id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
315345610faee8a0568b522dba9e35067d1732ab | Analyze and fix the following issue in the Linux kernel code: pinctrl: qcom: pinctrl-qcm2290: Add missing pins | Problem Details:
Added the missing pins to the qcm2290_pins table.
Signed-off-by: Wojciech Slenska <wojciech.slenska@gmail.com>
Fixes: 48e049ef1238 ("pinctrl: qcom: Add QCM2290 pinctrl driver")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/20250523101437.59092-1-wojcie... | ```diff
diff --git a/drivers/pinctrl/qcom/pinctrl-qcm2290.c b/drivers/pinctrl/qcom/pinctrl-qcm2290.c
index 85c951305abd..eeeec6434f6a 100644
--- a/drivers/pinctrl/qcom/pinctrl-qcm2290.c
+++ b/drivers/pinctrl/qcom/pinctrl-qcm2290.c
@@ -167,6 +167,10 @@ static const struct pinctrl_pin_desc qcm2290_pins[] = {
PINCTRL_PI... |
56ec63a6e107e724619e61c7e605b49d365dfa07 | Analyze and fix the following issue in the Linux kernel code: pinctrl: qcom: switch to devm_gpiochip_add_data() | Problem Details:
In order to simplify cleanup actions, use devres-enabled version of
gpiochip_add_data(). As the msm_pinctrl_remove() function is now empty,
drop it and all its calls from the corresponding pinctrl drivers.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.o... | ```diff
diff --git a/drivers/pinctrl/qcom/pinctrl-apq8064.c b/drivers/pinctrl/qcom/pinctrl-apq8064.c
index 20c3b9025044..3654913f1ae5 100644
--- a/drivers/pinctrl/qcom/pinctrl-apq8064.c
+++ b/drivers/pinctrl/qcom/pinctrl-apq8064.c
@@ -629,7 +629,6 @@ static struct platform_driver apq8064_pinctrl_driver = {
.of_match... |
9cea7425595697802e8d55a322a251999554b8b1 | Analyze and fix the following issue in the Linux kernel code: ALSA: usb-audio: Remove unneeded wmb() in mixer_quirks | Problem Details:
Adding a memory barrier before wake_up() in
snd_usb_soundblaster_remote_complete() is supposed to ensure the write
to mixer->rc_code is visible in wait_event_interruptible() from
snd_usb_sbrc_hwdep_read().
However, this is not really necessary, since wake_up() is just a wrapper
over __wake_up() which ... | ```diff
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 783789cbcfe2..ffda3b8d42cc 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -212,7 +212,6 @@ static void snd_usb_soundblaster_remote_complete(struct urb *urb)
if (code == rc->mute_code)
snd_usb_mixer_notify_id(mix... |
c0495cef8b43ad61efbd4019e3573742e0e63c67 | Analyze and fix the following issue in the Linux kernel code: ALSA: usb-audio: Drop unnecessary parentheses in mixer_quirks | Problem Details:
Fix multiple 'CHECK: Unnecessary parentheses around ...' reports from
checkpatch.pl.
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250526-dualsense-alsa-jack-v1-5-1a821463b632@collabora.com | ```diff
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 5ef8fc714cc3..071a76554d09 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -380,10 +380,10 @@ static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
struct snd_kcontrol_new knew;
/* USB X-... |
231225d8a20f8668b4fd6601d54a2fac0e0ab7a5 | Analyze and fix the following issue in the Linux kernel code: ALSA: usb-audio: Fix block comments in mixer_quirks | Problem Details:
Address a couple of comment formatting issues indicated by
checkpatch.pl:
WARNING: Block comments use a trailing */ on a separate line
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250526-dualsense-a... | ```diff
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 19abd709c4d7..5ef8fc714cc3 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -78,7 +78,8 @@ static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer,
cval->idx_off = idx_off;
/* get_min_max() is... |
fd3ab72e42e9871a9902b945a2bf8bb87b49c718 | Analyze and fix the following issue in the Linux kernel code: ALSA: usb-audio: Avoid precedence issues in mixer_quirks macros | Problem Details:
Fix all macro related issues identified by checkpatch.pl:
CHECK: Macro argument 'x' may be better as '(x)' to avoid precedence issues
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250526-dualsense-al... | ```diff
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index ec14b5ee61c2..19abd709c4d7 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -2156,15 +2156,15 @@ static int dell_dock_mixer_init(struct usb_mixer_interface *mixer)
#define SND_RME_CLK_FREQMUL_SHIFT 18
#define SND_RM... |
df6b4dcf2e2c3b4e34c3213a575c92d0c9415d0d | Analyze and fix the following issue in the Linux kernel code: ALSA: usb-audio: Fix whitespace & blank line issues in mixer_quirks | Problem Details:
Address all whitespace & blank line(s) related issues reported by
checkpatch.pl:
ERROR: trailing whitespace
ERROR: space required after that ',' (ctx:VxV)
WARNING: Missing a blank line after declarations
CHECK: Please use a blank line after function/struct/union/enum declarations
CHECK: Plea... | ```diff
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index c05861450465..ec14b5ee61c2 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -287,7 +287,7 @@ static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
mixer->rc_setup_packet->wLength = cpu_to_le1... |
bca638aa737d13749a871d1a0d2ed276501ffc54 | Analyze and fix the following issue in the Linux kernel code: ALSA: usb-audio: Fix code alignment in mixer_quirks | Problem Details:
Format code to fix all alignment issues reported by checkpatch.pl:
CHECK: Alignment should match open parenthesis
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250526-dualsense-alsa-jack-v1-1-1a82146... | ```diff
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index aad205df93b2..c05861450465 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -55,13 +55,13 @@ struct std_mono_table {
* version, we keep it mono for simplicity.
*/
static int snd_create_std_mono_ctl_offset(struct u... |
4dbd11796f3a8eb95647507befc41995458a4023 | Analyze and fix the following issue in the Linux kernel code: platform/x86/amd: pmc: Clear metrics table at start of cycle | Problem Details:
The area of memory that contains the metrics table may contain garbage
when the cycle starts. This normally doesn't matter because the cycle
itself will populate it with valid data, however commit 9f5595d5f03fd
("platform/x86/amd: pmc: Require at least 2.5 seconds between HW sleep
cycles") started to ... | ```diff
diff --git a/drivers/platform/x86/amd/pmc/pmc.c b/drivers/platform/x86/amd/pmc/pmc.c
index 37c7a57afee5..0b9b23eb7c2c 100644
--- a/drivers/platform/x86/amd/pmc/pmc.c
+++ b/drivers/platform/x86/amd/pmc/pmc.c
@@ -157,6 +157,8 @@ static int amd_pmc_setup_smu_logging(struct amd_pmc_dev *dev)
return -ENOMEM;
}... |
1d0a61940e22e165e6acc4a9c6fb26edbe69112e | Analyze and fix the following issue in the Linux kernel code: platform/x86/intel: power-domains: Fix error code in tpmi_init() | Problem Details:
Return -ENOMEM instead of success if kcalloc() fails.
Fixes: e37be5d85c60 ("platform/x86/intel: power-domains: Add interface to get Linux die ID")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/aEKvIGCt6d8Gcx4S@stanley.mountain
Reviewed-by: Ilpo Järvinen <ilpo.... | ```diff
diff --git a/drivers/platform/x86/intel/tpmi_power_domains.c b/drivers/platform/x86/intel/tpmi_power_domains.c
index 0c5c88eb7baf..9d8247bb9cfa 100644
--- a/drivers/platform/x86/intel/tpmi_power_domains.c
+++ b/drivers/platform/x86/intel/tpmi_power_domains.c
@@ -228,8 +228,10 @@ static int __init tpmi_init(void... |
c987a390f1b3b8bdac11031d7004e3410fe259bd | Analyze and fix the following issue in the Linux kernel code: ALSA: hda/intel: Add Thinkpad E15 to PM deny list | Problem Details:
Lenovo Thinkpad E15 with Conexant CX8070 codec seems causing ugly
noises after runtime-PM suspend. Disable the codec runtime PM as a
workaround.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=220210
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20250608091415.21170-1-tiwai@suse.de
Si... | ```diff
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index e5210ed48ddf..439cf1bda6e6 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2283,6 +2283,8 @@ static const struct snd_pci_quirk power_save_denylist[] = {
SND_PCI_QUIRK(0x1734, 0x1232, "KONTRON SinglePC", 0),
/... |
685f88c72a0c4d12d3bd2ff50286938f14486f85 | Analyze and fix the following issue in the Linux kernel code: platform/x86/intel-uncore-freq: Fail module load when plat_info is NULL | Problem Details:
Address a Smatch static checker warning regarding an unchecked
dereference in the function call:
set_cdie_id(i, cluster_info, plat_info)
when plat_info is NULL.
Instead of addressing this one case, in general if plat_info is NULL
then it can cause other issues. For example in a two package system it
w... | ```diff
diff --git a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
index 1c7b2f2716ca..44d9948ed224 100644
--- a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
+++ b/drivers/platform/x86/intel/uncore-frequen... |
5808c34216954cd832bd4b8bc52dfa287049122b | Analyze and fix the following issue in the Linux kernel code: platform/x86: ideapad-laptop: use usleep_range() for EC polling | Problem Details:
It was reported that ideapad-laptop sometimes causes some recent (since
2024) Lenovo ThinkBook models shut down when:
- suspending/resuming
- closing/opening the lid
- (dis)connecting a charger
- reading/writing some sysfs properties, e.g., fan_mode, touchpad
- pressing down some Fn keys, e.g., Br... | ```diff
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index ede483573fe0..b5e4da6a6779 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -15,6 +15,7 @@
#include <linux/bug.h>
#include <linux/cleanup.h>
#include <linux/debugf... |
9dc4ef3a5b9f6b28f27aa29977049c84cdec4755 | Analyze and fix the following issue in the Linux kernel code: iio: adc: ad7606: exit for invalid fdt dt_schema properties | Problem Details:
Fix ad7606_get_chan_config() fdt parsing function to exit for error in
case of invalid dt_schema values.
Idea is to not proceed when there are values that are not allowed under
the dt_schema.
Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@l... | ```diff
diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c
index f0c22365f23f..e5878974a282 100644
--- a/drivers/iio/adc/ad7606.c
+++ b/drivers/iio/adc/ad7606.c
@@ -319,15 +319,13 @@ static int ad7606_get_chan_config(struct iio_dev *indio_dev, int ch,
ret = fwnode_property_read_u32(child, "reg", ®... |
c86b60189f35be0657166381a6d269990cd7190a | Analyze and fix the following issue in the Linux kernel code: Documentation: ABI: IIO: add new convdelay documentation | Problem Details:
Add new IIO "convdelay" documentation.
The ad7606 implements a phase calibation feature, in nanoseconds.
Being this a time delay, using the convdelay suffix.
Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patc... | ```diff
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index ef52c427a015..3bc386995fb6 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -559,6 +559,30 @@ Description:
- a small discrete set of values like "0 2 4 6 8... |
1a862799dc12f82d912320757624e3474a71de67 | Analyze and fix the following issue in the Linux kernel code: iio: buffer: Fix checkpatch.pl warning | Problem Details:
Remove the following trivial warning:
"WARNING: Block comments should align the * on each line"
Signed-off-by: Gyeyoung Baek <gye976@gmail.com>
Link: https://patch.msgid.link/20250519-timestamp-v1-1-fcb4f6c2721c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> | ```diff
diff --git a/drivers/iio/buffer/industrialio-triggered-buffer.c b/drivers/iio/buffer/industrialio-triggered-buffer.c
index c06515987e7a..9bf75dee7ff8 100644
--- a/drivers/iio/buffer/industrialio-triggered-buffer.c
+++ b/drivers/iio/buffer/industrialio-triggered-buffer.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifi... |
c5858465a695c88fd427d1930c868750321b0409 | Analyze and fix the following issue in the Linux kernel code: iio: amplifiers: ada4250: use DMA-safe memory for regmap_bulk_read() | Problem Details:
Use DMA-safe memory instead of stack-allocated memory for the call to
regmap_bulk_read() in the ada4250_init() function as this could be used
directly by a SPI controller.
Also remove unnecessary use of get_unaligned_le16() and explicitly
include linux/types.h e.g. for __le16 while we are fixing this ... | ```diff
diff --git a/drivers/iio/amplifiers/ada4250.c b/drivers/iio/amplifiers/ada4250.c
index 74f8429d652b..f81438460aa5 100644
--- a/drivers/iio/amplifiers/ada4250.c
+++ b/drivers/iio/amplifiers/ada4250.c
@@ -13,8 +13,7 @@
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/spi/spi.h>
-... |
9182f3b4c370b7e779dca569c672b9ad22fd23d6 | Analyze and fix the following issue in the Linux kernel code: iio: dac: adi-axi-dac: use unique bus free check | Problem Details:
Use a unique function for the bus free check by polling, to reduce
duplicated code. An error is always thrown in case of timeout.
Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250523-ad3552r-fix-bus-read-v3-2-310e... | ```diff
diff --git a/drivers/iio/dac/adi-axi-dac.c b/drivers/iio/dac/adi-axi-dac.c
index 33faba4b02c2..a0e546dba368 100644
--- a/drivers/iio/dac/adi-axi-dac.c
+++ b/drivers/iio/dac/adi-axi-dac.c
@@ -635,15 +635,26 @@ static int axi_dac_ddr_disable(struct iio_backend *back)
AXI_DAC_CNTRL_2_SDR_DDR_N);
}
+s... |
8d8d7c1dbc46aa07a76acab7336a42ddd900be10 | Analyze and fix the following issue in the Linux kernel code: iio: adc: max1363: Reorder mode_list[] entries | Problem Details:
The IIO core issues warnings when a scan mask is a subset of a previous
entry in the available_scan_masks array.
On a board using a MAX11601, the following warning is observed:
max1363 1-0064: available_scan_mask 7 subset of 6. Never used
This occurs because the entries in the max11607_mode_list[] a... | ```diff
diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c
index bc44b4604ef4..9dd547e62b6c 100644
--- a/drivers/iio/adc/max1363.c
+++ b/drivers/iio/adc/max1363.c
@@ -532,23 +532,23 @@ static const struct iio_chan_spec max1363_channels[] =
/* Applies to max1236, max1237 */
static const enum max1363_mo... |
6d21f2c2dd843bceefd9455f2919f6bb526797f0 | Analyze and fix the following issue in the Linux kernel code: iio: adc: max1363: Fix MAX1363_4X_CHANS/MAX1363_8X_CHANS[] | Problem Details:
Since commit 2718f15403fb ("iio: sanity check available_scan_masks array"),
booting a board populated with a MAX11601 results in a flood of warnings:
max1363 1-0064: available_scan_mask 8 subset of 0. Never used
max1363 1-0064: available_scan_mask 9 subset of 0. Never used
max1363 1-0064: available_sc... | ```diff
diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c
index a7e9912fb44a..bc44b4604ef4 100644
--- a/drivers/iio/adc/max1363.c
+++ b/drivers/iio/adc/max1363.c
@@ -511,10 +511,10 @@ static const struct iio_event_spec max1363_events[] = {
MAX1363_CHAN_U(1, _s1, 1, bits, ev_spec, num_ev_spec), \
M... |
e8ad595064f6ebd5d2d1a5d5d7ebe0efce623091 | Analyze and fix the following issue in the Linux kernel code: iio: adc: stm32-adc: Fix race in installing chained IRQ handler | Problem Details:
Fix a race where a pending interrupt could be received and the handler
called before the handler's data has been setup, by converting to
irq_set_chained_handler_and_data().
Fixes: 1add69880240 ("iio: adc: Add support for STM32 ADC core")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Reviewed-by: Nuno Sá... | ```diff
diff --git a/drivers/iio/adc/stm32-adc-core.c b/drivers/iio/adc/stm32-adc-core.c
index bd3458965bff..21c04a98b3b6 100644
--- a/drivers/iio/adc/stm32-adc-core.c
+++ b/drivers/iio/adc/stm32-adc-core.c
@@ -430,10 +430,9 @@ static int stm32_adc_irq_probe(struct platform_device *pdev,
return -ENOMEM;
}
- for ... |
16285a0931869baa618b1f5d304e1e9d090470a8 | Analyze and fix the following issue in the Linux kernel code: iio: fix potential out-of-bound write | Problem Details:
The buffer is set to 20 characters. If a caller write more characters,
count is truncated to the max available space in "simple_write_to_buffer".
To protect from OoB access, check that the input size fit into buffer and
add a zero terminator after copy to the end of the copied data.
Fixes: 6d5dd486c71... | ```diff
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 178e99b111de..5ffda104d4b2 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -411,12 +411,15 @@ static ssize_t iio_debugfs_write_reg(struct file *file,
char buf[80];
int ret;
+ if (coun... |
da9374819eb3885636934c1006d450c3cb1a02ed | Analyze and fix the following issue in the Linux kernel code: iio: backend: fix out-of-bound write | Problem Details:
The buffer is set to 80 character. If a caller write more characters,
count is truncated to the max available space in "simple_write_to_buffer".
But afterwards a string terminator is written to the buffer at offset count
without boundary check. The zero termination is written OUT-OF-BOUND.
Add a check... | ```diff
diff --git a/drivers/iio/industrialio-backend.c b/drivers/iio/industrialio-backend.c
index c1eb9ef9db08..266e1b29bf91 100644
--- a/drivers/iio/industrialio-backend.c
+++ b/drivers/iio/industrialio-backend.c
@@ -155,11 +155,14 @@ static ssize_t iio_backend_debugfs_write_reg(struct file *file,
ssize_t rc;
int... |
8a48e35becb214743214f5504e726c3ec131cd6d | Analyze and fix the following issue in the Linux kernel code: drm/msm/dsi/dsi_phy_10nm: Fix missing initial VCO rate | Problem Details:
Driver unconditionally saves current state on first init in
dsi_pll_10nm_init(), but does not save the VCO rate, only some of the
divider registers. The state is then restored during probe/enable via
msm_dsi_phy_enable() -> msm_dsi_phy_pll_restore_state() ->
dsi_10nm_pll_restore_state().
Restoring ca... | ```diff
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
index 9812b4d69197..af2e30f3f842 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
@@ -704,6 +704,13 @@ static int dsi_pll_10nm_init(struct msm_dsi_phy *phy... |
088eb0f161c58969bc7544e5d6c1451ed18d2ddb | Analyze and fix the following issue in the Linux kernel code: firewire: ohci: correct code comments about bus_reset tasklet | Problem Details:
The tasklet for bus reset event has been replaced with work item, while
some code comments still address to the tasklet.
This commit corrects them.
Fixes: 2d7a36e23300 ("firewire: ohci: Move code from the bus reset tasklet into a workqueue")
Link: https://lore.kernel.org/r/20250608233808.202355-1-o-t... | ```diff
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index edaedd156a6d..27e3e998e6fc 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -2528,7 +2528,7 @@ static int ohci_enable(struct fw_card *card,
* They shouldn't do that in this initial case where the link
* isn't enabled... |
6b500757aef0b5b639253508cf93eb8134a2d340 | Analyze and fix the following issue in the Linux kernel code: spi: dt-bindings: mxs-spi: allow clocks properpty | Problem Details:
Allow clocks property to fix below CHECK_DTB warnings:
arch/arm/boot/dts/nxp/mxs/imx28-btt3-0.dtb: spi@80014000 (fsl,imx28-spi): Unevaluated properties are not allowed ('clocks' was unexpected)
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20250528222821.728544-1-Frank.Li@n... | ```diff
diff --git a/Documentation/devicetree/bindings/spi/mxs-spi.yaml b/Documentation/devicetree/bindings/spi/mxs-spi.yaml
index e2512166c1cd..0cf8e7269ba9 100644
--- a/Documentation/devicetree/bindings/spi/mxs-spi.yaml
+++ b/Documentation/devicetree/bindings/spi/mxs-spi.yaml
@@ -24,6 +24,9 @@ properties:
interrup... |
146e87f3e11de0dfa091ff87e34b4bc6eec761a4 | Analyze and fix the following issue in the Linux kernel code: drm/msm/disp: Correct porch timing for SDM845 | Problem Details:
Type-C DisplayPort inoperable due to incorrect porch settings.
