id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
8d86dc6a5bcd0f1d5b9364d43843f1bb4b15f57a | Analyze and fix the following issue in the Linux kernel code: Revert "drm/i915: Don't enable pipe/plane/VCO early (wait for DPMS on)." | Problem Details:
This reverts commit cfecde435dda78248d6fcdc424bed68d5db6be0b, since it
seems to cause some systems to not come up with any video output at all
(or video that only comes on when X starts up).
Fixes bugzilla:
http://bugzilla.kernel.org/show_bug.cgi?id=16163
Reported-and-tested-by: David John <davi... | ```diff
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2861da3aaf7e..cc8131ff319f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3653,6 +3653,11 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
pipeconf &= ~PIP... |
0b5649278e39a068aaf91399941bab1b4a4a3cc2 | Analyze and fix the following issue in the Linux kernel code: writeback: pay attention to wbc->nr_to_write in write_cache_pages | Problem Details:
If a filesystem writes more than one page in ->writepage, write_cache_pages
fails to notice this and continues to attempt writeback when wbc->nr_to_write
has gone negative - this trace was captured from XFS:
wbc_writeback_start: towrt=1024
wbc_writepage: towrt=1024
wbc_writepage: towrt=0
... | ```diff
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index f64134653a8c..d63ef8f9609f 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -56,15 +56,6 @@ struct writeback_control {
unsigned for_reclaim:1; /* Invoked from the page allocator */
unsigned range_cyclic:1; /* ... |
b9b76dfaac6fa2c289ee8a005be637afd2da7e2f | Analyze and fix the following issue in the Linux kernel code: tracing: Fix null pointer deref with SEND_SIG_FORCED | Problem Details:
BUG: unable to handle kernel NULL pointer dereference at
0000000000000006
IP: [<ffffffff8107bd37>] ftrace_raw_event_signal_generate+0x87/0x140
TP_STORE_SIGINFO() forgets about SEND_SIG_FORCED, fix.
We should probably export is_si_special() and change TP_STORE_SIGINFO()
to use it in the longer term.
... | ```diff
diff --git a/include/trace/events/signal.h b/include/trace/events/signal.h
index 814566c99d29..17df43464df0 100644
--- a/include/trace/events/signal.h
+++ b/include/trace/events/signal.h
@@ -10,7 +10,8 @@
#define TP_STORE_SIGINFO(__entry, info) \
do { \
- if (info == SEND_SIG_NOINFO) { \
+ if ... |
30dbb20e68e6f7df974b77d2350ebad5eb6f6c9e | Analyze and fix the following issue in the Linux kernel code: tracing: Remove boot tracer | Problem Details:
The boot tracer is useless. It simply logs the initcalls
but in fact these initcalls are also logged through printk
while using the initcall_debug kernel parameter.
Nobody seem to be using it so far. Then just remove it.
Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Cc: Chase Douglas <chase.dou... | ```diff
diff --git a/include/trace/boot.h b/include/trace/boot.h
deleted file mode 100644
index 088ea089e31d..000000000000
--- a/include/trace/boot.h
+++ /dev/null
@@ -1,60 +0,0 @@
-#ifndef _LINUX_TRACE_BOOT_H
-#define _LINUX_TRACE_BOOT_H
-
-#include <linux/module.h>
-#include <linux/kallsyms.h>
-#include <linux/init.h... |
c9cf4dbb4d9ca715d8fedf13301a53296429abc6 | Analyze and fix the following issue in the Linux kernel code: x86: Unify dumpstack.h and stacktrace.h | Problem Details:
arch/x86/include/asm/stacktrace.h and arch/x86/kernel/dumpstack.h
declare headers of objects that deal with the same topic.
Actually most of the files that include stacktrace.h also include
dumpstack.h
Although dumpstack.h seems more reserved for internals of stack
traces, those are quite often needed... | ```diff
diff --git a/arch/x86/include/asm/stacktrace.h b/arch/x86/include/asm/stacktrace.h
index 4dab78edbad9..a957463d3c7a 100644
--- a/arch/x86/include/asm/stacktrace.h
+++ b/arch/x86/include/asm/stacktrace.h
@@ -1,6 +1,13 @@
+/*
+ * Copyright (C) 1991, 1992 Linus Torvalds
+ * Copyright (C) 2000, 2001, 2002 Andi K... |
af0d5cb908f7f9adeb5d3d3dbef64c644bb6809c | Analyze and fix the following issue in the Linux kernel code: hp_sdc_rtc: fix broken ioctl conversion | Problem Details:
Commit 55929332c92 "drivers: Push down BKL into various drivers"
introduced a regression in hp_sdc_rtc, caused by a missing
change of the .unlocked_ioctl pointer to the newly introduced
function.
