd9750aad708 | Analyze and fix the following issue in the Linux kernel code: leds: lm3692x: Fix kernel-doc for struct lm3692x_led | Problem Details:
Building with W=1 reports several kernel-doc warnings in
drivers/leds/leds-lm3692x.c:
Warning: leds-lm3692x.c:122 struct member 'boost_ctrl'
not described in 'lm3692x_led'
Warning: leds-lm3692x.c:122 struct member 'brightness_ctrl'
not described in 'lm3692x_led'
Warning: leds-lm3692x.c:122 s... | ```diff
diff --git a/drivers/leds/leds-lm3692x.c b/drivers/leds/leds-lm3692x.c
index c319ff4d70b2..1d64ceb5ac85 100644
--- a/drivers/leds/leds-lm3692x.c
+++ b/drivers/leds/leds-lm3692x.c
@@ -104,6 +104,9 @@
* @regulator: LED supply regulator pointer
* @led_enable: LED sync to be enabled
* @model_id: Current devic... |
936cae9254e55a39aeaa0c156a764d22f319338b | Analyze and fix the following issue in the Linux kernel code: mei: late_bind: fix struct intel_lb_component_ops kernel-doc | Problem Details:
Fix kernel-doc warnings on struct intel_lb_component_ops:
Warning: include/drm/intel/intel_lb_mei_interface.h:55 Incorrect use of
kernel-doc format: * push_payload - Sends a payload to the
authentication firmware
And a bunch more. There isn't really support for documenting function
pointer struct... | ```diff
diff --git a/include/drm/intel/intel_lb_mei_interface.h b/include/drm/intel/intel_lb_mei_interface.h
index d65be2cba2ab..0850738a30fc 100644
--- a/include/drm/intel/intel_lb_mei_interface.h
+++ b/include/drm/intel/intel_lb_mei_interface.h
@@ -53,7 +53,8 @@ enum intel_lb_status {
*/
struct intel_lb_component_... |
6abcf751bc084804a9e5b3051442e8a2ce67f48a | Analyze and fix the following issue in the Linux kernel code: net: airoha: Fix schedule while atomic in airoha_ppe_deinit() | Problem Details:
airoha_ppe_deinit() runs airoha_npu_ppe_deinit() in atomic context.
airoha_npu_ppe_deinit routine allocates ppe_data buffer with GFP_KERNEL
flag. Rely on rcu_replace_pointer in airoha_ppe_deinit routine in order
to fix schedule while atomic issue in airoha_npu_ppe_deinit() since we
do not need atomic c... | ```diff
diff --git a/drivers/net/ethernet/airoha/airoha_ppe.c b/drivers/net/ethernet/airoha/airoha_ppe.c
index 0caabb0c3aa0..2221bafaf7c9 100644
--- a/drivers/net/ethernet/airoha/airoha_ppe.c
+++ b/drivers/net/ethernet/airoha/airoha_ppe.c
@@ -1547,13 +1547,16 @@ void airoha_ppe_deinit(struct airoha_eth *eth)
{
struc... |
4d26d4a158f37cb53b22a23b4dc6c4e5bfa1369e | Analyze and fix the following issue in the Linux kernel code: compiler-context-analysys: Fix CONFIG_MODVERSION | Problem Details:
The robot reported CONFIG_MODVERSION fails; which Nathan described as
so:
> Something about the context analysis makes genksyms fall over, running
> it manually on kernel/sched/core.i with '-w' to show warnings reveals
> many new "syntax error" instances. I don't see any warnings when using
> gendwarf... | ```diff
diff --git a/include/linux/compiler-context-analysis.h b/include/linux/compiler-context-analysis.h
index 4f7559d7ae91..e86b8a3c2f89 100644
--- a/include/linux/compiler-context-analysis.h
+++ b/include/linux/compiler-context-analysis.h
@@ -6,7 +6,7 @@
#ifndef _LINUX_COMPILER_CONTEXT_ANALYSIS_H
#define _LINUX_C... |
6259094ee806fb813ca95894c65fb80e2ec98bf1 | Analyze and fix the following issue in the Linux kernel code: soc: mediatek: svs: Fix memory leak in svs_enable_debug_write() | Problem Details:
In svs_enable_debug_write(), the buf allocated by memdup_user_nul()
is leaked if kstrtoint() fails.
Fix this by using __free(kfree) to automatically free buf, eliminating
the need for explicit kfree() calls and preventing leaks.
Fixes: 13f1bbcfb582 ("soc: mediatek: SVS: add debug commands")
Co-develo... | ```diff
diff --git a/drivers/soc/mediatek/mtk-svs.c b/drivers/soc/mediatek/mtk-svs.c
index f45537546553..99edecb204f2 100644
--- a/drivers/soc/mediatek/mtk-svs.c
+++ b/drivers/soc/mediatek/mtk-svs.c
@@ -9,6 +9,7 @@
#include <linux/bits.h>
#include <linux/clk.h>
#include <linux/completion.h>
+#include <linux/cleanup.... |
97e01439e902b743b8f89497e9c144e3ddda5e59 | Analyze and fix the following issue in the Linux kernel code: ata: ahci-xgene: Fix Wvoid-pointer-to-enum-cast warning | Problem Details:
"version" is an enum, thus cast of pointer on 64-bit compile test with
clang W=1 causes:
ahci_xgene.c:776:13: error: cast to smaller integer type 'enum xgene_ahci_version' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.... | ```diff
diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
index 6b8844646fcd..98c99b5a8242 100644
--- a/drivers/ata/ahci_xgene.c
+++ b/drivers/ata/ahci_xgene.c
@@ -773,7 +773,7 @@ static int xgene_ahci_probe(struct platform_device *pdev)
}
if (dev->of_node) {
- version = (enum xgene_ahci_version)o... |
4afc71c225130dab95ce15fcb385b5b500c02ed4 | Analyze and fix the following issue in the Linux kernel code: ata: ahci-imx: Fix Wvoid-pointer-to-enum-cast warning | Problem Details:
"imxpriv->type" is an enum, thus cast of pointer on 64-bit compile test
with clang W=1 causes:
ahci_imx.c:872:18: error: cast to smaller integer type 'enum ahci_imx_type' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.c... | ```diff
diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c
index 86aedd5923ac..3d26595524d3 100644
--- a/drivers/ata/ahci_imx.c
+++ b/drivers/ata/ahci_imx.c
@@ -869,7 +869,7 @@ static int imx_ahci_probe(struct platform_device *pdev)
imxpriv->ahci_pdev = pdev;
imxpriv->no_device = false;
imxpriv->first_t... |
94ad504e67cd3be94fa1b2fed0cb87da0d8f9396 | Analyze and fix the following issue in the Linux kernel code: ARM: dts: microchip: sama7d65: fix size-cells property for i2c3 | Problem Details:
Fix the #size-cells property for i2c3 node and remove the dtbs_check
error telling that "#size-cells: 0 was expected" from schema
atmel,at91sam-i2c.yaml and i2c-controller.yaml.