- Re-used wide_bus_en as flag to prevent porch shifting
Fixes: c943b4948b58 ("drm/msm/dp: add displayPort driver support")
Signed-off-by: James A. MacInnes <james.a.macinnes@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qu... | ```diff
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
index 8a618841e3ea..1c468ca5d692 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
@@ -94,17 +94,21 @@ static void d... |
f4c77d5af0a9cd0ee22617baa8b49d0e151fbda7 | Analyze and fix the following issue in the Linux kernel code: ASoC: soc-dai: tidyup return value of snd_soc_xlate_tdm_slot_mask() | Problem Details:
commit 7f1186a8d738661 ("ASoC: soc-dai: check return value at
snd_soc_dai_set_tdm_slot()") checks return value of
xlate_tdm_slot_mask() (A1)(A2).
/*
* ...
(Y) * TDM mode can be disabled by passing 0 for @slots. In this case @tx_mask,
* @rx_mask and @slot_width will be ignored.
* ...
*/
int ... | ```diff
diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c
index a210089747d0..32f46a38682b 100644
--- a/sound/soc/soc-dai.c
+++ b/sound/soc/soc-dai.c
@@ -259,13 +259,15 @@ int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
&rx_mask,
};
- if (dai->driver->ops &&
- dai->driver->ops->xlate_tdm_slot_mask... |
5dc302d00807b8916992dd25a7a22b78d07dcd03 | Analyze and fix the following issue in the Linux kernel code: ASOC: rockchip: fix capture stream handling in rockchip_sai_xfer_stop | Problem Details:
Correcting the capture stream handling which was incorrectly setting
playback=true for capture streams.
The original code mistakenly set playback=true for capture streams,
causing incorrect behavior.
Fixes: cc78d1eaabad ("ASoC: rockchip: add Serial Audio Interface (SAI) driver")
Signed-off-by: Pei Xi... | ```diff
diff --git a/sound/soc/rockchip/rockchip_sai.c b/sound/soc/rockchip/rockchip_sai.c
index 602f1ddfad00..916af63f1c2c 100644
--- a/sound/soc/rockchip/rockchip_sai.c
+++ b/sound/soc/rockchip/rockchip_sai.c
@@ -378,19 +378,9 @@ static void rockchip_sai_xfer_start(struct rk_sai_dev *sai, int stream)
static void roc... |
83c4c67076c209787515e06fffd41dd0bdab09b9 | Analyze and fix the following issue in the Linux kernel code: drm/msm/dp: Disable wide bus support for SDM845 | Problem Details:
When widebus was enabled for DisplayPort in commit c7c412202623
("drm/msm/dp: enable widebus on all relevant chipsets") it was clarified
that it is only supported on DPU 5.0.0 onwards which includes SC7180 on
DPU revision 6.2. However, this patch missed that the description
structure for SC7180 is als... | ```diff
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index 386c4669c831..a48e6db4f156 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -128,6 +128,11 @@ static const struct msm_dp_desc msm_dp_desc_sa8775p[] = {
{}
};
+static con... |
2b74aea6d078ade810a3b0f7d1bcfcba2eaad416 | Analyze and fix the following issue in the Linux kernel code: spi: spi-pci1xxxx: Fix error code in probe | Problem Details:
Return the error code if pci_alloc_irq_vectors() fails. Don't return
success.
Fixes: b4608e944177 ("spi: spi-pci1xxxx: Fix Probe failure with Dual SPI instance with INTx interrupts")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Thangaraj Samynathan <thangaraj.s@microchip.com>
... | ```diff
diff --git a/drivers/spi/spi-pci1xxxx.c b/drivers/spi/spi-pci1xxxx.c
index c6489e90b8b9..9112d8a1a0c8 100644
--- a/drivers/spi/spi-pci1xxxx.c
+++ b/drivers/spi/spi-pci1xxxx.c
@@ -765,7 +765,7 @@ static int pci1xxxx_spi_probe(struct pci_dev *pdev, const struct pci_device_id *
PCI_IRQ_ALL_TYPES);
i... |
1dd630088332b5b310f3dd7eaacae9f3c4465651 | Analyze and fix the following issue in the Linux kernel code: spi: loongson: Fix build warnings about export.h | Problem Details:
After commit a934a57a42f64a4 ("scripts/misc-check: check missing #include
<linux/export.h> when W=1") and 7d95680d64ac8e836c ("scripts/misc-check:
check unnecessary #include <linux/export.h> when W=1"), we get some build
warnings with W=1:
drivers/spi/spi-loongson-core.c: warning: EXPORT_SYMBOL() is u... | ```diff
diff --git a/drivers/spi/spi-loongson-core.c b/drivers/spi/spi-loongson-core.c
index 4fec226456d1..b46f072a0387 100644
--- a/drivers/spi/spi-loongson-core.c
+++ b/drivers/spi/spi-loongson-core.c
@@ -5,6 +5,7 @@
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/err.h>
+#include <linux/export.h>
... |
10c24e0d2f7cd2bc8a847cf750f01301ce67dbc8 | Analyze and fix the following issue in the Linux kernel code: spi: omap2-mcspi: Disable multi-mode when the previous message kept CS asserted | Problem Details:
When the last transfer of a SPI message has the cs_change flag, the CS is kept
asserted after the message.
The next message can't use multi-mode because the CS will be briefly deasserted
before the first transfer.
Remove the early exit of the list_for_each_entry because the last transfer
actually need... | ```diff
diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index e834fb42fd4b..70bb74b3bd9c 100644
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -134,6 +134,7 @@ struct omap2_mcspi {
size_t max_xfer_len;
u32 ref_clk_hz;
bool use_multi_mode;
+ bool last_... |
a5bf5272295d3f058adeee025d2a0b6625f8ba7b | Analyze and fix the following issue in the Linux kernel code: spi: omap2-mcspi: Disable multi mode when CS should be kept asserted after message | Problem Details:
When the last transfer of a SPI message has the cs_change flag, the CS is kept
asserted after the message.
Multi-mode can't respect this as CS is deasserted by the hardware at the end of
the message.
Disable multi-mode when not applicable to the current message.
Fixes: d153ff4056cb ("spi: omap2-mcspi... | ```diff
diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index 29c616e2c408..e834fb42fd4b 100644
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -1287,9 +1287,15 @@ static int omap2_mcspi_prepare_message(struct spi_controller *ctlr,
mcspi->use_multi_mode = false;... |
06118ae36855b7d3d22688298e74a766ccf0cb7a | Analyze and fix the following issue in the Linux kernel code: regulator: max20086: Fix refcount leak in max20086_parse_regulators_dt() | Problem Details:
There is a missing call to of_node_put() if devm_kcalloc() fails.
Fix this by changing the code to use cleanup.h magic to drop the
refcount.
Fixes: 6b0cd72757c6 ("regulator: max20086: fix invalid memory access")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/aDV... | ```diff
diff --git a/drivers/regulator/max20086-regulator.c b/drivers/regulator/max20086-regulator.c
index b4fe76e33ff2..fcdd2d0317a5 100644
--- a/drivers/regulator/max20086-regulator.c
+++ b/drivers/regulator/max20086-regulator.c
@@ -5,6 +5,7 @@
// Copyright (C) 2022 Laurent Pinchart <laurent.pinchart@idesonboard.com... |
a4e469c1e2e0ec7f08fff9ed29f5500f187ba9f2 | Analyze and fix the following issue in the Linux kernel code: ASoC: loongson: Fix build warnings about export.h | Problem Details:
After commit 25704938c86d7b2 ("scripts/misc-check: check missing #include
<linux/export.h> when W=1") and 1239f681359926101e ("scripts/misc-check:
check unnecessary #include <linux/export.h> when W=1"), we get some build
warnings with W=1:
sound/soc/loongson/loongson_i2s.c: warning: EXPORT_SYMBOL() is... | ```diff
diff --git a/sound/soc/loongson/loongson_i2s.c b/sound/soc/loongson/loongson_i2s.c
index e8852a30f213..e336656e13eb 100644
--- a/sound/soc/loongson/loongson_i2s.c
+++ b/sound/soc/loongson/loongson_i2s.c
@@ -9,6 +9,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
+#in... |
22188b9df60dde48eaba276da22062aaf8e12dfe | Analyze and fix the following issue in the Linux kernel code: ASoC: cs48l32: Fix a signedness bug in cs48l32_hw_params() | Problem Details:
There is a type promotion that can happen when freq(u32) variable is
comapared with sclk_target(integer), when sclk_target is a negative
value it promotes to a large postive integer which might not be a
problem in this particular case as the condition evaluates to false
when that happens, but bail out ... | ```diff
diff --git a/sound/soc/codecs/cs48l32.c b/sound/soc/codecs/cs48l32.c
index 90a795230d27..9bdd48aab42a 100644
--- a/sound/soc/codecs/cs48l32.c
+++ b/sound/soc/codecs/cs48l32.c
@@ -2162,6 +2162,10 @@ static int cs48l32_hw_params(struct snd_pcm_substream *substream,
n_slots_multiple = 1;
sclk_target = snd_s... |
42fd37dcc432df1ea1987232d41bb84fcb7e150c | Analyze and fix the following issue in the Linux kernel code: tools/power turbostat: version 2025.06.08 | Problem Details:
Add initial DMR support, which required smarter RAPL probe
Fix AMD MSR RAPL energy reporting
Add RAPL power limit configuration output
Minor fixes
Signed-off-by: Len Brown <len.brown@intel.com> | ```diff
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index db0134adc8ce..5230e072e414 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -280,7 +280,7 @@ struct msr_counter bic[] = {
#define BIC_GROUP_FREQUENCY (BIC_Avg_MHz | ... |
69078520fdf1525212a23a80dc79e1a75f2062f6 | Analyze and fix the following issue in the Linux kernel code: tools/power turbostat: Avoid probing the same perf counters | Problem Details:
For the RAPL package energy status counter, Intel and AMD share the same
perf_subsys and perf_name, but with different MSR addresses.