Fixes:
drivers/input/misc/hp_sdc_rtc.c:681: warning: initialization from
incompatible pointer type
dri... | ```diff
diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c
index e00a1cc79c0a..c19066479057 100644
--- a/drivers/input/misc/hp_sdc_rtc.c
+++ b/drivers/input/misc/hp_sdc_rtc.c
@@ -678,7 +678,7 @@ static const struct file_operations hp_sdc_rtc_fops = {
.llseek = no_llseek,
.... |
3a101d0548e925ab16ca6aaa8cf4f767d322ddb0 | Analyze and fix the following issue in the Linux kernel code: sched: adjust when cpu_active and cpuset configurations are updated during cpu on/offlining | Problem Details:
Currently, when a cpu goes down, cpu_active is cleared before
CPU_DOWN_PREPARE starts and cpuset configuration is updated from a
default priority cpu notifier. When a cpu is coming up, it's set
before CPU_ONLINE but cpuset configuration again is updated from the
same cpu notifier.
For cpu notifiers, ... | ```diff
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 2d9073883ea9..de6b1722cdca 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -52,6 +52,22 @@ struct notifier_block;
* CPU notifier priorities.
*/
enum {
+ /*
+ * SCHED_ACTIVE marks a cpu which is coming up active during
+ * CPU_ONLI... |
e8e5e8a8048006a12d7777a93baebd6e39496101 | Analyze and fix the following issue in the Linux kernel code: x86, UV: BAU tunables into a debugfs file | Problem Details:
Make the Broadcast Assist Unit driver's nine tuning values variable by
making them accessible through a read/write debugfs file.
The file will normally be mounted as
/sys/kernel/debug/sgi_uv/bau_tunables. The tunables are kept in each
cpu's per-cpu BAU structure.
The patch also does a little name imp... | ```diff
diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h
index 458e04c626a2..e5543c1a80ca 100644
--- a/arch/x86/include/asm/uv/uv_bau.h
+++ b/arch/x86/include/asm/uv/uv_bau.h
@@ -45,10 +45,14 @@
#define UV_DESC_BASE_PNODE_SHIFT 49
#define UV_PAYLOADQ_PNODE_SHIFT 49
#define UV_PTC_BAS... |
b054b747a694927879c94dd11af54d04346aed7d | Analyze and fix the following issue in the Linux kernel code: mac80211: fix deauth before assoc | Problem Details:
When we receive a deauthentication frame before
having successfully associated, we neither print
a message nor abort assocation. The former makes
it hard to debug, while the latter later causes
a warning in cfg80211 when, as will typically be
the case, association timed out.
This warning was reported ... | ```diff
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 3310e70aa52f..f803f8b72a93 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1760,9 +1760,45 @@ static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
mutex_unlock(&ifmgd->mtx);
if (skb->len >= 24 + 2 /* mgmt ... |
6db6340c42d027b6364d49fa99d69019aca24de4 | Analyze and fix the following issue in the Linux kernel code: iwlwifi: add missing rcu_read_lock | Problem Details:
Using ieee80211_find_sta() needs to be under
RCU read lock, which iwlwifi currently misses,
so fix it.
Cc: stable@kernel.org
Reported-by: Miles Lane <miles.lane@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Reinette Chatre <reinette.chatre@intel.com>
Tested-by: Miles Lane... | ```diff
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index c402bfc83f36..a732f1094e5d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -1125,6 +1125,7 @@ static void iwlagn_tx_status(struct iwl_priv *priv, str... |
e768aee89c687a50e6a2110e30c5cae1fbf0d2da | Analyze and fix the following issue in the Linux kernel code: perf, x86: Small fix to cpuid10_edx | Problem Details:
Fixes to 'cpuid10_edx' to comply with Intel documentation.