Fixes: b51e4aea3ecf ("ARM: dts: microchip: sama7d65: Add FLEXCOMs to sama7d65 SoC")
Cc: stable@vger.kernel.org # 6.16+
Signe... | ```diff
diff --git a/arch/arm/boot/dts/microchip/sama7d65.dtsi b/arch/arm/boot/dts/microchip/sama7d65.dtsi
index 5f3a7b178aa7..868045c650a7 100644
--- a/arch/arm/boot/dts/microchip/sama7d65.dtsi
+++ b/arch/arm/boot/dts/microchip/sama7d65.dtsi
@@ -527,7 +527,7 @@
interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
... |
aabc977aa472ccf756372ae594d890022c19c9c8 | Analyze and fix the following issue in the Linux kernel code: ARM: dts: microchip: sama7d65: fix the ranges property for flx9 | Problem Details:
Update the ranges property for the flexcom9 as per the datasheet and
align with the reg property.
Fixes: b51e4aea3ecf ("ARM: dts: microchip: sama7d65: Add FLEXCOMs to sama7d65 SoC")
Cc: stable@vger.kernel.org # 6.16+
Signed-off-by: Hari Prasath Gujulan Elango <hari.prasathge@microchip.com>
Signed-off-... | ```diff
diff --git a/arch/arm/boot/dts/microchip/sama7d65.dtsi b/arch/arm/boot/dts/microchip/sama7d65.dtsi
index cd2cf9a6f40b..5f3a7b178aa7 100644
--- a/arch/arm/boot/dts/microchip/sama7d65.dtsi
+++ b/arch/arm/boot/dts/microchip/sama7d65.dtsi
@@ -676,7 +676,7 @@
flx9: flexcom@e2820000 {
compatible = "microchip,s... |
47c27c9c9c720bc93fdc69605d0ecd9382e99047 | Analyze and fix the following issue in the Linux kernel code: ALSA: pcm: Improve the fix for race of buffer access at PCM OSS layer | Problem Details:
Handle the error code from snd_pcm_buffer_access_lock() in
snd_pcm_runtime_buffer_set_silence() function.
Found by Alexandros Panagiotou <apanagio@redhat.com>
Fixes: 93a81ca06577 ("ALSA: pcm: Fix race of buffer access at PCM OSS layer")
Cc: stable@vger.kernel.org # 6.15
Signed-off-by: Jaroslav Kysela... | ```diff
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 58fd6e84f961..a7860c047503 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -1402,7 +1402,7 @@ int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream, struct vm_area_s
#define snd_pcm_lib_mmap_iomem NULL
#endif
-void snd_pcm_r... |
70b8c45d8621c4d77b5659270e9a26ce7b1123cf | Analyze and fix the following issue in the Linux kernel code: arm: npcm: drop unused Kconfig ERRATA symbol | Problem Details:
The code for this errata was not merged. See
https://lore.kernel.org/linux-arm-kernel/CAL_JsqK--G_7nO_UQ6jyomA1Sq6GUKtXVZpBF0dXjYA2iE047w@mail.gmail.com/
Fixes: 7bffa14c9aed ("arm: npcm: add basic support for Nuvoton BMCs")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Jeff... | ```diff
diff --git a/arch/arm/mach-npcm/Kconfig b/arch/arm/mach-npcm/Kconfig
index 63b42a19d1b8..d933e8abb50f 100644
--- a/arch/arm/mach-npcm/Kconfig
+++ b/arch/arm/mach-npcm/Kconfig
@@ -30,7 +30,6 @@ config ARCH_NPCM7XX
select ARM_ERRATA_764369 if SMP
select ARM_ERRATA_720789
select ARM_ERRATA_754322
- select AR... |
71ed55143d9dba39b564d63d89411b07ef294c58 | Analyze and fix the following issue in the Linux kernel code: Input: twl4030 - fix warnings without CONFIG_OF | Problem Details:
There are unused variables without CONFIG_OF:
drivers/input/misc/twl4030-pwrbutton.c:41:44: error: unused variable 'twl4030_chipdata' [-Werror,-Wunused-const-variable]
41 | static const struct twl_pwrbutton_chipdata twl4030_chipdata = {
| ^~~~~~~~~~~~... | ```diff
diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c
index d82a3fb28d95..b0feef19515d 100644
--- a/drivers/input/misc/twl4030-pwrbutton.c
+++ b/drivers/input/misc/twl4030-pwrbutton.c
@@ -27,7 +27,8 @@
#include <linux/errno.h>
#include <linux/input.h>
#include <linux/in... |
10dd1eaa80a56d3cf6d7c36b5269c8fed617f001 | Analyze and fix the following issue in the Linux kernel code: drm/pagemap: Disable device-to-device migration | Problem Details:
Device-to-device migration is causing xe_exec_system_allocator --r
*race*no* to intermittently fail with engine resets and a kernel hang on
a page lock. This should work but is clearly buggy somewhere. Disable
device-to-device migration in the interim until the issue can be
root-caused.
The only downs... | ```diff
diff --git a/drivers/gpu/drm/drm_pagemap.c b/drivers/gpu/drm/drm_pagemap.c
index aa43a8475100..03ee39a761a4 100644
--- a/drivers/gpu/drm/drm_pagemap.c
+++ b/drivers/gpu/drm/drm_pagemap.c
@@ -480,8 +480,18 @@ int drm_pagemap_migrate_to_devmem(struct drm_pagemap_devmem *devmem_allocation,
.start = start,
.... |
3902846af36beca676735540470a115b3d637263 | Analyze and fix the following issue in the Linux kernel code: drm/pagemap Fix error paths in drm_pagemap_migrate_to_devmem | Problem Details:
Avoid unlocking and putting device pages unless they were successfully
locked, and do not calculate migrated_pages on error paths.
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Fixes: 75af93b3f5d0 ("drm/pagemap, drm/xe: Support destination migration over interconnect")
Signed-off-by: Matthew... | ```diff
diff --git a/drivers/gpu/drm/drm_pagemap.c b/drivers/gpu/drm/drm_pagemap.c
index ba099aa7c52f..aa43a8475100 100644
--- a/drivers/gpu/drm/drm_pagemap.c
+++ b/drivers/gpu/drm/drm_pagemap.c
@@ -582,7 +582,7 @@ int drm_pagemap_migrate_to_devmem(struct drm_pagemap_devmem *devmem_allocation,
err = ops->populate_d... |
cc54eabdfbf0c5b6638edc50002cfafac1f1e18b | Analyze and fix the following issue in the Linux kernel code: drm/xe: Adjust page count tracepoints in shrinker | Problem Details:
Page accounting can change via the shrinker without calling
xe_ttm_tt_unpopulate(), which normally updates page count tracepoints
through update_global_total_pages. Add a call to
update_global_total_pages when the shrinker successfully shrinks a BO.
v2:
- Don't adjust global accounting when pinning (... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c
index 8b6474cd3eaf..6ab52fa397e3 100644
--- a/drivers/gpu/drm/xe/xe_bo.c
+++ b/drivers/gpu/drm/xe/xe_bo.c
@@ -1054,6 +1054,7 @@ static long xe_bo_shrink_purge(struct ttm_operation_ctx *ctx,
unsigned long *scanned)
{
struct xe_dev... |
9df5fad801c5c568ee5f5dacd8b53565d88e4f02 | Analyze and fix the following issue in the Linux kernel code: bpf: Reject BPF_MAP_TYPE_INSN_ARRAY in check_reg_const_str() | Problem Details:
BPF_MAP_TYPE_INSN_ARRAY maps store instruction pointers in their
ips array, not string data. The map_direct_value_addr callback for
this map type returns the address of the ips array, which is not
suitable for use as a constant string argument.