Both rapl_counter_arch_infos[0] and rapl_counter_arch_infos[1] are
introduced to describe this counter for different Vendors.
As a result, the perf counter is probed t... | ```diff
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 6f91ec3f3f14..8deb6a23c7dd 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -7991,6 +7991,21 @@ void rapl_perf_init(void)
struct rapl_counter_info_t *rci = &rap... |
3403e89f97ce71e473a5128ea389cb83bc27e7a9 | Analyze and fix the following issue in the Linux kernel code: tools/power turbostat: Remove add_msr_perf_counter_() | Problem Details:
As the only caller of add_msr_perf_counter_(), add_msr_perf_counter()
just gives extra debug output on top. There is no need to keep both
functions.
Remove add_msr_perf_counter_() and move all the logic to
add_msr_perf_counter().
No functional change.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
S... | ```diff
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 9af1e13484e2..ef923da00765 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -8052,30 +8052,26 @@ end:
return ret;
}
-int add_msr_perf_counter_(int cpu, struct ms... |
4d6ced7bef959701533d1e5c003872e837318e38 | Analyze and fix the following issue in the Linux kernel code: tools/power turbostat: Remove add_cstate_perf_counter_() | Problem Details:
As the only caller of add_cstate_perf_counter_(),
add_cstate_perf_counter() just gives extra debug output on top. There is
no need to keep both functions.
Remove add_cstate_perf_counter_() and move all the logic to
add_cstate_perf_counter().
No functional change.
Signed-off-by: Zhang Rui <rui.zhang@... | ```diff
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 2651030c506b..9af1e13484e2 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -8021,35 +8021,31 @@ int *get_cstate_perf_group_fd(struct cstate_counter_info_t *cci, cons... |
c8bca955da22269db80576c676eb50a5ef156832 | Analyze and fix the following issue in the Linux kernel code: tools/power turbostat: Remove add_rapl_perf_counter_() | Problem Details:
As the only caller of add_rapl_perf_counter_(), add_rapl_perf_counter()
just gives extra debug output on top. There is no need to keep both
functions.
Remove add_rapl_perf_counter_() and move all the logic to
add_rapl_perf_counter().
No functional change.
Signed-off-by: Zhang Rui <rui.zhang@intel.co... | ```diff
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 7e7d25d2362a..2651030c506b 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -7853,44 +7853,39 @@ static int has_instr_count_access(void)
return has_access;
}
-in... |
adb49732c8c63665dd3476e8e6b7c67a0f851245 | Analyze and fix the following issue in the Linux kernel code: tools/power turbostat: Fix AMD package-energy reporting | Problem Details:
commit 05a2f07db888 ("tools/power turbostat: read RAPL counters via
perf") that adds support to read RAPL counters via perf defines the
notion of a RAPL domain_id which is set to physical_core_id on
platforms which support per_core_rapl counters (Eg: AMD processors
Family 17h onwards) and is set to the... | ```diff
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 018f0fe96691..743db19a13c2 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -4773,6 +4773,38 @@ unsigned long pmt_read_counter(struct pmt_counter *ppmt, unsigned int ... |
b4a734d3839971f590ce8c435ea5b0d3762b37a8 | Analyze and fix the following issue in the Linux kernel code: tools/power turbostat: Fix RAPL_GFX_ALL typo | Problem Details:
Fix typo in the currently unused RAPL_GFX_ALL macro definition.
Signed-off-by: Kaushlendra Kumar <kaushlendra.kumar@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com> | ```diff
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 3b418cae8812..018f0fe96691 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -539,7 +539,7 @@ enum rapl_msrs {
#define RAPL_PKG_ALL (RAPL_PKG | RAPL_PKG_PERF_STATUS |... |
c967900fcb00927c1758c16130be5cd771993198 | Analyze and fix the following issue in the Linux kernel code: tools/power turbostat.8: pm_domain wording fix | Problem Details:
turbostat.8: clarify that uncore "domains" are Power Management domains,
aka pm_domains.
Signed-off-by: Len Brown <len.brown@intel.com> | ```diff
diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8
index 183d9c0fb315..fb11108aaf42 100644
--- a/tools/power/x86/turbostat/turbostat.8
+++ b/tools/power/x86/turbostat/turbostat.8
@@ -204,8 +204,8 @@ The system configuration dump (if --quiet is not used) is followed by sta... |
394c1127abd9e8ee829bbfaddb959728d60b0cdc | Analyze and fix the following issue in the Linux kernel code: tools/power turbostat.8: fix typo: idle_pct should be pct_idle | Problem Details:
idle_pct should be pct_idle
Signed-off-by: Len Brown <len.brown@intel.com> | ```diff
diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8
index b74ed916057e..183d9c0fb315 100644
--- a/tools/power/x86/turbostat/turbostat.8
+++ b/tools/power/x86/turbostat/turbostat.8
@@ -100,7 +100,7 @@ The column name "all" can be used to enable all disabled-by-default built... |
f3fe49dbddd73f0155a8935af47cb63693069dbe | Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: fix uaf in ath12k_core_init() | Problem Details:
When the execution of ath12k_core_hw_group_assign() or
ath12k_core_hw_group_create() fails, the registered notifier chain is not
unregistered properly. Its memory is freed after rmmod, which may trigger
to a use-after-free (UAF) issue if there is a subsequent access to this
notifier chain.
Fixes the i... | ```diff
diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c
index 31d851d8e688..ebc0560d40e3 100644
--- a/drivers/net/wireless/ath/ath12k/core.c
+++ b/drivers/net/wireless/ath/ath12k/core.c
@@ -2129,7 +2129,8 @@ int ath12k_core_init(struct ath12k_base *ab)
if (!ag) {
mutex_... |
b6bca6d7149e0bc1a56e831af0296d45688945ec | Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: Fix hal_reo_cmd_status kernel-doc | Problem Details:
Currently a warning is reported when running:
% scripts/kernel-doc -Wall -Werror -none drivers/net/wireless/ath/ath12k/hal.h
Warning: drivers/net/wireless/ath/ath12k/hal.h:596 Enum value 'HAL_REO_CMD_RESOURCE_BLOCKED' not described in enum 'hal_reo_cmd_status'
Add the missing description of HAL_REO_C... | ```diff
diff --git a/drivers/net/wireless/ath/ath12k/hal.h b/drivers/net/wireless/ath/ath12k/hal.h
index 0ee9c6b26dab..c1750b5dc03c 100644
--- a/drivers/net/wireless/ath/ath12k/hal.h
+++ b/drivers/net/wireless/ath/ath12k/hal.h
@@ -585,7 +585,8 @@ enum hal_reo_cmd_type {
* or cache was blocked
* @HAL_REO_CMD_FAIL... |
7588a893cde5385ad308400ff167d29a29913b3a | Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: fix GCC_GCC_PCIE_HOT_RST definition for WCN7850 | Problem Details:
GCC_GCC_PCIE_HOT_RST is wrongly defined for WCN7850, causing kernel crash
on some specific platforms.
Since this register is divergent for WCN7850 and QCN9274, move it to
register table to allow different definitions. Then correct the register
address for WCN7850 to fix this issue.
Note IPQ5332 is no... | ```diff
diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c
index 7e2cf0fb2085..8254dc10b53b 100644
--- a/drivers/net/wireless/ath/ath12k/hw.c
+++ b/drivers/net/wireless/ath/ath12k/hw.c
@@ -951,6 +951,8 @@ static const struct ath12k_hw_regs qcn9274_v1_regs = {
.hal_umac_ce0_dest_r... |
b0d226a60856a1b765bb9a3848c7b2322fd08c47 | Analyze and fix the following issue in the Linux kernel code: wifi: ath11k: validate ath11k_crypto_mode on top of ath11k_core_qmi_firmware_ready | Problem Details:
if ath11k_crypto_mode is invalid (not ATH11K_CRYPT_MODE_SW/ATH11K_CRYPT_MODE_HW),
ath11k_core_qmi_firmware_ready() will not undo some actions that was previously
started/configured. Do the validation as soon as possible in order to avoid
undoing actions in that case and also to fix the following smatch... | ```diff
diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c
index c8c5008be7f2..22a101136135 100644
--- a/drivers/net/wireless/ath/ath11k/core.c
+++ b/drivers/net/wireless/ath/ath11k/core.c
@@ -2135,6 +2135,20 @@ int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab)
{
in... |
72610ed7d79da17ee09102534d6c696a4ea8a08e | Analyze and fix the following issue in the Linux kernel code: wifi: ath11k: move some firmware stats related functions outside of debugfs | Problem Details:
Commit b488c766442f ("ath11k: report rssi of each chain to mac80211 for QCA6390/WCN6855")
and commit c3b39553fc77 ("ath11k: add signal report to mac80211 for QCA6390 and WCN6855")
call debugfs functions in mac ops. Those functions are no-ops if CONFIG_ATH11K_DEBUGFS is
not enabled, thus cause wrong sta... | ```diff
diff --git a/drivers/net/wireless/ath/ath11k/debugfs.c b/drivers/net/wireless/ath/ath11k/debugfs.c
index ccf0e62c7d7a..5d46f8e4c231 100644
--- a/drivers/net/wireless/ath/ath11k/debugfs.c
+++ b/drivers/net/wireless/ath/ath11k/debugfs.c
@@ -93,58 +93,14 @@ void ath11k_debugfs_add_dbring_entry(struct ath11k *ar,
... |
3b6d00fa883075dcaf49221538230e038a9c0b43 | Analyze and fix the following issue in the Linux kernel code: wifi: ath11k: don't wait when there is no vdev started | Problem Details:
For WMI_REQUEST_VDEV_STAT request, firmware might split response into
multiple events dut to buffer limit, hence currently in
ath11k_debugfs_fw_stats_process() we wait until all events received.