According to the Intel Manual, Volume 2A, Table 3-12, the cpuid for
architecture performance monitoring returns, in EDX, two pieces of
information:
1) Number of fixed-function counters (5 bits, not 4)
2) Width of fixed-function counters (8... | ```diff
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index 254883d0c7e0..6ed3ae4f5482 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -68,8 +68,9 @@ union cpuid10_eax {
union cpuid10_edx {
struct {
- unsigned int num_counters_fixed:4;... |
17ebba1fe4da4b5d62782be8743e0e8231812af9 | Analyze and fix the following issue in the Linux kernel code: ARM: 6165/1: trap overflows on highmem pages from kmap_atomic when debugging | Problem Details:
When CONFIG_DEBUG_HIGHMEM is used, the fixmap entry used for a highmem page
by kmap_atomic() is always cleared by kunmap_atomic(). This helps find
bad usages such as dereferences after the unmap, or overflow into the
adjacent fixmap areas.
But this debugging aid is completely bypassed when a kmap for... | ```diff
diff --git a/arch/arm/mm/highmem.c b/arch/arm/mm/highmem.c
index 77b030f5ec09..086816b205b8 100644
--- a/arch/arm/mm/highmem.c
+++ b/arch/arm/mm/highmem.c
@@ -48,7 +48,16 @@ void *kmap_atomic(struct page *page, enum km_type type)
debug_kmap_atomic(type);
- kmap = kmap_high_get(page);
+#ifdef CONFIG_DEBUG_... |
3164a3cbf8a6bdf85fe3816fe670b391f31c004a | Analyze and fix the following issue in the Linux kernel code: [S390] kprobes: add parameter check to module_free() | Problem Details:
When unregistering kprobes, kprobes calls module_free() and
always passes NULL for the mod parameter. Add a check to
prevent NULL pointer dereferences.
See commit 740a8de0796dd12890b3c8ddcfabfcb528b78d40 for more details.
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by:... | ```diff
diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
index 639380a0c45c..22cfd634c355 100644
--- a/arch/s390/kernel/module.c
+++ b/arch/s390/kernel/module.c
@@ -55,8 +55,10 @@ void *module_alloc(unsigned long size)
/* Free memory returned from module_alloc */
void module_free(struct module *mod,... |
dc61b1d65e353d638b2445f71fb8e5b5630f2415 | Analyze and fix the following issue in the Linux kernel code: sched: Fix PROVE_RCU vs cpu_cgroup | Problem Details:
PROVE_RCU has a few issues with the cpu_cgroup because the scheduler
typically holds rq->lock around the css rcu derefs but the generic
cgroup code doesn't (and can't) know about that lock.
Provide means to add extra checks to the css dereference and use that
in the scheduler to annotate its users.
T... | ```diff
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 0c621604baa1..e3d00fdb858d 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -525,13 +525,21 @@ static inline struct cgroup_subsys_state *cgroup_subsys_state(
return cgrp->subsys[subsys_id];
}
-static inline struct cgroup_... |
f6ab91add6355e231e1c47897027b2a6ee4fa268 | Analyze and fix the following issue in the Linux kernel code: perf: Fix signed comparison in perf_adjust_period() | Problem Details:
Frederic reported that frequency driven swevents didn't work properly
and even caused a division-by-zero error.
It turns out there are two bugs, the division-by-zero comes from a
failure to deal with that in perf_calculate_period().
The other was more interesting and turned out to be a wrong comparis... | ```diff
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 31d6afe92594..ff86c558af4c 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -1507,6 +1507,9 @@ do { \
divisor = nsec * frequency;
}
+ if (!divisor)
+ return dividend;
+
return div64_u64(dividend, divisor);
}
@@ -1529,7 +1... |
ab669967d0ecf784567843180e715ccb0e42db36 | Analyze and fix the following issue in the Linux kernel code: ALSA: hda - Add SSID table for iMac7,1. | Problem Details:
This patch add's the iMac7,1 SSID entry to
patch_realtek.c which adds sound support.
bug entry:
https://bugs.launchpad.net/mactel-support/+bug/360866
Note:I do not have this machine on hand only
codec#0 file for the machine so please
test if you have the appropriate equipment.
Signed-off-by: Just... | ```diff
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 9df3c088942d..fc767b6b4785 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -9477,6 +9477,7 @@ static struct snd_pci_quirk alc882_ssid_cfg_tbl[] = {
SND_PCI_QUIRK(0x106b, 0x2800, "AppleTV", ALC885... |
f53dae28cd17ec618a1295962d0f40e00b84665d | Analyze and fix the following issue in the Linux kernel code: ALSA: hda - Add SSID table for MacBookAir1,1 | Problem Details:
This patch add's the MacBookAir1,1 SSID entry to
patch_realtek.c which adds sound support.
bug entry:
https://bugs.launchpad.net/mactel-support/+bug/268301
Note:I do not have this machine on hand only
codec#0 file for the machine so please
test if you have the appropriate equipment.