When a BPF program passes a pointer to an insn_array map ... | ```diff
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index f0ca69f888fa..3135643d5695 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -9609,6 +9609,11 @@ static int check_reg_const_str(struct bpf_verifier_env *env,
if (reg->type != PTR_TO_MAP_VALUE)
return -EINVAL;
+ if (map->map_... |
c7fabe4ad9219866c203164a214c474c95b36bf2 | Analyze and fix the following issue in the Linux kernel code: HID: quirks: work around VID/PID conflict for appledisplay | Problem Details:
For years I wondered why the Apple Cinema Display driver would not
just work for me. Turns out the hidraw driver instantly takes it
over. Fix by adding appledisplay VID/PIDs to hid_have_special_driver.
Fixes: 069e8a65cd79 ("Driver for Apple Cinema Display")
Signed-off-by: René Rebe <rene@exactco.de>
S... | ```diff
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index d6e42125d918..31b2a5d1cd98 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -233,6 +233,15 @@ static const struct hid_device_id hid_quirks[] = {
* used as a driver. See hid_scan_report().
*/
static const struct hi... |
85a866809333cd2bf8ddac93d9a3e3ba8e4f807d | Analyze and fix the following issue in the Linux kernel code: HID: Apply quirk HID_QUIRK_ALWAYS_POLL to Edifier QR30 (2d99:a101) | Problem Details:
The USB speaker has a bug that causes it to reboot when changing the
brightness using the physical knob.
Add a new vendor and product ID entry in hid-ids.h, and register
the corresponding device in hid-quirks.c with the required quirk.
Signed-off-by: Rodrigo Lugathe da Conceição Alves <lugathe2@gmail... | ```diff
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index e8a1a86313b7..10cb1bc717c1 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -439,6 +439,9 @@
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001 0xa001
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002 0xc002
+#define USB_VENDOR... |
6b2989ac5e8c496c1814d7961bee6f2d05382b3e | Analyze and fix the following issue in the Linux kernel code: Reapply "Revert "drm/amd: Skip power ungate during suspend for VPE"" | Problem Details:
Skipping power ungate exposed some scenarios that will fail
like below:
```
amdgpu: Register(0) [regVPEC_QUEUE_RESET_REQ] failed to reach value 0x00000000 != 0x00000001n
amdgpu 0000:c1:00.0: amdgpu: VPE queue reset failed
...
amdgpu: [drm] *ERROR* wait_for_completion_timeout timeout!
```
The underlyi... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 25f49be4d0bd..d5c44bd34d45 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3445,11 +3445,10 @@ int amdgpu_device_set_pg_state(struct amdgpu_devi... |
5ac66ed8417fa43f64edbabc5fbac18d2bca9437 | Analyze and fix the following issue in the Linux kernel code: iommu/arm-smmu-v3: Remove IAS | Problem Details:
The driver only supports AArch64 page tables where OAS == IAS.
Remove the extra IAS tracking for AArch32 as this feature was
never implemented and that was creating BAD_STEs for SMMUv3
with stage-2 and OAS < 40.
Further discussion on this in:
https://lore.kernel.org/linux-iommu/20251130194506.593700-... | ```diff
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index 7a6aea3b61c1..62bdc4d39101 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -2562,7 +2562,7 @@ static int arm_smmu_domain_finalise(struct arm_... |
b0d7f5f0c9f05f1b6d4ee7110f15bef9c11f9df0 | Analyze and fix the following issue in the Linux kernel code: riscv: trace: fix snapshot deadlock with sbi ecall | Problem Details:
If sbi_ecall.c's functions are traceable,
echo "__sbi_ecall:snapshot" > /sys/kernel/tracing/set_ftrace_filter
may get the kernel into a deadlock.
(Functions in sbi_ecall.c are excluded from tracing if
CONFIG_RISCV_ALTERNATIVE_EARLY is set.)
__sbi_ecall triggers a snapshot of the ringbuffer. The sna... | ```diff
diff --git a/arch/riscv/kernel/Makefile b/arch/riscv/kernel/Makefile
index f60fce69b725..a01f6439d62b 100644
--- a/arch/riscv/kernel/Makefile
+++ b/arch/riscv/kernel/Makefile
@@ -3,12 +3,6 @@
# Makefile for the RISC-V Linux kernel
#
-ifdef CONFIG_FTRACE
-CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
-CFLAGS_R... |
bdb32359eab94013e80cf7e3d40a3fd4972da93a | Analyze and fix the following issue in the Linux kernel code: sparc/PCI: Correct 64-bit non-pref -> pref BAR resources | Problem Details:
SPARC T5-2 dts describes some PCI BARs as 64-bit resources without the
pref(etchable) bit (0x83... vs 0xc3... in assigned-addresses) for address
ranges above the 4G threshold. Such resources cannot be placed into a
non-prefetchable PCI bridge window that is capable only of 32-bit
addressing. As such, i... | ```diff
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index a9448088e762..b290107170e9 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -181,6 +181,28 @@ static int __init ofpci_debug(char *str)
__setup("ofpci_debug=", ofpci_debug);
+static void of_fixup_pci_pref(struct pci_de... |
1d1fd188691242fe4a66f7aca91f39a42425d3e8 | Analyze and fix the following issue in the Linux kernel code: Kconfig.ubsan: Remove CONFIG_UBSAN_REPORT_FULL from documentation | Problem Details:
There is no indication in the history that such an option was merged to
mainline.
Fixes: c637693b20da ("ubsan: remove UBSAN_MISC in favor of individual options")
Signed-off-by: Stefan Wiehler <stefan.wiehler@nokia.com>
Link: https://patch.msgid.link/20260107114833.2030995-1-stefan.wiehler@nokia.com
Si... | ```diff
diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan
index 744121178815..1ecaae7064d2 100644
--- a/lib/Kconfig.ubsan
+++ b/lib/Kconfig.ubsan
@@ -104,7 +104,7 @@ config UBSAN_DIV_ZERO
This option enables -fsanitize=integer-divide-by-zero which checks
for integer division by zero. This is effectively redund... |
2ca5bb54bde739b32ed42758fff8dc1025c1225f | Analyze and fix the following issue in the Linux kernel code: riscv: cpu_ops_sbi: smp_processor_id() returns int, not unsigned int | Problem Details:
The print in sbi_cpu_stop() assumes smp_processor_id() returns an
unsigned int, when it is actually an int. Fix the format string to
avoid mismatch type warnings in rht pr_crit().