In case there is no vdev started, this results in that below condition
would never get satisfied
((++ar->f... | ```diff
diff --git a/drivers/net/wireless/ath/ath11k/debugfs.c b/drivers/net/wireless/ath/ath11k/debugfs.c
index 27c93c0b4c22..ccf0e62c7d7a 100644
--- a/drivers/net/wireless/ath/ath11k/debugfs.c
+++ b/drivers/net/wireless/ath/ath11k/debugfs.c
@@ -107,7 +107,7 @@ void ath11k_debugfs_fw_stats_process(struct ath11k *ar, s... |
2bcf73b2612dda7432f2c2eaad6679bd291791f2 | Analyze and fix the following issue in the Linux kernel code: wifi: ath11k: don't use static variables in ath11k_debugfs_fw_stats_process() | Problem Details:
Currently ath11k_debugfs_fw_stats_process() is using static variables to count
firmware stat events. Taking num_vdev as an example, if for whatever reason (
say ar->num_started_vdevs is 0 or firmware bug etc.) the following condition
(++num_vdev) == total_vdevs_started
is not met, is_end is not set ... | ```diff
diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h
index 41bb81d00189..6b2f207975e3 100644
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -600,6 +600,8 @@ struct ath11k_fw_stats {
struct list_head pdevs;
struct list_head... |
9f6e82d11bb9692a90d20b10f87345598945c803 | Analyze and fix the following issue in the Linux kernel code: wifi: ath11k: avoid burning CPU in ath11k_debugfs_fw_stats_request() | Problem Details:
We get report [1] that CPU is running a hot loop in
ath11k_debugfs_fw_stats_request():
94.60% 0.00% i3status [kernel.kallsyms] [k] do_syscall_64
|
--94.60%--do_syscall_64
|
--94.55%--__sys_sendmsg
... | ```diff
diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c
index 2e9f8a5e61e4..c8c5008be7f2 100644
--- a/drivers/net/wireless/ath/ath11k/core.c
+++ b/drivers/net/wireless/ath/ath11k/core.c
@@ -990,6 +990,7 @@ void ath11k_fw_stats_init(struct ath11k *ar)
INIT_LIST_HEAD(&ar->fw... |
593963660919a97a4546acfd706dac93625724f5 | Analyze and fix the following issue in the Linux kernel code: wil6210: fix support for sparrow chipsets | Problem Details:
the wil6210 driver irq handling code is unconditionally writing
edma irq registers which are supposed to be only used on Talyn chipsets.
This however leade to a chipset hang on the older sparrow chipset
generation and firmware will not even boot.
Fix that by simply checking for edma support before hand... | ```diff
diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c
index 67172385a5d6..89d4394cedcf 100644
--- a/drivers/net/wireless/ath/wil6210/interrupt.c
+++ b/drivers/net/wireless/ath/wil6210/interrupt.c
@@ -179,9 +179,11 @@ void wil_mask_irq(struct wil6210_priv *wil)
... |
1650d32b92b01db03a1a95d69ee74fcbc34d4b00 | Analyze and fix the following issue in the Linux kernel code: ath10k: snoc: fix unbalanced IRQ enable in crash recovery | Problem Details:
In ath10k_snoc_hif_stop() we skip disabling the IRQs in the crash
recovery flow, but we still unconditionally call enable again in
ath10k_snoc_hif_start().
We can't check the ATH10K_FLAG_CRASH_FLUSH bit since it is cleared
before hif_start() is called, so instead check the
ATH10K_SNOC_FLAG_RECOVERY fl... | ```diff
diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c
index 866bad2db334..65673b1aba55 100644
--- a/drivers/net/wireless/ath/ath10k/snoc.c
+++ b/drivers/net/wireless/ath/ath10k/snoc.c
@@ -937,7 +937,9 @@ static int ath10k_snoc_hif_start(struct ath10k *ar)
dev_set_threa... |
8a3682601ddaa4ef0c400f627a7f4b9388bbccef | Analyze and fix the following issue in the Linux kernel code: sh: kprobes: Remove unused variables in kprobe_exceptions_notify() | Problem Details:
kbuild reports the following warning:
arch/sh/kernel/kprobes.c: In function 'kprobe_exceptions_notify':
>> arch/sh/kernel/kprobes.c:412:24: warning: variable 'p' set but not used [-Wunused-but-set-variable]
412 | struct kprobe *p = NULL;
| ^
The variabl... | ```diff
diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c
index 49c4ffd782d6..a250fb1b9420 100644
--- a/arch/sh/kernel/kprobes.c
+++ b/arch/sh/kernel/kprobes.c
@@ -404,13 +404,10 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
int __kprobes kprobe_exceptions_notify(struct notifie... |
c50a04f8f45c7f13972f9097622d1d929033ea8c | Analyze and fix the following issue in the Linux kernel code: genksyms: Fix enum consts from a reference affecting new values | Problem Details:
Enumeration constants read from a symbol reference file can incorrectly
affect new enumeration constants parsed from an actual input file.
Example:
$ cat test.c
enum { E_A, E_B, E_MAX };
struct bar { int mem[E_MAX]; };
int foo(struct bar *a) {}
__GENKSYMS_EXPORT_SYMBOL(foo);
$ cat test.c | ./s... | ```diff
diff --git a/scripts/genksyms/genksyms.c b/scripts/genksyms/genksyms.c
index 8b0d7ac73dbb..83e48670c2fc 100644
--- a/scripts/genksyms/genksyms.c
+++ b/scripts/genksyms/genksyms.c
@@ -181,13 +181,9 @@ static int is_unknown_symbol(struct symbol *sym)
strcmp(defn->string, "{") == 0);
}
-static struct symbol... |
12f147ddd6de7382dad54812e65f3f08d05809fc | Analyze and fix the following issue in the Linux kernel code: do_change_type(): refuse to operate on unmounted/not ours mounts | Problem Details:
Ensure that propagation settings can only be changed for mounts located
in the caller's mount namespace. This change aligns permission checking
with the rest of mount(2).
Reviewed-by: Christian Brauner <brauner@kernel.org>
Fixes: 07b20889e305 ("beginning of the shared-subtree proper")
Reported-by: "Or... | ```diff
diff --git a/fs/namespace.c b/fs/namespace.c
index 1c54c16c7bab..2721d64ecfdf 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2959,6 +2959,10 @@ static int do_change_type(struct path *path, int ms_flags)
return -EINVAL;
namespace_lock();
+ if (!check_mnt(mnt)) {
+ err = -EINVAL;
+ goto out_unlock;... |
c28f922c9dcee0e4876a2c095939d77fe7e15116 | Analyze and fix the following issue in the Linux kernel code: clone_private_mnt(): make sure that caller has CAP_SYS_ADMIN in the right userns | Problem Details:
What we want is to verify there is that clone won't expose something
hidden by a mount we wouldn't be able to undo. "Wouldn't be able to undo"
may be a result of MNT_LOCKED on a child, but it may also come from
lacking admin rights in the userns of the namespace mount belongs to.
clone_private_mnt() ... | ```diff
diff --git a/fs/namespace.c b/fs/namespace.c
index 2e939b783618..1c54c16c7bab 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2510,6 +2510,9 @@ struct vfsmount *clone_private_mount(const struct path *path)
return ERR_PTR(-EINVAL);
}
+ if (!ns_capable(old_mnt->mnt_ns->user_ns, CAP_SYS_ADMIN))... |
290da20e333955637f00647d9fff7c6e3c0b61e0 | Analyze and fix the following issue in the Linux kernel code: do_move_mount(): split the checks in subtree-of-our-ns and entire-anon cases | Problem Details:
... and fix the breakage in anon-to-anon case. There are two cases
acceptable for do_move_mount() and mixing checks for those is making
things hard to follow.
One case is move of a subtree in caller's namespace.
* source and destination must be in caller's namespace
* source must be detachab... | ```diff
diff --git a/fs/namespace.c b/fs/namespace.c
index 854099aafed5..2e939b783618 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -3656,37 +3656,41 @@ static int do_move_mount(struct path *old_path,
ns = old->mnt_ns;
err = -EINVAL;
- if (!may_use_mount(p))
- goto out;
-
/* The thing moved must be mount... |
4954346d80fb047cb78776d9f2ebd6a050f80c5f | Analyze and fix the following issue in the Linux kernel code: fs: allow clone_private_mount() for a path on real rootfs | Problem Details:
Mounting overlayfs with a directory on real rootfs (initramfs)
as upperdir has failed with following message since commit
db04662e2f4f ("fs: allow detached mounts in clone_private_mount()").
[ 4.080134] overlayfs: failed to clone upperpath
Overlayfs mount uses clone_private_mount() to create int... | ```diff
diff --git a/fs/namespace.c b/fs/namespace.c
index 6c94ecbe2c2c..854099aafed5 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2493,18 +2493,19 @@ struct vfsmount *clone_private_mount(const struct path *path)
if (IS_MNT_UNBINDABLE(old_mnt))
return ERR_PTR(-EINVAL);
- if (mnt_has_parent(old_mnt)) {
- ... |
d8cc0362f918d020ca1340d7694f07062dc30f36 | Analyze and fix the following issue in the Linux kernel code: fix propagation graph breakage by MOVE_MOUNT_SET_GROUP move_mount(2) | Problem Details:
9ffb14ef61ba "move_mount: allow to add a mount into an existing group"
breaks assertions on ->mnt_share/->mnt_slave. For once, the data structures
in question are actually documented.
Documentation/filesystem/sharedsubtree.rst:
All vfsmounts in a peer group have the same ->mnt_master. If it ... | ```diff
diff --git a/fs/namespace.c b/fs/namespace.c
index 1722deadfb88..6c94ecbe2c2c 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -3453,7 +3453,7 @@ static int do_set_group(struct path *from_path, struct path *to_path)
if (IS_MNT_SLAVE(from)) {
struct mount *m = from->mnt_master;
- list_add(&to->mnt_sla... |
bab77c0d191e241d2d59a845c7ed68bfa6e1b257 | Analyze and fix the following issue in the Linux kernel code: finish_automount(): don't leak MNT_LOCKED from parent to child | Problem Details:
Intention for MNT_LOCKED had always been to protect the internal
mountpoints within a subtree that got copied across the userns boundary,
not the mountpoint that tree got attached to - after all, it _was_
exposed before the copying.