Signed-off-by... | ```diff
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index f266c544ac69..9df3c088942d 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -9477,6 +9477,7 @@ static struct snd_pci_quirk alc882_ssid_cfg_tbl[] = {
SND_PCI_QUIRK(0x106b, 0x2800, "AppleTV", ALC885... |
f534116308a0d553641725c4619814337758784f | Analyze and fix the following issue in the Linux kernel code: ALSA: atmel: set "channel A event" output to debug | Problem Details:
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de> | ```diff
diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c
index 428121a7e705..10c3a871a12d 100644
--- a/sound/atmel/ac97c.c
+++ b/sound/atmel/ac97c.c
@@ -657,7 +657,7 @@ static irqreturn_t atmel_ac97c_interrupt(int irq, void *dev)
if (sr & AC97C_SR_CAEVT) {
struct snd_pcm_runtime *runtime;
int offset, next... |
832c10fd733893f86c63bde1c65b005d5a2fe346 | Analyze and fix the following issue in the Linux kernel code: wl1251: fix ELP_CTRL register reads | Problem Details:
Reading the ELP_CTRL register with sdio_readb causes problems because
hardware seems to be performing a write using stuff bits in the request
(those bits contain write data in write request). This indicates that it
actually expects RAW (read after write) type of request, so perform that
when reading EL... | ```diff
diff --git a/drivers/net/wireless/wl12xx/wl1251_sdio.c b/drivers/net/wireless/wl12xx/wl1251_sdio.c
index c561332e7009..b901b6135654 100644
--- a/drivers/net/wireless/wl12xx/wl1251_sdio.c
+++ b/drivers/net/wireless/wl12xx/wl1251_sdio.c
@@ -37,11 +37,17 @@
#define SDIO_DEVICE_ID_TI_WL1251 0x9066
#endif
+struc... |
abe37c4b84502d6931e04e94c9c2c45b4da8c889 | Analyze and fix the following issue in the Linux kernel code: wireless: fix kernel-doc | Problem Details:
Fix a whole bunch of kernel-doc warnings
and errors that crop up when running it on
mac80211 and cfg80211; the latter isn't
normally done so lots of bit-rot happened.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com> | ```diff
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 0c3c214772e7..22ab9d88cf4a 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -37,6 +37,7 @@
*
* @IEEE80211_BAND_2GHZ: 2.4GHz ISM band
* @IEEE80211_BAND_5GHZ: around 5GHz band (4.9-5.7)
+ * @IEEE80211_NUM_BANDS: number of ... |
90b726097ba0dcc1f9725182513e669a30e77db5 | Analyze and fix the following issue in the Linux kernel code: mac80211: Add netif state checking to ieee80211_ifa_changed | Problem Details:
There's a window for ieee80211_ifa_changed() to get called whilst the
managed mode mutex has not been initialized when opening and stopping the
interface. Currently this causes a kernel BUG like the following:
[ 132.460013] kernel BUG at /home/wifi/iwlwifi-2.6/net/mac80211/main.c:380!
[ 132.460013] ... | ```diff
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 5706156d1ecf..88b671a16a41 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -359,6 +359,9 @@ static int ieee80211_ifa_changed(struct notifier_block *nb,
struct ieee80211_sub_if_data *sdata;
struct ieee80211_if_managed *ifmgd;
+ if (... |
84efa0e7aab9f41451bdf4bff5e2414bb59c6a93 | Analyze and fix the following issue in the Linux kernel code: libertas: Fix ethtool reporting no WOL options supported if WOL is not already active | Problem Details:
This patch fixes the libertas driver incorrectly reporting that Wake-on-LAN
is not supported if Wake-on-LAN is currently disabled.