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Link: https://patch.msgid.link/20260102145839.657864-1-ben.dooks@code... | ```diff
diff --git a/arch/riscv/kernel/cpu_ops_sbi.c b/arch/riscv/kernel/cpu_ops_sbi.c
index 87d655944803..00aff669f5f2 100644
--- a/arch/riscv/kernel/cpu_ops_sbi.c
+++ b/arch/riscv/kernel/cpu_ops_sbi.c
@@ -85,7 +85,7 @@ static void sbi_cpu_stop(void)
int ret;
ret = sbi_hsm_hart_stop();
- pr_crit("Unable to stop ... |
1e2ed4bfd50ace3c4272cfab7e9aa90956fb7ae0 | Analyze and fix the following issue in the Linux kernel code: trace: ftrace_dump_on_oops[] is not exported, make it static | Problem Details:
The ftrace_dump_on_oops string is not used outside of trace.c so
make it static to avoid the export warning from sparse:
kernel/trace/trace.c:141:6: warning: symbol 'ftrace_dump_on_oops' was not declared. Should it be static?
Fixes: dd293df6395a2 ("tracing: Move trace sysctls into trace.c")
Link: htt... | ```diff
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index aef9058537d5..baec63134ab6 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -138,7 +138,7 @@ cpumask_var_t __read_mostly tracing_buffer_mask;
* by commas.
*/
/* Set to string format zero to disable by default */
-char ftrace_dump... |
5f1ef0dfcb5b7f4a91a9b0e0ba533efd9f7e2cdb | Analyze and fix the following issue in the Linux kernel code: tracing: Add recursion protection in kernel stack trace recording | Problem Details:
A bug was reported about an infinite recursion caused by tracing the rcu
events with the kernel stack trace trigger enabled. The stack trace code
called back into RCU which then called the stack trace again.
Expand the ftrace recursion protection to add a set of bits to protect
events from recursion. ... | ```diff
diff --git a/include/linux/trace_recursion.h b/include/linux/trace_recursion.h
index ae04054a1be3..e6ca052b2a85 100644
--- a/include/linux/trace_recursion.h
+++ b/include/linux/trace_recursion.h
@@ -34,6 +34,13 @@ enum {
TRACE_INTERNAL_SIRQ_BIT,
TRACE_INTERNAL_TRANSITION_BIT,
+ /* Internal event use recur... |
5232196ff49be08350b27f1ba8e1fad87afc9cdf | Analyze and fix the following issue in the Linux kernel code: ftrace: Make ftrace_graph_ent depth field signed | Problem Details:
The code has integrity checks to make sure that depth never goes below
zero. But the depth field has recently been converted to unsigned long
from "int" (for alignment reasons). As unsigned long can never be less
than zero, the integrity checks no longer work.
Convert depth to long from unsigned long ... | ```diff
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 770f0dc993cc..a3a8989e3268 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -1167,7 +1167,7 @@ static inline void ftrace_init(void) { }
*/
struct ftrace_graph_ent {
unsigned long func; /* Current function */
- unsigned lo... |
003c03a4b40085784d5b661133d1124f7e587e02 | Analyze and fix the following issue in the Linux kernel code: riscv: configs: Clean up references to non-existing configs | Problem Details:
- Drop 'CONFIG_I2C_COMPAT is not set' (removed in commit 7e722083fcc3
("i2c: Remove I2C_COMPAT config symbol and related code"))
- Drop 'CONFIG_SCHED_DEBUG is not set' (removed in commit b52173065e0a
("sched/debug: Remove CONFIG_SCHED_DEBUG"))
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@redh... | ```diff
diff --git a/arch/riscv/configs/nommu_k210_defconfig b/arch/riscv/configs/nommu_k210_defconfig
index ee18d1e333f2..544c52067dc2 100644
--- a/arch/riscv/configs/nommu_k210_defconfig
+++ b/arch/riscv/configs/nommu_k210_defconfig
@@ -55,7 +55,6 @@ CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_HW_RANDOM is not set
# CONFIG_DE... |
0da7824734d8d83e6a844dd0207f071cb0c50cf4 | Analyze and fix the following issue in the Linux kernel code: soc: qcom: cmd-db: Use devm_memremap() to fix memory leak in cmd_db_dev_probe | Problem Details:
If cmd_db_magic_matches() fails after memremap() succeeds, the function
returns -EINVAL without unmapping the memory region, causing a
potential resource leak.
Switch to devm_memremap to automatically manage the map resource.
Fixes: 312416d9171a ("drivers: qcom: add command DB driver")
Suggested-by: ... | ```diff
diff --git a/drivers/soc/qcom/cmd-db.c b/drivers/soc/qcom/cmd-db.c
index ae66c2623d25..84a75d8c4b70 100644
--- a/drivers/soc/qcom/cmd-db.c
+++ b/drivers/soc/qcom/cmd-db.c
@@ -349,15 +349,16 @@ static int cmd_db_dev_probe(struct platform_device *pdev)
return -EINVAL;
}
- cmd_db_header = memremap(rmem->bas... |
2497ff38c530b1af0df5130ca9f5ab22c5e92f29 | Analyze and fix the following issue in the Linux kernel code: HID: i2c-hid: fix potential buffer overflow in i2c_hid_get_report() | Problem Details:
`i2c_hid_xfer` is used to read `recv_len + sizeof(__le16)` bytes of data
into `ihid->rawbuf`.
The former can come from the userspace in the hidraw driver and is only
bounded by HID_MAX_BUFFER_SIZE(16384) by default (unless we also set
`max_buffer_size` field of `struct hid_ll_driver` which we do not).... | ```diff
diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c
index 63f46a2e5788..5a183af3d5c6 100644
--- a/drivers/hid/i2c-hid/i2c-hid-core.c
+++ b/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -286,6 +286,7 @@ static int i2c_hid_get_report(struct i2c_hid *ihid,
* In addition to report data d... |
3ea3b7891b21ce079cfc60dfd476ba59ee625a2b | Analyze and fix the following issue in the Linux kernel code: drm/vmwgfx: Fix kernel-doc warnings for vmwgfx_fence | Problem Details:
Add missing descriptions for vmw_event_fence_action_seq_passed.