For roots of secondary copies that is enforced in attach_recursive_mn... | ```diff
diff --git a/include/linux/mount.h b/include/linux/mount.h
index 6904ad33ee7a..1a3136e53eaa 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -65,7 +65,8 @@ enum mount_flags {
MNT_ATIME_MASK = MNT_NOATIME | MNT_NODIRATIME | MNT_RELATIME,
MNT_INTERNAL_FLAGS = MNT_SHARED | MNT_WRITE_HOLD | M... |
5f31c549382bcddbbd754c72c5433b19420d485d | Analyze and fix the following issue in the Linux kernel code: path_overmount(): avoid false negatives | Problem Details:
Holding namespace_sem is enough to make sure that result remains valid.
It is *not* enough to avoid false negatives from __lookup_mnt(). Mounts
can be unhashed outside of namespace_sem (stuck children getting detached
on final mntput() of lazy-umounted mount) and having an unrelated mount
removed from... | ```diff
diff --git a/fs/namespace.c b/fs/namespace.c
index a33553bc12d0..1722deadfb88 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -3478,18 +3478,25 @@ out:
* Check if path is overmounted, i.e., if there's a mount on top of
* @path->mnt with @path->dentry as mountpoint.
*
- * Context: This function expects... |
1f282cdc1d219c4a557f7009e81bc792820d9d9a | Analyze and fix the following issue in the Linux kernel code: fs/fhandle.c: fix a race in call of has_locked_children() | Problem Details:
may_decode_fh() is calling has_locked_children() while holding no locks.
That's an oopsable race...
The rest of the callers are safe since they are holding namespace_sem and
are guaranteed a positive refcount on the mount in question.
Rename the current has_locked_children() to __has_locked_children(... | ```diff
diff --git a/fs/namespace.c b/fs/namespace.c
index 7c0ebc4f4ef2..a33553bc12d0 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2425,7 +2425,7 @@ void drop_collected_mounts(struct vfsmount *mnt)
namespace_unlock();
}
-bool has_locked_children(struct mount *mnt, struct dentry *dentry)
+static bool __has_... |
f78fb2576f22b0ba5297412a9aa7691920666c41 | Analyze and fix the following issue in the Linux kernel code: platform/loongarch: laptop: Unregister generic_sub_drivers on exit | Problem Details:
Without correct unregisteration, ACPI notify handlers and the platform
drivers installed by generic_subdriver_init() will become dangling
references after removing the loongson_laptop module, triggering various
kernel faults when a hotkey is sent or at kernel shutdown.
Cc: stable@vger.kernel.org
Fixes... | ```diff
diff --git a/drivers/platform/loongarch/loongson-laptop.c b/drivers/platform/loongarch/loongson-laptop.c
index 9ba4c06252b6..61b18ac206c9 100644
--- a/drivers/platform/loongarch/loongson-laptop.c
+++ b/drivers/platform/loongarch/loongson-laptop.c
@@ -612,11 +612,17 @@ static int __init generic_acpi_laptop_init(... |
53c762b47f726e4079a1f06f684bce2fc0d56fba | Analyze and fix the following issue in the Linux kernel code: platform/loongarch: laptop: Add backlight power control support | Problem Details:
loongson_laptop_turn_{on,off}_backlight() are designed for controlling
the power of the backlight, but they aren't really used in the driver
previously.
Unify these two functions since they only differ in arguments passed to
ACPI method, and wire up loongson_laptop_backlight_update() to update
the pow... | ```diff
diff --git a/drivers/platform/loongarch/loongson-laptop.c b/drivers/platform/loongarch/loongson-laptop.c
index ba9a90818c92..9ba4c06252b6 100644
--- a/drivers/platform/loongarch/loongson-laptop.c
+++ b/drivers/platform/loongarch/loongson-laptop.c
@@ -56,8 +56,7 @@ static struct input_dev *generic_inputdev;
sta... |
e41079f53e8792c99cc8888f545c31bc341ea9ac | Analyze and fix the following issue in the Linux kernel code: Documentation: Fix spelling mistake. | Problem Details:
Fix typo "desination => destination"
in file
Documentation/bpf/standardization/instruction-set.rst
Signed-off-by: Eslam Khafagy <eslam.medhat1993@gmail.com>
Acked-by: Dave Thaler <dthaler1968@gmail.com>
Acked-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/r/20250606100511.368450-1... | ```diff
diff --git a/Documentation/bpf/standardization/instruction-set.rst b/Documentation/bpf/standardization/instruction-set.rst
index fbe975585236..ac950a5bb6ad 100644
--- a/Documentation/bpf/standardization/instruction-set.rst
+++ b/Documentation/bpf/standardization/instruction-set.rst
@@ -350,9 +350,9 @@ Underflow... |
bbc7bd658ddc662083639b9e9a280b90225ecd9a | Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix a user_ringbuf failure with arm64 64KB page size | Problem Details:
The ringbuf max_entries must be PAGE_ALIGNED. See kernel function
ringbuf_map_alloc(). So for arm64 64KB page size, adjust max_entries
properly.
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20250607013626.1553001-1-yonghong.song@linux.dev
Signed-off-by: Alexei... | ```diff
diff --git a/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c b/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c
index d424e7ecbd12..9fd3ae987321 100644
--- a/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c
+++ b/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c
@@ -21,8 +21,7 @@
#include "... |
8c8c5e3c854a2593ec90dacd868f3066b67de1c4 | Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix ringbuf/ringbuf_write test failure with arm64 64KB page size | Problem Details:
The ringbuf max_entries must be PAGE_ALIGNED. See kernel function
ringbuf_map_alloc(). So for arm64 64KB page size, adjust max_entries
and other related metrics properly.
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20250607013621.1552332-1-yonghong.song@linux... | ```diff
diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf.c b/tools/testing/selftests/bpf/prog_tests/ringbuf.c
index da430df45aa4..d1e4cb28a72c 100644
--- a/tools/testing/selftests/bpf/prog_tests/ringbuf.c
+++ b/tools/testing/selftests/bpf/prog_tests/ringbuf.c
@@ -97,7 +97,7 @@ static void ringbuf_write_subte... |
377d3715900c1f465a5ea8a6a11bcbdc42b18668 | Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix bpf_mod_race test failure with arm64 64KB page size | Problem Details:
Currently, uffd_register.range.len is set to 4096 for command
'ioctl(uffd, UFFDIO_REGISTER, &uffd_register)'. For arm64 64KB page size,
the len must be 64KB size aligned as page size alignment is required.
See fs/userfaultfd.c:validate_unaligned_range().
Signed-off-by: Yonghong Song <yonghong.song@lin... | ```diff
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_mod_race.c b/tools/testing/selftests/bpf/prog_tests/bpf_mod_race.c
index fe2c502e5089..ecc3d47919ad 100644
--- a/tools/testing/selftests/bpf/prog_tests/bpf_mod_race.c
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_mod_race.c
@@ -78,7 +78,7 @@ static int ... |
de6fdc076d39c97c0f7ed4873bfc84f58909f479 | Analyze and fix the following issue in the Linux kernel code: tracing: PM: Remove unused clock events | Problem Details:
The events clock_enable, clock_disable, and clock_set_rate were added back
in 2010. In 2011 they were used by the arm architecture but removed in
2013. These events add around 7K of memory which was wasted for the last 12
years.
Remove them.
Link: https://lore.kernel.org/all/20250529130138.544ffec4@g... | ```diff
diff --git a/include/trace/events/power.h b/include/trace/events/power.h
index 9253e83b9bb4..6c631eec23e3 100644
--- a/include/trace/events/power.h
+++ b/include/trace/events/power.h
@@ -337,53 +337,6 @@ DEFINE_EVENT(wakeup_source, wakeup_source_deactivate,
TP_ARGS(name, state)
);
-/*
- * The clock events ... |
40ee2afafc1d9fe3aa44a6fbe440d78a5c96a72e | Analyze and fix the following issue in the Linux kernel code: ring-buffer: Fix buffer locking in ring_buffer_subbuf_order_set() | Problem Details:
Enlarge the critical section in ring_buffer_subbuf_order_set() to
ensure that error handling takes place with per-buffer mutex held,
thus preventing list corruption and other concurrency-related issues.
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathie... | ```diff
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index e24509bd0af5..00fc38d70e86 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -6795,7 +6795,7 @@ int ring_buffer_subbuf_order_set(struct trace_buffer *buffer, int order)
old_size = buffer->subbuf_size;
/* p... |
a9d0aab5eb33a44792a66b7af13ff50d7b3e7022 | Analyze and fix the following issue in the Linux kernel code: tracing: Fix regression of filter waiting a long time on RCU synchronization | Problem Details:
When faultable trace events were added, a trace event may no longer use
normal RCU to synchronize but instead used synchronize_rcu_tasks_trace().
This synchronization takes a much longer time to synchronize.
The filter logic would free the filters by calling
tracepoint_synchronize_unregister() after i... | ```diff
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 2048560264bb..711520081741 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -1335,22 +1335,139 @@ static void filter_free_subsystem_preds(struct trace_subsystem_dir *dir,
}
}
... |
02670deede2288d8e4e3d800477b27c091080fae | Analyze and fix the following issue in the Linux kernel code: libbpf: Handle unsupported mmap-based /sys/kernel/btf/vmlinux correctly | Problem Details:
libbpf_err_ptr() helpers are meant to return NULL and set errno, if
there is an error. But btf_parse_raw_mmap() is meant to be used
internally and is expected to return ERR_PTR() values. Because of this
mismatch, when libbpf tries to mmap /sys/kernel/btf/vmlinux, we don't
detect the error correctly wit... | ```diff
diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c
index f1d495dc66bb..37682908cb0f 100644
--- a/tools/lib/bpf/btf.c
+++ b/tools/lib/bpf/btf.c
@@ -1384,12 +1384,12 @@ static struct btf *btf_parse_raw_mmap(const char *path, struct btf *base_btf)
fd = open(path, O_RDONLY);
if (fd < 0)
- return libbpf_e... |
bfb114751af9f44bc0fdd595bc09b085c81cc61f | Analyze and fix the following issue in the Linux kernel code: drm/xe/topology: Stop trying to fix programming mistakes | Problem Details:
We shouldn't ever pass more DSS registers than our hardcoded limit,
it should be sufficient to just assert that instead of trying to
fix it, as this will never happen in the production driver.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Revie... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_gt_topology.c b/drivers/gpu/drm/xe/xe_gt_topology.c
index 048743913b36..305939c69747 100644
--- a/drivers/gpu/drm/xe/xe_gt_topology.c
+++ b/drivers/gpu/drm/xe/xe_gt_topology.c
@@ -22,8 +22,7 @@ static void load_dss_mask(struct xe_gt *gt, xe_dss_mask_t mask, int numregs,
u32 ... |
11fcf368506d347088e613edf6cd2604d70c454f | Analyze and fix the following issue in the Linux kernel code: uapi: bitops: use UAPI-safe variant of BITS_PER_LONG again | Problem Details:
Commit 1e7933a575ed ("uapi: Revert "bitops: avoid integer overflow in GENMASK(_ULL)"")
did not take in account that the usage of BITS_PER_LONG in __GENMASK() was
changed to __BITS_PER_LONG for UAPI-safety in
commit 3c7a8e190bc5 ("uapi: introduce uapi-friendly macros for GENMASK").