Signed-off-by: Sascha Silbe <sascha-pgp@silbe.org>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com> | ```diff
diff --git a/drivers/net/wireless/libertas/ethtool.c b/drivers/net/wireless/libertas/ethtool.c
index 6a36c9956fdc..0cf31bbf6567 100644
--- a/drivers/net/wireless/libertas/ethtool.c
+++ b/drivers/net/wireless/libertas/ethtool.c
@@ -69,14 +69,11 @@ static void lbs_ethtool_get_wol(struct net_device *dev,
{
stru... |
cd9b6fdf798841eb15253f928e762eee5260d347 | Analyze and fix the following issue in the Linux kernel code: Input: ad7877 - fix spi word size to 16 bit | Problem Details:
With no word size given in the users platform data, a generic spi host
controller driver will assume a default word size of eight bit. This
causes transmission to be performed bytewise, which will fail on little
endian machines for sure. Failure on big endian depends on usage
of slave select to mark wo... | ```diff
diff --git a/drivers/input/touchscreen/ad7877.c b/drivers/input/touchscreen/ad7877.c
index 0d2d7e54b465..5f0221cffef9 100644
--- a/drivers/input/touchscreen/ad7877.c
+++ b/drivers/input/touchscreen/ad7877.c
@@ -679,6 +679,13 @@ static int __devinit ad7877_probe(struct spi_device *spi)
return -EINVAL;
}
+... |
b62e948fd00bda1be2af31b591e5284374de551f | Analyze and fix the following issue in the Linux kernel code: drm/radeon: don't poll tv dac if crtc2 is in use. | Problem Details:
So when we added output polling, we'd suddenly use this code more often, and the fact that it always takes over crtc2 and messes with it during probing isn't what we really want to be happening. A more complete fix would to change it to use whatever crtc was free at the time, but for now lets stay simp... | ```diff
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 5a13b3eeef19..5b07b8848e09 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -1168,6 +1168,17 @@ static enum drm_connector_stat... |
d294ed69408b54c18f0420516ea057b2a734624d | Analyze and fix the following issue in the Linux kernel code: drm/radeon: reset i2c valid to avoid incorrect tv-out polling. | Problem Details:
We really don't want to be polling tv-out but since we weren't forcing the
i2c lines to invalid (tv-out has no DDC), we were adding tv connectors to the
polling setup and this was causing blinking on secondary displays.
This fixes the regression Torsten reported.
Reported-by: Torsten Kaiser <just.for... | ```diff
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index f6f907e7217a..1bee2f9e24a5 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -2026,6 +2026,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_devi... |
ed7865a47d4759e85bbd7bed44bee411d868eaad | Analyze and fix the following issue in the Linux kernel code: ipv4: avoid two atomic ops in ip_rt_redirect() | Problem Details:
in_dev_get() -> __in_dev_get_rcu() in a rcu protected function.
[ Fix build with CONFIG_IP_ROUTE_VERBOSE disabled. -DaveM ]
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net> | ```diff
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 7b8eacd5ac26..883b5c7195ac 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1343,11 +1343,12 @@ static void rt_del(unsigned hash, struct rtable *rt)
spin_unlock_bh(rt_hash_lock_addr(hash));
}
+/* called in rcu_read_lock() section */
void ip_rt... |
4eb3033c72099fab3536ed8ac54a5dc99f0832d7 | Analyze and fix the following issue in the Linux kernel code: drm/nv50: fix iommu errors caused by device reading from address 0 | Problem Details:
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com> | ```diff
diff --git a/drivers/gpu/drm/nouveau/nv50_fb.c b/drivers/gpu/drm/nouveau/nv50_fb.c
index a95e6941ba88..32611bd30e6d 100644
--- a/drivers/gpu/drm/nouveau/nv50_fb.c
+++ b/drivers/gpu/drm/nouveau/nv50_fb.c
@@ -6,10 +6,16 @@
int
nv50_fb_init(struct drm_device *dev)
{
- /* This is needed to get meaningful informa... |
f712d0c7e726ccbf2ab668cc30f307ecf37adf4f | Analyze and fix the following issue in the Linux kernel code: drm/radeon/kms/pm: resurrect printing power states | Problem Details:
debug only
agd5f: rebased
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com> | ```diff
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 19fb3652c7bd..63f679a04b25 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -33,6 +33,14 @@
#define RADEON_WAIT_VBLANK_TIMEOUT 200
#define RADEON_WAIT_IDLE_TIMEOUT 200
+stati... |
a081a9d6f566160bc4c08a85b74d817e983595ab | Analyze and fix the following issue in the Linux kernel code: drm/radeon/kms/r600+: use voltage from requested clock mode (v3) | Problem Details:
This fixes FDO bug #28375, it's kind of regression, so quite important to have
it for .35.
V2: Fix on RV770+ as well. All other chipsets have only one clock mode per
state.