This fixes the following warnings:
drivers/gpu/drm/vmwgfx/vmwgfx_fence.c:526 function parameter 'f'
not described in 'vmw_event_fence_action_seq_passed'
drivers/gpu/drm/vmwgfx/vmwgfx_fence.c:526 function parameter 'cb'
not described in ... | ```diff
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
index 00be92da5509..85795082fef9 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
@@ -515,12 +515,12 @@ int vmw_fence_obj_unref_ioctl(struct drm_device *dev, void *data,
/**
... |
60699ab7cbf0a4eb19929cce243002b39c67917d | Analyze and fix the following issue in the Linux kernel code: NFS/localio: Deal with page bases that are > PAGE_SIZE | Problem Details:
When resending requests, etc, the page base can quickly grow larger than
the page size.
Fixes: 091bdcfcece0 ("nfs/localio: refactor iocb and iov_iter_bvec initialization")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: Mike Snitzer <snitzer@kernel.org> | ```diff
diff --git a/fs/nfs/localio.c b/fs/nfs/localio.c
index c884245e8fb8..41fbcb3f9167 100644
--- a/fs/nfs/localio.c
+++ b/fs/nfs/localio.c
@@ -461,6 +461,8 @@ nfs_local_iters_init(struct nfs_local_kiocb *iocb, int rw)
v = 0;
total = hdr->args.count;
base = hdr->args.pgbase;
+ pagevec += base >> PAGE_SHIFT;
+ ... |
001945a777ec4de8610f646397a054c62d272c2d | Analyze and fix the following issue in the Linux kernel code: NFS/localio: Stop further I/O upon hitting an error | Problem Details:
If the call into the filesystem results in an I/O error, then the next
chunk of data won't be contiguous with the end of the last successful
chunk. So break out of the I/O loop and report the results.
Currently the localio code will do this for a short read/write, but not
for an error.
Fixes: 6a218b9c... | ```diff
diff --git a/fs/nfs/localio.c b/fs/nfs/localio.c
index a113bfdacfd6..c884245e8fb8 100644
--- a/fs/nfs/localio.c
+++ b/fs/nfs/localio.c
@@ -618,7 +618,6 @@ static void nfs_local_call_read(struct work_struct *work)
struct nfs_local_kiocb *iocb =
container_of(work, struct nfs_local_kiocb, work);
struct file... |
df56ddd057424d21483bd0bee4da3632706d6606 | Analyze and fix the following issue in the Linux kernel code: NFSv4.x: Directory delegations don't require any state recovery | Problem Details:
The state recovery code in nfs_end_delegation_return() is intended to
allow regular files to recover cached open and lock state. It has no
function for directory delegations, and may cause corruption.
Fixes: 156b09482933 ("NFS: Request a directory delegation on ACCESS, CREATE, and UNLINK")
Signed-off-... | ```diff
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 2248e3ad089a..c9fa4c1f68fc 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -581,6 +581,10 @@ static int nfs_end_delegation_return(struct inode *inode, struct nfs_delegation
if (delegation == NULL)
return 0;
+ /* Directory delegati... |
7c0c19c076ffe84b8bcd5f927eb47452837f2c99 | Analyze and fix the following issue in the Linux kernel code: drm/xe: Validate preferred system memory placement in xe_svm_range_validate | Problem Details:
Ensure preferred system memory placement is checked in
xe_svm_range_validate when dpagemap is NULL. Without this check, a
prefetch to system memory may become a no-op because device memory is
considered a valid placement.
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Fixes: 238dbc9d9f4a ("dr... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_svm.c b/drivers/gpu/drm/xe/xe_svm.c
index fa2ee2c08f31..213f0334518a 100644
--- a/drivers/gpu/drm/xe/xe_svm.c
+++ b/drivers/gpu/drm/xe/xe_svm.c
@@ -988,6 +988,8 @@ bool xe_svm_range_validate(struct xe_vm *vm,
ret = (range->tile_present & ~range->tile_invalidated & tile_mask)... |
043fc9e961ef088aafc0f545c1efd8620d616c9f | Analyze and fix the following issue in the Linux kernel code: drm/i915/selftest: Add throttle reason diagnostics to RPS selftests | Problem Details:
Report GPU throttle reasons when RPS tests fail to reach expected
frequencies or power levels.
v2: Read the throttle value before the spinner ends (Raag)
Add a condition before printing throttle value (Krzysztof)
v3: Extend throttle reasons debug support (Raag)
v4: Cosmetic changes (Raag)
Signed-... | ```diff
diff --git a/drivers/gpu/drm/i915/gt/selftest_rps.c b/drivers/gpu/drm/i915/gt/selftest_rps.c
index 73bc91c6ea07..be77fba2ec49 100644
--- a/drivers/gpu/drm/i915/gt/selftest_rps.c
+++ b/drivers/gpu/drm/i915/gt/selftest_rps.c
@@ -378,6 +378,7 @@ int live_rps_control(void *arg)
enum intel_engine_id id;
struct i... |
bf72b4b7bb7dbb643d204fa41e7463894a95999f | Analyze and fix the following issue in the Linux kernel code: drm/vmwgfx: Fix an error return check in vmw_compat_shader_add() | Problem Details:
In vmw_compat_shader_add(), the return value check of vmw_shader_alloc()
is not proper. Modify the check for the return pointer 'res'.
Found by code review and compiled on ubuntu 20.04.
Fixes: 18e4a4669c50 ("drm/vmwgfx: Fix compat shader namespace")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang ... | ```diff
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
index 69dfe69ce0f8..a8c8c9375d29 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
@@ -923,8 +923,10 @@ int vmw_compat_shader_add(struct vmw_private *dev_priv,
ttm_bo_unr... |
5336444472700244147b04601235ca8b7fd1ec16 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: marvell: Fix stray and typo "pinctrl-names" properties | Problem Details:
There's several cases of "pinctrl-names" used without any "pinctrl-0"
properties. Drop them.
Fix the typo "pintrl-names" as well.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> | ```diff
diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin-ultra.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-ultra.dts
index e82284888b9a..0ab33aa928e7 100644
--- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin-ultra.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-ultra.d... |
37a0cff4551c14aca4cfa6ef3f2f0e0f61d66825 | Analyze and fix the following issue in the Linux kernel code: drm/vmwgfx: Merge vmw_bo_release and vmw_bo_free functions | Problem Details:
Some of the warnings need to be reordered between these two functions
in order to be correct. This has happened multiple times.
Merging them solves this problem once and for all.
Fixes: d6667f0ddf46 ("drm/vmwgfx: Fix handling of dumb buffers")
Signed-off-by: Ian Forbes <ian.forbes@broadcom.com>
Signed... | ```diff
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
index f031a312c783..b22887e8c881 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
@@ -32,9 +32,15 @@
#include <drm/ttm/ttm_placement.h>
-static void vmw_bo_release(struct vmw_bo *vbo... |
d9186faeae6efb7d0841a5e8eb213ff4c7966614 | Analyze and fix the following issue in the Linux kernel code: drm/vmwgfx: Fix KMS with 3D on HW version 10 | Problem Details:
HW version 10 does not have GB Surfaces so there is no backing buffer for
surface backed FBs. This would result in a nullptr dereference and crash
the driver causing a black screen.