BITS_PER_LONG can not... | ```diff
diff --git a/include/uapi/linux/bits.h b/include/uapi/linux/bits.h
index 682b406e1067..a04afef9efca 100644
--- a/include/uapi/linux/bits.h
+++ b/include/uapi/linux/bits.h
@@ -4,9 +4,9 @@
#ifndef _UAPI_LINUX_BITS_H
#define _UAPI_LINUX_BITS_H
-#define __GENMASK(h, l) (((~_UL(0)) << (l)) & (~_UL(0) >> (BITS_PE... |
c9b1150a68d9362a0827609fc0dc1664c0d8bfe1 | Analyze and fix the following issue in the Linux kernel code: drm/atomic-helper: Re-order bridge chain pre-enable and post-disable | Problem Details:
Move the bridge pre_enable call before crtc enable, and the bridge
post_disable call after the crtc disable.
The sequence of enable after this patch will look like:
bridge[n]_pre_enable
...
bridge[1]_pre_enable
crtc_enable
encoder_enable
bridge[1]_enable
...
bridge[n]_enable
And, the disab... | ```diff
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 539b7f072c72..2fe6c91910a1 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1336,9 +1336,9 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *state)
{
en... |
82cbd06f327f3c2ccdee990bd356c9303ae168f9 | Analyze and fix the following issue in the Linux kernel code: net: enetc: fix the netc-lib driver build dependency | Problem Details:
The kernel robot reported the following errors when the netc-lib driver
was compiled as a loadable module and the enetc-core driver was built-in.
ld.lld: error: undefined symbol: ntmp_init_cbdr
referenced by enetc_cbdr.c:88 (drivers/net/ethernet/freescale/enetc/enetc_cbdr.c:88)
ld.lld: error: undefine... | ```diff
diff --git a/drivers/net/ethernet/freescale/enetc/Kconfig b/drivers/net/ethernet/freescale/enetc/Kconfig
index e917132d3714..54b0f0a5a6bb 100644
--- a/drivers/net/ethernet/freescale/enetc/Kconfig
+++ b/drivers/net/ethernet/freescale/enetc/Kconfig
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
config FSL_E... |
1205088fd0393bd9eae96b62bf1e4b9eb1b73edf | Analyze and fix the following issue in the Linux kernel code: platform/loongarch: laptop: Get brightness setting from EC on probe | Problem Details:
Previously during driver probe, 1 is unconditionally taken as current
brightness value and set to props.brightness, which will be considered
as the brightness before suspend and restored to EC on resume. Since a
brightness value of 1 almost never matches EC's state on coldboot (my
laptop's EC defaults ... | ```diff
diff --git a/drivers/platform/loongarch/loongson-laptop.c b/drivers/platform/loongarch/loongson-laptop.c
index 99203584949d..ba9a90818c92 100644
--- a/drivers/platform/loongarch/loongson-laptop.c
+++ b/drivers/platform/loongarch/loongson-laptop.c
@@ -392,8 +392,8 @@ static int laptop_backlight_register(void)
... |
e242bbbb6d7ac7556aa1e358294dc7e3c82cc902 | Analyze and fix the following issue in the Linux kernel code: LoongArch: vDSO: Correctly use asm parameters in syscall wrappers | Problem Details:
The syscall wrappers use the "a0" register for two different register
variables, both the first argument and the return value. Here the "ret"
variable is used as both input and output while the argument register is
only used as input. Clang treats the conflicting input parameters as an
undefined behavi... | ```diff
diff --git a/arch/loongarch/include/asm/vdso/getrandom.h b/arch/loongarch/include/asm/vdso/getrandom.h
index 48c43f55b039..a81724b69f29 100644
--- a/arch/loongarch/include/asm/vdso/getrandom.h
+++ b/arch/loongarch/include/asm/vdso/getrandom.h
@@ -20,7 +20,7 @@ static __always_inline ssize_t getrandom_syscall(vo... |
94ac529a9932654c0b8cbff29745c8417978a7d0 | Analyze and fix the following issue in the Linux kernel code: drm/panthor: Fix the user MMIO offset logic for emulators | Problem Details:
Currently, we pick the MMIO offset based on the size of the pgoff_t
type seen by the process that manipulates the FD, such that a 32-bit
process can always map the user MMIO ranges. But this approach doesn't
work well for emulators like FEX, where the emulator is a 64-bit binary
which might be executin... | ```diff
diff --git a/drivers/gpu/drm/panthor/panthor_device.h b/drivers/gpu/drm/panthor/panthor_device.h
index 465d3ab1b79e..a4ce2a4c626d 100644
--- a/drivers/gpu/drm/panthor/panthor_device.h
+++ b/drivers/gpu/drm/panthor/panthor_device.h
@@ -230,6 +230,24 @@ struct panthor_file {
/** @ptdev: Device attached to this ... |
95cbab48782bf62e4093837dc15ac6133902c12f | Analyze and fix the following issue in the Linux kernel code: drm/panthor: Add missing explicit padding in drm_panthor_gpu_info | Problem Details:
drm_panthor_gpu_info::shader_present is currently automatically offset
by 4 byte to meet Arm's 32-bit/64-bit field alignment rules, but those
constraints don't stand on 32-bit x86 and cause a mismatch when running
an x86 binary in a user emulated environment like FEX. It's also
generally agreed that uA... | ```diff
diff --git a/include/uapi/drm/panthor_drm.h b/include/uapi/drm/panthor_drm.h
index ad9a70afea6c..3a76c4f2882b 100644
--- a/include/uapi/drm/panthor_drm.h
+++ b/include/uapi/drm/panthor_drm.h
@@ -296,6 +296,9 @@ struct drm_panthor_gpu_info {
/** @as_present: Bitmask encoding the number of address-space exposed... |
b828b4bf29d10a3e505a76a39c4daea969e19dc9 | Analyze and fix the following issue in the Linux kernel code: ceph: fix variable dereferenced before check in ceph_umount_begin() | Problem Details:
smatch warnings:
fs/ceph/super.c:1042 ceph_umount_begin() warn: variable dereferenced before check 'fsc' (see line 1041)
vim +/fsc +1042 fs/ceph/super.c
void ceph_umount_begin(struct super_block *sb)
{
struct ceph_fs_client *fsc = ceph_sb_to_fs_client(sb);
doutc(fsc->client, "starting forced umoun... | ```diff
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index fc4cab8b7b77..2b8438d8a324 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -1033,8 +1033,7 @@ void ceph_umount_begin(struct super_block *sb)
struct ceph_fs_client *fsc = ceph_sb_to_fs_client(sb);
doutc(fsc->client, "starting forced umount\n");
- i... |
800d0b9b6a8b1b354637b4194cc167ad1ce2bdd3 | Analyze and fix the following issue in the Linux kernel code: fs/xattr.c: fix simple_xattr_list() | Problem Details:
commit 8b0ba61df5a1 ("fs/xattr.c: fix simple_xattr_list to always
include security.* xattrs") failed to reset err after the call to
security_inode_listsecurity(), which returns the length of the
returned xattr name. This results in simple_xattr_list() incorrectly
returning this length even if a POSIX a... | ```diff
diff --git a/fs/xattr.c b/fs/xattr.c
index 8ec5b0204bfd..600ae97969cf 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -1479,6 +1479,7 @@ ssize_t simple_xattr_list(struct inode *inode, struct simple_xattrs *xattrs,
buffer += err;
}
remaining_size -= err;
+ err = 0;
read_lock(&xattrs->lock);
for (rbp = r... |
2da20fd904f87f7bb31b79719bc3dda4093f8cdb | Analyze and fix the following issue in the Linux kernel code: kernel/rcu/tree_stall: add /sys/kernel/rcu_stall_count | Problem Details:
Expose a simple counter to userspace for monitoring tools.
(akpm: 2536c5c7d6ae added the documentation but the code changes were lost)
Link: https://lkml.kernel.org/r/20250504180831.4190860-3-max.kellermann@ionos.com
Fixes: 2536c5c7d6ae ("kernel/rcu/tree_stall: add /sys/kernel/rcu_stall_count")
Signe... | ```diff
diff --git a/kernel/rcu/tree_stall.h b/kernel/rcu/tree_stall.h
index 56b21219442b..486c00536207 100644
--- a/kernel/rcu/tree_stall.h
+++ b/kernel/rcu/tree_stall.h
@@ -20,6 +20,28 @@
int sysctl_panic_on_rcu_stall __read_mostly;
int sysctl_max_rcu_stall_to_panic __read_mostly;
+#ifdef CONFIG_SYSFS
+
+static u... |
1013af4f585fccc4d3e5c5824d174de2257f7d6d | Analyze and fix the following issue in the Linux kernel code: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race | Problem Details:
huge_pmd_unshare() drops a reference on a page table that may have
previously been shared across processes, potentially turning it into a
normal page table used in another process in which unrelated VMAs can
afterwards be installed.