V3: I'm out of luck today. Grepped for voltage in r*.c and missed evergreen.
agd5f: rebased
Signed-off-by: Rafał Miłecki <zaje... | ```diff
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index b86d6ac9c5ba..b2b7c11e447f 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -41,9 +41,10 @@ void evergreen_fini(struct radeon_device *rdev);
void evergreen_pm_misc(struct rade... |
cbd4623d4d3a622de6481052b44cd33ea880cd61 | Analyze and fix the following issue in the Linux kernel code: drm/radeon/kms: fix typo in printing the HPD info | Problem Details:
I forgot to fix this in 8e36ed00842668a39a6ed1b0a00b8ac92b7c4cd5
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com> | ```diff
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 1006549d1570..8154cdf796e4 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -284,8 +284,7 @@ static const char *connector_names[15] = {
"eDP",
};
-static... |
f8ed8b4c5d30b5214f185997131b06e35f6f7113 | Analyze and fix the following issue in the Linux kernel code: drm/radeon/kms/pm: Misc fixes | Problem Details:
- don't rest the power state in pm_init()
We already boot up to the default power state. Note this
patch relies on:
drm/radeon/kms/pm: patch default power state with default clocks/voltages on r6xx+
To make sure the default power state matches the boot up state.
- In the pm resume path asic init will... | ```diff
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 6f80625179a6..62e7f967c6c4 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -368,15 +368,18 @@ void radeon_pm_suspend(struct radeon_device *rdev)
{
mutex_lock(&rdev->pm.mutex)... |
8de016e2bd8ebce9b3728462085bef51179841a6 | Analyze and fix the following issue in the Linux kernel code: drm/radeon/kms/combios: fix typo in voltage fix | Problem Details:
Noticed by Rafał Miłecki.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com> | ```diff
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 102c744eaf5a..f6f907e7217a 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -2455,7 +2455,7 @@ default_mode:
rdev->pm.power_state[state_index].clock_info[0]... |
148a03bc0b0e3ef153d0cade7bc88e9b14edfb7a | Analyze and fix the following issue in the Linux kernel code: drm/radeon/kms/evergreen: set accel_enabled | Problem Details:
This is needed to enable accel in the ddx. However,
due to a bug in older versions of the ddx, it relies
on accel being disabled in order to load properly on
evergreen chips. To maintain compatility, we add a new
get accel param and call that from the ddx. The old one
always returns false for evergr... | ```diff
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 0440c0939bdd..49c94aef0dda 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2153,7 +2153,7 @@ int evergreen_init(struct radeon_device *rdev)
if (r)
return r;
- rdev->acce... |
9bad145ee2ef43ac36d397190a7d8b1a7306d3fb | Analyze and fix the following issue in the Linux kernel code: drm/radeon: fix PM on non-vram cards. | Problem Details:
PM attemps to unmap objects that aren't actually mapped into userspace ever,
so just don't bother unmapping them at this point, since all you are doing
is nothing. We should be making sure all access to these objects are locked in
kernel space instead. In theory the VRAM gart table is already done, and... | ```diff
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 02281269a881..6f80625179a6 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -127,15 +127,6 @@ static void radeon_unmap_vram_bos(struct radeon_device *rdev)
if (bo->tbo.mem.mem... |
5a79395b2791cc70442ab8434aed1b5206683e7c | Analyze and fix the following issue in the Linux kernel code: drm: Propagate error from drm_fb_helper_init(). | Problem Details:
The previous commit fixes the problem, these commits make sure we actually
fail properly if it happens again.
I've squashed the commits from Chris since they are all fixing one issue.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com> | ```diff
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index b2ebf02e4f8a..59a2bf8592ec 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1402,19 +1402,19 @@ static int i915_load_modeset_init(struct drm_device *dev,
/* if we have > 1 VGA cards, then... |
a3524f1b27671eda909cde37da9caff41133b272 | Analyze and fix the following issue in the Linux kernel code: drm/i915: fix oops on single crtc devices. | Problem Details:
(regression fix since fbdev/kms rework).
My fb rework didn't remember about the 84/65s.