Fixes: 965544150d1c ("drm/vmwgfx: Refactor cursor handling")
Signed-off-by: Ian Forbes <ian.forbes@broadcom.com>
Reviewe... | ```diff
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index d32ce1cb579e..bc51b5d55e38 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -766,13 +766,15 @@ err_out:
return ERR_PTR(ret);
}
- ttm_bo_reserve(&bo->tbo, false, false,... |
2740ac33c87b3d0dfa022efd6ba04c6261b1abbd | Analyze and fix the following issue in the Linux kernel code: usb: core: add USB_QUIRK_NO_BOS for devices that hang on BOS descriptor | Problem Details:
Add USB_QUIRK_NO_BOS quirk flag to skip requesting the BOS descriptor
for devices that cannot handle it.
Add Elgato 4K X (0fd9:009b) to the quirk table. This device hangs when
the BOS descriptor is requested at SuperSpeed Plus (10Gbps).
Link: https://bugzilla.kernel.org/show_bug.cgi?id=220027
Cc: sta... | ```diff
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index baf5bc844b6f..2bb1ceb9d621 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -1040,6 +1040,11 @@ int usb_get_bos_descriptor(struct usb_device *dev)
__u8 cap_type;
int ret;
+ if (dev->quirks & USB_QUIRK_NO_BOS)... |
04c4dc1f541135708d90a9b4632af51136f93ac3 | Analyze and fix the following issue in the Linux kernel code: clk: qcom: gcc-ipq5018: flag sleep clock as critical | Problem Details:
The sleep clock never be disabled. To avoid the kernel trying to disable
it and keep it always on, flag it as critical.
Fixes: e3fdbef1bab8 ("clk: qcom: Add Global Clock controller (GCC) driver for IPQ5018")
Signed-off-by: George Moussalem <george.moussalem@outlook.com>
Reviewed-by: Konrad Dybcio <kon... | ```diff
diff --git a/drivers/clk/qcom/gcc-ipq5018.c b/drivers/clk/qcom/gcc-ipq5018.c
index dcda2be8c1a5..64792cda0620 100644
--- a/drivers/clk/qcom/gcc-ipq5018.c
+++ b/drivers/clk/qcom/gcc-ipq5018.c
@@ -1340,6 +1340,7 @@ static struct clk_branch gcc_sleep_clk_src = {
.name = "gcc_sleep_clk_src",
.parent_data = ... |
e4eb42f290aecac0ba355b1f8d7243be6de11f32 | Analyze and fix the following issue in the Linux kernel code: clk: qcom: gcc-msm8917: Remove ALWAYS_ON flag from cpp_gdsc | Problem Details:
cpp_gdsc should not be always on, ALWAYS_ON flag was set accidentally.
Fixes: 33cc27a47d3a ("clk: qcom: Add global clock controller driver for MSM8917")
Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel... | ```diff
diff --git a/drivers/clk/qcom/gcc-msm8917.c b/drivers/clk/qcom/gcc-msm8917.c
index 07a796f94911..2f561a950bc2 100644
--- a/drivers/clk/qcom/gcc-msm8917.c
+++ b/drivers/clk/qcom/gcc-msm8917.c
@@ -3464,7 +3464,6 @@ static struct gdsc cpp_gdsc = {
.pd = {
.name = "cpp_gdsc",
},
- .flags = ALWAYS_ON,
.pwrs... |
5f613e7034187179a9d088ff5fd02b1089d0cf20 | Analyze and fix the following issue in the Linux kernel code: clk: qcom: gcc-msm8953: Remove ALWAYS_ON flag from cpp_gdsc | Problem Details:
cpp_gdsc should not be always on, ALWAYS_ON flag was set accidentally.
Fixes: 9bb6cfc3c77e ("clk: qcom: Add Global Clock Controller driver for MSM8953")
Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel... | ```diff
diff --git a/drivers/clk/qcom/gcc-msm8953.c b/drivers/clk/qcom/gcc-msm8953.c
index 8f29ecc74c50..8fe1d3e42144 100644
--- a/drivers/clk/qcom/gcc-msm8953.c
+++ b/drivers/clk/qcom/gcc-msm8953.c
@@ -3946,7 +3946,6 @@ static struct gdsc cpp_gdsc = {
.pd = {
.name = "cpp_gdsc",
},
- .flags = ALWAYS_ON,
.pwrs... |
1d32389dc52f6e0305228988243b61cbe687414d | Analyze and fix the following issue in the Linux kernel code: dt-bindings: usb: qcom,dwc3: Correct MSM8994 interrupts | Problem Details:
According to the reference manual, MSM8994 does have QUSB2 PHY and does
not have DP/DM IRQs interrupts. It is also logical it has the same
constraints as similar device: MSM8996.
This fixes dtbs_check warnings like:
msm8994-sony-xperia-kitakami-karin.dtb: usb@f92f8800 (qcom,msm8994-dwc3): interrup... | ```diff
diff --git a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
index 809280b09143..a7f58114c02e 100644
--- a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
@@ -427,6 +427,7 @@ allOf:
... |
db0635a30462f6dbdc7284a712f65ec5345a0caa | Analyze and fix the following issue in the Linux kernel code: dt-bindings: usb: qcom,dwc3: Correct IPQ5018 interrupts | Problem Details:
According to reference manual, IPQ5018 does not have QUSB2 PHY and its
interrupts should rather match ones used in IPQ5332 (so power_event,
eud_dmse_int_mx, eud_dpse_int_mx).
Fixes: 53c6d854be4e ("dt-bindings: usb: dwc3: Clean up hs_phy_irq in binding")
Fixes: 6e762f7b8edc ("dt-bindings: usb: Introduc... | ```diff
diff --git a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
index a792434c59db..809280b09143 100644
--- a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
@@ -406,7 +406,6 @@ allOf:
... |
1366cd228b0c67b60a2c0c26ef37fe9f7cfedb7f | Analyze and fix the following issue in the Linux kernel code: tcpm: allow looking for role_sw device in the main node | Problem Details:
If ports are defined in the tcpc main node, fwnode_usb_role_switch_get()
returns an error, meaning usb_role_switch_get() (which would succeed)
never gets a chance to run as port->role_sw isn't NULL, causing a
regression on devices where this is the case.
Fix this by turning the NULL check into IS_ERR_... | ```diff
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 4ca2746ce16b..be49a976428f 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -7890,7 +7890,7 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc)
port->partner_desc.id... |
56a512a9b4107079f68701e7d55da8507eb963d9 | Analyze and fix the following issue in the Linux kernel code: usb: gadget: f_ncm: align net_device lifecycle with bind/unbind | Problem Details:
Currently, the net_device is allocated in ncm_alloc_inst() and freed in
ncm_free_inst(). This ties the network interface's lifetime to the
configuration instance rather than the USB connection (bind/unbind).