If this happens in the middle of a concurrent gup_fast(), gup_fast() ... | ```diff
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 7ba020d489d4..8746ed2fec13 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -7629,6 +7629,13 @@ int huge_pmd_unshare(struct mm_struct *mm, struct vm_area_struct *vma,
return 0;
pud_clear(pud);
+ /*
+ * Once our caller drops the rmap lock, some other process ... |
081056dc00a27bccb55ccc3c6f230a3d5fd3f7e0 | Analyze and fix the following issue in the Linux kernel code: mm/hugetlb: unshare page tables during VMA split, not before | Problem Details:
Currently, __split_vma() triggers hugetlb page table unsharing through
vm_ops->may_split(). This happens before the VMA lock and rmap locks are
taken - which is too early, it allows racing VMA-locked page faults in our
process and racing rmap walks from other processes to cause page tables to
be share... | ```diff
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 0598f36931de..42f374e828a2 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -279,6 +279,7 @@ bool is_hugetlb_entry_migration(pte_t pte);
bool is_hugetlb_entry_hwpoisoned(pte_t pte);
void hugetlb_unshare_all_pmds(struct v... |
334d7c4fb60cf21e0abac134d92fe49e9b04377e | Analyze and fix the following issue in the Linux kernel code: iov_iter: use iov_offset for length calculation in iov_iter_aligned_bvec | Problem Details:
If iov_offset is non-zero, then we need to consider iov_offset in length
calculation, otherwise we might pass smaller IOs such as 512 bytes, in
below scenario [1].
This issue is reproducible using lib-uring test/fixed-seg.c application
with fixed buffer on a 512 LBA formatted device.
[1]
At present ... | ```diff
diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index 969d4ad510df..f9193f952f49 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -817,7 +817,7 @@ static bool iov_iter_aligned_bvec(const struct iov_iter *i, unsigned addr_mask,
size_t size = i->count;
do {
- size_t len = bvec->bv_len;
+ size_t len = bvec... |
41ffaa0ea76206e4fb7589a5a499e6752c33188a | Analyze and fix the following issue in the Linux kernel code: mm/mempolicy: fix incorrect freeing of wi_kobj | Problem Details:
We should not free wi_group->wi_kobj here. In the error path of
add_weighted_interleave_group() where this snippet is called from,
kobj_{del, put} is immediately called right after this section. Thus, it
is not only unnecessary but also incorrect to free it here.
Link: https://lkml.kernel.org/r/2025... | ```diff
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 72fd72e156b1..3b1dfd08338b 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -3708,15 +3708,13 @@ static void wi_state_free(void)
lockdep_is_held(&wi_state_lock));
if (!old_wi_state) {
mutex_unlock(&wi_state_lock);
- goto out;
+ return;
}
rcu... |
044d2aee6c575231ed4a24fb3d119bad0937488b | Analyze and fix the following issue in the Linux kernel code: alloc_tag: handle module codetag load errors as module load failures | Problem Details:
Failures inside codetag_load_module() are currently ignored. As a result
an error there would not cause a module load failure and freeing of the
associated resources. Correct this behavior by propagating the error code
to the caller and handling possible errors. With this change, error to
allocate p... | ```diff
diff --git a/include/linux/codetag.h b/include/linux/codetag.h
index 0ee4c21c6dbc..5f2b9a1f722c 100644
--- a/include/linux/codetag.h
+++ b/include/linux/codetag.h
@@ -36,8 +36,8 @@ union codetag_ref {
struct codetag_type_desc {
const char *section;
size_t tag_size;
- void (*module_load)(struct module *mod,... |
9c49e5d09f076001e05537734d7df002162eb2b5 | Analyze and fix the following issue in the Linux kernel code: mm/madvise: handle madvise_lock() failure during race unwinding | Problem Details:
When unwinding race on -ERESTARTNOINTR handling of process_madvise(),
madvise_lock() failure is ignored. Check the failure and abort remaining
works in the case.
Link: https://lkml.kernel.org/r/20250602174926.1074-1-sj@kernel.org
Fixes: 4000e3d0a367 ("mm/madvise: remove redundant mmap_lock operations... | ```diff
diff --git a/mm/madvise.c b/mm/madvise.c
index 8433ac9b27e0..5f7a66a1617e 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -1881,7 +1881,9 @@ static ssize_t vector_madvise(struct mm_struct *mm, struct iov_iter *iter,
/* Drop and reacquire lock to unwind race. */
madvise_finish_tlb(&madv_behavior);
ma... |
684088173b1852e5f5891a7b2a124b7974cb827d | Analyze and fix the following issue in the Linux kernel code: mm: fix vmstat after removing NR_BOUNCE | Problem Details:
Hongyu noticed that the nr_unaccepted counter kept growing even in the
absence of unaccepted memory on the machine.
This happens due to a commit that removed NR_BOUNCE: it removed the
counter from the enum zone_stat_item, but left it in the vmstat_text
array.
As a result, all counters below nr_bounce... | ```diff
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 6f740f070b3d..429ae5339bfe 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1201,7 +1201,6 @@ const char * const vmstat_text[] = {
"nr_zone_unevictable",
"nr_zone_write_pending",
"nr_mlock",
- "nr_bounce",
#if IS_ENABLED(CONFIG_ZSMALLOC)
"nr_zspages",
#endif
... |
15ac613f124e51a6623975efad9657b1f3ee47e7 | Analyze and fix the following issue in the Linux kernel code: KVM: s390: rename PROT_NONE to PROT_TYPE_DUMMY | Problem Details:
The enum type prot_type declared in arch/s390/kvm/gaccess.c declares an
unfortunate identifier within it - PROT_NONE.
This clashes with the protection bit define from the uapi for mmap()
declared in include/uapi/asm-generic/mman-common.h, which is indeed what
those casually reading this code would ass... | ```diff
diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c
index e23670e1949c..21c2e61fece4 100644
--- a/arch/s390/kvm/gaccess.c
+++ b/arch/s390/kvm/gaccess.c
@@ -319,7 +319,7 @@ enum prot_type {
PROT_TYPE_DAT = 3,
PROT_TYPE_IEP = 4,
/* Dummy value for passing an initialized value when code != PGM_P... |
2b12d06c37fd3a394376f42f026a7478d826ed63 | Analyze and fix the following issue in the Linux kernel code: mm: fix uprobe pte be overwritten when expanding vma | Problem Details:
Patch series "Fix uprobe pte be overwritten when expanding vma".
This patch (of 4):
We encountered a BUG alert triggered by Syzkaller as follows:
BUG: Bad rss-counter state mm:00000000b4a60fca type:MM_ANONPAGES val:1
And we can reproduce it with the following steps:
1. register uprobe on file at... | ```diff
diff --git a/mm/vma.c b/mm/vma.c
index 1c6595f282e5..b2d7c03d8aa4 100644
--- a/mm/vma.c
+++ b/mm/vma.c
@@ -169,6 +169,9 @@ static void init_multi_vma_prep(struct vma_prepare *vp,
vp->file = vma->vm_file;
if (vp->file)
vp->mapping = vma->vm_file->f_mapping;
+
+ if (vmg && vmg->skip_vma_uprobe)
+ vp->skip... |
04c8970771b4f1f39bb8453a2eeb188c4d5edbd6 | Analyze and fix the following issue in the Linux kernel code: drm/nouveau/vfn/r535: Convert comma to semicolon | Problem Details:
Replace comma between expressions with semicolons.
Using a ',' in place of a ';' can have unintended side effects.
Although that is not the case here, it is seems best to use ';'
unless ',' is intended.
Found by inspection.
No functional change intended.
Compile tested only.
Signed-off-by: Chen Ni <... | ```diff
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/vfn/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/vfn/r535.c
index 9446049642e1..d294844d9eae 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/vfn/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/vfn/r535.c
@@ -42,7 +42,7 @@ r535_vfn_new(const struct nvkm_vfn_func... |
87f7ce260a3c838b49e1dc1ceedf1006795157a2 | Analyze and fix the following issue in the Linux kernel code: ptp: remove ptp->n_vclocks check logic in ptp_vclock_in_use() | Problem Details:
There is no disagreement that we should check both ptp->is_virtual_clock
and ptp->n_vclocks to check if the ptp virtual clock is in use.
However, when we acquire ptp->n_vclocks_mux to read ptp->n_vclocks in
ptp_vclock_in_use(), we observe a recursive lock in the call trace
starting from n_vclocks_stor... | ```diff
diff --git a/drivers/ptp/ptp_private.h b/drivers/ptp/ptp_private.h
index 18934e28469e..528d86a33f37 100644
--- a/drivers/ptp/ptp_private.h
+++ b/drivers/ptp/ptp_private.h
@@ -98,17 +98,7 @@ static inline int queue_cnt(const struct timestamp_event_queue *q)
/* Check if ptp virtual clock is in use */
static inl... |
692eb9f8a5b71d852e873375d20cf5da7a046ea6 | Analyze and fix the following issue in the Linux kernel code: net: dsa: b53: fix untagged traffic sent via cpu tagged with VID 0 | Problem Details:
When Linux sends out untagged traffic from a port, it will enter the CPU
port without any VLAN tag, even if the port is a member of a vlan
filtering bridge with a PVID egress untagged VLAN.
This makes the CPU port's PVID take effect, and the PVID's VLAN
table entry controls if the packet will be tagge... | ```diff
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 862bdccb7439..dc2f4adac9bc 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -2034,9 +2034,6 @@ int b53_br_join(struct dsa_switch *ds, int port, struct dsa_bridge bridge,
b53_get_vla... |
400123bd0107175e92a9780b97f7a5934eb0a991 | Analyze and fix the following issue in the Linux kernel code: dt-bindings: drm/bridge: ti-sn65dsi83: drop $ref to fix lvds-vod* warnings | Problem Details:
The kernel test robot reported a warning related to the use of "$ref"
type definitions for custom endpoint properties
- "ti,lvds-vod-swing-clock-microvolt" and
- "ti,lvds-vod-swing-data-microvolt".
Using "$ref" with "uint32-array" is not correctly handled in this
context. Removing "$ref" and relying s... | ```diff
diff --git a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml
index 9b5f3f3eab19..e69b6343a8eb 100644
--- a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml
+++ b/Documentation/devicetree/bindings/display/br... |
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