Reported-by: Ondrej Zary <linux@rainbow-software.org>
Tested-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Dave Airlie <airlied@redhat.com> | ```diff
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 9ed8ecd95801..276583159847 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -278,6 +278,7 @@ typedef struct drm_i915_private {
struct mem_block *agp_heap;
unsigned int sr01, adpa, ppcr, ... |
6d7b7d578f2c182f77ab6dd1c375f848f38ea1a6 | Analyze and fix the following issue in the Linux kernel code: msm: dma: add completion.h header | Problem Details:
At some point this was exposed (not sure how),
linux-2.6/arch/arm/mach-msm/dma.c:92: error: field 'complete' has incomplete type
linux-2.6/arch/arm/mach-msm/dma.c: In function 'dmov_exec_cmdptr_complete_func':
linux-2.6/arch/arm/mach-msm/dma.c:108: error: implicit declaration of function 'complete'
li... | ```diff
diff --git a/arch/arm/mach-msm/dma.c b/arch/arm/mach-msm/dma.c
index d029d1f5f9e2..02cae5e2951c 100644
--- a/arch/arm/mach-msm/dma.c
+++ b/arch/arm/mach-msm/dma.c
@@ -17,6 +17,7 @@
#include <linux/err.h>
#include <linux/io.h>
#include <linux/interrupt.h>
+#include <linux/completion.h>
#include <mach/dma.h>
... |
85a0e7539781dad4bfcffd98e72fa9f130f4e40d | Analyze and fix the following issue in the Linux kernel code: PM / x86: Save/restore MISC_ENABLE register | Problem Details:
Save/restore MISC_ENABLE register on suspend/resume.
This fixes OOPS (invalid opcode) on resume from STR on Asus P4P800-VM,
which wakes up with MWAIT disabled.
Fixes https://bugzilla.kernel.org/show_bug.cgi?id=15385
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Tested-by: Alan Stern <stern@... | ```diff
diff --git a/arch/x86/include/asm/suspend_32.h b/arch/x86/include/asm/suspend_32.h
index 48dcfa62ea07..fd921c3a6841 100644
--- a/arch/x86/include/asm/suspend_32.h
+++ b/arch/x86/include/asm/suspend_32.h
@@ -15,6 +15,8 @@ static inline int arch_prepare_suspend(void) { return 0; }
struct saved_context {
u16 es... |
7a4f876b876afb13856a79a0402f71b9dfbe86a8 | Analyze and fix the following issue in the Linux kernel code: sata_sil24: fix kernel panic on ARM caused by unaligned access in sata_sil24 | Problem Details:
The sata_sil24 driver has six 16-bit registers that are initialised with
32-bit writes. This cause a kernel panic on ARM due to the unaligned
accesses which result.
This patch changes the accesses to the correct 16-bit ones.
Signed-off-by: Colin Tuckley <colin.tuckley@arm.com>
Signed-off-by: Tejun He... | ```diff
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index e9250514734b..70b58fe9e5b1 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -539,12 +539,12 @@ static void sil24_config_port(struct ata_port *ap)
writel(PORT_CS_IRQ_WOC, port + PORT_CTRL_CLR);
/* zero error coun... |
b475a3b83a7709e16a734ef2b8ead4d50f885427 | Analyze and fix the following issue in the Linux kernel code: sata_via: explain the magic fix | Problem Details:
Add Joseph Chan's explanation of the problem and workaround to the
VT6421 magic fix.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Joseph Chan <JosephChan@via.com.tw>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com> | ```diff
diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index 0ecd0f6aa2c0..4730c42a5ee5 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -578,10 +578,24 @@ static void svia_configure(struct pci_dev *pdev)
/*
* vt6421 has problems talking to some drives. The following
- * is the... |
a5fdbcad0a3f461d43f7b801f8fc176cd2840704 | Analyze and fix the following issue in the Linux kernel code: ath: Fix uninitialized variable warnings | Problem Details:
Fixes 'make -j24 CONFIG_DEBUG_SECTION_MISMATCH=y' warning:
drivers/net/wireless/ath/ath9k/eeprom_4k.c: In function ‘ath9k_hw_get_4k_gain_boundaries_pdadcs.clone.1’:
drivers/net/wireless/ath/ath9k/eeprom_4k.c:311: error: ‘minPwrT4’ may be used uninitialized in this function
drivers/net/wireless/ath/ath... | ```diff
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
index 41a77d1bd439..e25a2abbf561 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -249,6 +249,7 @@ static void ath9k_hw_get_4k_gain_boundaries_pdadcs(st... |
11b7c60988e5fbabb4e150612931cc068559af16 | Analyze and fix the following issue in the Linux kernel code: mac80211: fix lock leak w/ ARP filtering and w/o CONFIG_INET | Problem Details:
"mac80211: make ARP filtering depend on CONFIG_INET" introduced this
potential locking leak.