This decoupling causes issues when the USB gadget is disconnected where
the underlying gadget ... | ```diff
diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c
index 0e38330271d5..e23adc132f88 100644
--- a/drivers/usb/gadget/function/f_ncm.c
+++ b/drivers/usb/gadget/function/f_ncm.c
@@ -83,6 +83,11 @@ static inline struct f_ncm *func_to_ncm(struct usb_function *f)
return container... |
c5177144b561dd4037a6a225d444b3604afbfbf2 | Analyze and fix the following issue in the Linux kernel code: usb: typec: ucsi: drop an unused Kconfig symbol | Problem Details:
EXTCON_TCSS_CROS_EC isn't used anywhere else in the kernel tree,
so drop it from this Kconfig file.
(unless it should be EXTCON_USBC_CROS_EC ?)
Fixes: f1a2241778d9 ("usb: typec: ucsi: Implement ChromeOS UCSI driver")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Abhishek Pandit-Sub... | ```diff
diff --git a/drivers/usb/typec/ucsi/Kconfig b/drivers/usb/typec/ucsi/Kconfig
index b812be4d0e67..87dd992a4b9e 100644
--- a/drivers/usb/typec/ucsi/Kconfig
+++ b/drivers/usb/typec/ucsi/Kconfig
@@ -73,7 +73,6 @@ config CROS_EC_UCSI
tristate "UCSI Driver for ChromeOS EC"
depends on MFD_CROS_EC_DEV
depends on ... |
065a923dd5837ff7dc87419c5755e26d5b111f3a | Analyze and fix the following issue in the Linux kernel code: USB: typec: tcpm: Fix a typo | Problem Details:
There should be a space between the two words: Responder and supports.
Signed-off-by: Andy Yan <andyshrk@163.com>
Link: https://patch.msgid.link/20251229011624.146700-1-andyshrk@163.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | ```diff
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 4ca2746ce16b..6acb69a158fb 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -1808,7 +1808,7 @@ static bool svdm_consume_svids(struct tcpm_port *port, const u32 *p, int cnt,
/*
* PD3.0 Spec 6.4.... |
d5639a6d72810023d257c935cb763aea1ada1abc | Analyze and fix the following issue in the Linux kernel code: clk: qcom: gcc-glymur: Update the SDCC RCGs to use shared_floor_ops | Problem Details:
Use shared_floor_ops for the SDCC RCGs so the RCG is safely parked
during disable and the new parent configuration is programmed in
hardware only when the new parent is enabled, avoiding cases where
the RCG configuration fails to update.
Fixes: efe504300a17 ("clk: qcom: gcc: Add support for Global Clo... | ```diff
diff --git a/drivers/clk/qcom/gcc-glymur.c b/drivers/clk/qcom/gcc-glymur.c
index deab819576d0..238e205735ed 100644
--- a/drivers/clk/qcom/gcc-glymur.c
+++ b/drivers/clk/qcom/gcc-glymur.c
@@ -2317,7 +2317,7 @@ static struct clk_rcg2 gcc_sdcc2_apps_clk_src = {
.parent_data = gcc_parent_data_17,
.num_parents... |
947c4b326c1f4dc64aed42170b39c2cf551ba8ca | Analyze and fix the following issue in the Linux kernel code: clk: qcom: gcc-qdu1000: Update the SDCC RCGs to use shared_floor_ops | Problem Details:
Use shared_floor_ops for the SDCC RCGs so the RCG is safely parked
during disable and the new parent configuration is programmed in
hardware only when the new parent is enabled, avoiding cases where
the RCG configuration fails to update.
Fixes: baa316580013 ("clk: qcom: gcc-qdu1000: Update the SDCC cl... | ```diff
diff --git a/drivers/clk/qcom/gcc-qdu1000.c b/drivers/clk/qcom/gcc-qdu1000.c
index dbe9e9437939..915bb9b4ff81 100644
--- a/drivers/clk/qcom/gcc-qdu1000.c
+++ b/drivers/clk/qcom/gcc-qdu1000.c
@@ -904,7 +904,7 @@ static struct clk_rcg2 gcc_sdcc5_apps_clk_src = {
.name = "gcc_sdcc5_apps_clk_src",
.parent_dat... |
a468047c4e1c56783204a3ac551b843b4277c8fc | Analyze and fix the following issue in the Linux kernel code: clk: qcom: gcc-x1e80100: Update the SDCC RCGs to use shared_floor_ops | Problem Details:
Use shared_floor_ops for the SDCC RCGs so the RCG is safely parked
during disable and the new parent configuration is programmed in
hardware only when the new parent is enabled, avoiding cases where
the RCG configuration fails to update.
Fixes: 161b7c401f4b ("clk: qcom: Add Global Clock controller (GC... | ```diff
diff --git a/drivers/clk/qcom/gcc-x1e80100.c b/drivers/clk/qcom/gcc-x1e80100.c
index ae9621aff858..74afd12c158c 100644
--- a/drivers/clk/qcom/gcc-x1e80100.c
+++ b/drivers/clk/qcom/gcc-x1e80100.c
@@ -1564,7 +1564,7 @@ static struct clk_rcg2 gcc_sdcc2_apps_clk_src = {
.parent_data = gcc_parent_data_9,
.num_... |
08da8d7dabb161cea14c6d3ad9b5037aaf6d4b7e | Analyze and fix the following issue in the Linux kernel code: clk: qcom: gcc-milos: Update the SDCC RCGs to use shared_floor_ops | Problem Details:
Use shared_floor_ops for the SDCC RCGs to avoid any overclocking
issues in SDCC usecases.
Fixes: 88174d5d9422 ("clk: qcom: Add Global Clock controller (GCC) driver for Milos")
Reviewed-by: Taniya Das <taniya.das@oss.qualcomm.com>
Reviewed-by: Imran Shaik <imran.shaik@oss.qualcomm.com>
Reviewed-by: Dmi... | ```diff
diff --git a/drivers/clk/qcom/gcc-milos.c b/drivers/clk/qcom/gcc-milos.c
index c9d61b05bafa..81fa09ec55d7 100644
--- a/drivers/clk/qcom/gcc-milos.c
+++ b/drivers/clk/qcom/gcc-milos.c
@@ -917,7 +917,7 @@ static struct clk_rcg2 gcc_sdcc1_apps_clk_src = {
.name = "gcc_sdcc1_apps_clk_src",
.parent_data = gcc_... |
4b057462bb61a6571608ba393e6e018c9da9c9c3 | Analyze and fix the following issue in the Linux kernel code: clk: qcom: gcc-sdx75: Update the SDCC RCGs to use shared_floor_ops | Problem Details:
Use shared_floor_ops for the SDCC RCGs so the RCG is safely parked
during disable and the new parent configuration is programmed in
hardware only when the new parent is enabled, avoiding cases where
the RCG configuration fails to update.
Fixes: 108cdc09b2de ("clk: qcom: Add GCC driver support for SDX7... | ```diff
diff --git a/drivers/clk/qcom/gcc-sdx75.c b/drivers/clk/qcom/gcc-sdx75.c
index 453a6bf8e878..1f3cd58483a2 100644
--- a/drivers/clk/qcom/gcc-sdx75.c
+++ b/drivers/clk/qcom/gcc-sdx75.c
@@ -1033,7 +1033,7 @@ static struct clk_rcg2 gcc_sdcc1_apps_clk_src = {
.name = "gcc_sdcc1_apps_clk_src",
.parent_data = gc... |
458e8a082186335380a9ab83003a385aec9bb254 | Analyze and fix the following issue in the Linux kernel code: clk: qcom: gcc-sm4450: Update the SDCC RCGs to use shared_floor_ops | Problem Details:
Use shared_floor_ops for the SDCC RCGs so the RCG is safely parked
during disable and the new parent configuration is programmed in
hardware only when the new parent is enabled, avoiding cases where
the RCG configuration fails to update.
Fixes: c32c4ef98bac ("clk: qcom: Add GCC driver support for SM44... | ```diff
diff --git a/drivers/clk/qcom/gcc-sm4450.c b/drivers/clk/qcom/gcc-sm4450.c
index e2d9e4691c5b..023d840e9f4e 100644
--- a/drivers/clk/qcom/gcc-sm4450.c
+++ b/drivers/clk/qcom/gcc-sm4450.c
@@ -769,7 +769,7 @@ static struct clk_rcg2 gcc_sdcc1_apps_clk_src = {
.parent_data = gcc_parent_data_4,
.num_parents = ... |
a7231d4aa084e485394f9214ec9bcb2d1f65dde9 | Analyze and fix the following issue in the Linux kernel code: clk: qcom: gcc-sm8750: Update the SDCC RCGs to use shared_floor_ops | Problem Details:
Use shared_floor_ops for the SDCC RCGs so the RCG is safely parked
during disable and the new parent configuration is programmed in
hardware only when the new parent is enabled, avoiding cases where
the RCG configuration fails to update.
Fixes: 3267c774f3ff ("clk: qcom: Add support for GCC on SM8750")... | ```diff
diff --git a/drivers/clk/qcom/gcc-sm8750.c b/drivers/clk/qcom/gcc-sm8750.c
index def86b71a3da..db81569dd4b1 100644
--- a/drivers/clk/qcom/gcc-sm8750.c
+++ b/drivers/clk/qcom/gcc-sm8750.c
@@ -1030,7 +1030,7 @@ static struct clk_rcg2 gcc_sdcc2_apps_clk_src = {
.parent_data = gcc_parent_data_8,
.num_parents ... |
89428516f99572a9c37ebbb7859595881e7025a0 | Analyze and fix the following issue in the Linux kernel code: clk: qcom: gcc-sm8450: Update the SDCC RCGs to use shared_floor_ops | Problem Details:
Use shared_floor_ops for the SDCC RCGs so the RCG is safely parked
during disable and the new parent configuration is programmed in
hardware only when the new parent is enabled, avoiding cases where
the RCG configuration fails to update.
Fixes: a27ac3806b0a ("clk: qcom: gcc-sm8450: Use floor ops for S... | ```diff
diff --git a/drivers/clk/qcom/gcc-sm8450.c b/drivers/clk/qcom/gcc-sm8450.c
index 65d7d52bce03..b18bb34889ab 100644
--- a/drivers/clk/qcom/gcc-sm8450.c
+++ b/drivers/clk/qcom/gcc-sm8450.c
@@ -1034,7 +1034,7 @@ static struct clk_rcg2 gcc_sdcc2_apps_clk_src = {
.parent_data = gcc_parent_data_7,
.num_parents ... |
9670db22e7ab4aefe2b2619589a47fef9d3e0c7e | Analyze and fix the following issue in the Linux kernel code: blk-mq: avoid stall during boot due to synchronize_rcu_expedited | Problem Details:
On the kernel 6.19-rc, I am experiencing 15-second boot stall in a
virtual machine when probing a virtio-scsi disk:
[ 1.011641] SCSI subsystem initialized
[ 1.013972] virtio_scsi virtio6: 16/0/0 default/read/poll queues
[ 1.015983] scsi host0: Virtio SCSI HBA
[ 1.019578] ACPI: \_SB_.GSIA: E... | ```diff
diff --git a/block/blk-mq.c b/block/blk-mq.c
index eff4f72ce83b..a29d8ac9d3e3 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -4553,8 +4553,7 @@ static void __blk_mq_realloc_hw_ctxs(struct blk_mq_tag_set *set,
* Make sure reading the old queue_hw_ctx from other
* context concurrently won't trigger u... |
544b4e15ed106b0e8cd2d584f576e3fda13d8f5f | Analyze and fix the following issue in the Linux kernel code: x86/alternative: Use helper functions for patching alternatives | Problem Details:
Tidy up apply_alternatives() by moving the main patching action of a single
alternative instance into 3 helper functions:
- analyze_patch_site() for selection whether patching should occur or not and
to handle nested alternatives.
- prep_patch_site() for applying any needed relocations and issuing ... | ```diff
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 28518371d8bf..6e3eec048d19 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -586,6 +586,88 @@ static inline u8 * instr_va(struct alt_instr *i)
return (u8 *)&i->instr_offset + i->instr_offset;
}
... |
2704024d83fa9eb8e5f16925aae340fd9d246694 | Analyze and fix the following issue in the Linux kernel code: loop: add missing bd_abort_claiming in loop_set_status | Problem Details:
Commit 08e136ebd193 ("loop: don't change loop device under exclusive
opener in loop_set_status") forgot to call bd_abort_claiming() when
mutex_lock_killable() failed.
Fixes: 08e136ebd193 ("loop: don't change loop device under exclusive opener in loop_set_status")
Signed-off-by: Tetsuo Handa <penguin-k... | ```diff
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index ca74cc31bf07..bd59c0e9508b 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1245,7 +1245,8 @@ loop_set_status(struct loop_device *lo, blk_mode_t mode,
err = mutex_lock_killable(&lo->lo_mutex);
if (err)
- return err;
+ goto ou... |
fb8b8183208d8efe824e8d2c73fb1ab5ad1191fd | Analyze and fix the following issue in the Linux kernel code: rtla: Fix parse_cpu_set() return value documentation | Problem Details:
Correct the return value documentation for parse_cpu_set() function
in utils.c. The comment incorrectly stated that the function returns
1 on success and 0 on failure, but the actual implementation returns
0 on success and 1 on failure, following the common error-on-nonzero
convention used throughout t... | ```diff
diff --git a/tools/tracing/rtla/src/utils.c b/tools/tracing/rtla/src/utils.c
index 5273745bc8df..18986a5aed3c 100644
--- a/tools/tracing/rtla/src/utils.c
+++ b/tools/tracing/rtla/src/utils.c
@@ -113,7 +113,7 @@ void get_duration(time_t start_time, char *output, int output_size)
* Receives a cpu list, like 1-3... |
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