Reported-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com> | ```diff
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 3623bb7c4bf4..9420cf14fae4 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2078,10 +2078,9 @@ static enum work_done_result ieee80211_assoc_done(struct ieee80211_work *wk,
cfg80211_send_assoc_timeout(wk->sdata->dev,
wk->fi... |
dc1dfe47445d45b3076ea940dda8f46a4b96e386 | Analyze and fix the following issue in the Linux kernel code: iwlwifi: fix-up botched revert | Problem Details:
In the revert of "iwlwifi: move _agn statistics related structure", I
need to use CONFIG_IWLWIFI_DEBUGFS instead of CONFIG_IWLWIFI_DEBUG in
the private structure definition. Without this patch, it is possible
to get this:
drivers/net/wireless/iwlwifi/iwl-rx.c: In function 'iwl_accumulative_statistics... | ```diff
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 55bd2fa7dad1..52c3cdda8367 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1225,7 +1225,7 @@ struct iwl_priv {
struct iwl_tt_mgmt thermal_throttle;
struct... |
35dd0509b21e4b5bab36b9eb80c8dab0322f5007 | Analyze and fix the following issue in the Linux kernel code: mac80211: fix function pointer check | Problem Details:
This makes "iw wlan0 dump survey" work again with
mac80211-based drivers that support it, e.g. ath5k.
Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com> | ```diff
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 4f2271316650..9c1da0809160 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -349,7 +349,7 @@ static inline int drv_get_survey(struct ieee80211_local *local, int idx,
struct survey_info *survey)
{
int ret = ... |
436c109adb54433fff689abd71c23a6505e46bb0 | Analyze and fix the following issue in the Linux kernel code: ath5k: fix NULL pointer in antenna configuration | Problem Details:
If the channel is not set yet and we configure the antennas just store the
setting. It will be activated during the next reset, when the channel is set.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com> | ```diff
diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
index 1b81c4778800..492cbb15720d 100644
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -1814,6 +1814,13 @@ ath5k_hw_set_antenna_mode(struct ath5k_hw *ah, u8 ant_mode)
u8 def_ant, ... |
aa679c36756003f1fabdb9fc6f00eb159559f7c3 | Analyze and fix the following issue in the Linux kernel code: wl1251: fix a memory leak in probe | Problem Details:
wl1251_sdio_probe() error path is missing wl1251_free_hw, add it.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Acked-by: Kalle Valo <kvalo@adurom.com>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com> | ```diff
diff --git a/drivers/net/wireless/wl12xx/wl1251_sdio.c b/drivers/net/wireless/wl12xx/wl1251_sdio.c
index d234285c2c81..c561332e7009 100644
--- a/drivers/net/wireless/wl12xx/wl1251_sdio.c
+++ b/drivers/net/wireless/wl12xx/wl1251_sdio.c
@@ -259,6 +259,7 @@ disable:
sdio_disable_func(func);
release:
sdio_rele... |
b83156b52dd77979cc93bafc2283929532f6f7d0 | Analyze and fix the following issue in the Linux kernel code: pcmcia: avoid validate_cis failure on CIS override | Problem Details:
Commit a8408c17 introduced a new check to pccard_validate_cis(),
which avoids any "late" calls to this function. This broke the
insertion of cards which require a CIS override which changes
the number of card functions. Fix this by asserting that this
is _not_ a late call, but a proper call early durin... | ```diff
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 7ef7adee5e4f..9fc339845538 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -671,6 +671,7 @@ static void pcmcia_requery(struct pcmcia_socket *s)
if (old_funcs != new_funcs) {
/* we need to re-start */
pcmcia_card_remove(s, NULL... |
287b87a350de4e344d60697a1f16abe2a6cd350a | Analyze and fix the following issue in the Linux kernel code: pcmcia: dev_node removal bugfix | Problem Details:
Patch c7c2fa07 removed one line too much from smc91c92_cs.c.
Reported-by: Komuro <komurojun-mbn@nifty.com>
CC: netdev@vger.kernel.org
CC: linux-wireless@vger.kernel.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> | ```diff
diff --git a/drivers/net/pcmcia/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c
index 7b6fe89f9db0..64e6a84bbbbe 100644
--- a/drivers/net/pcmcia/smc91c92_cs.c
+++ b/drivers/net/pcmcia/smc91c92_cs.c
@@ -322,6 +322,7 @@ static int smc91c92_probe(struct pcmcia_device *link)
return -ENOMEM;
smc = netdev_pri... |
4f2d364b315191bf9f8659f7d221acdf5506a989 | Analyze and fix the following issue in the Linux kernel code: pcmcia: yenta_socket.c Remove extra #ifdef CONFIG_YENTA_TI | Problem Details:
Seems pointless to have two #ifdef's with the same
CONFIG_YENTA_TI. Remove the extra one and
move CARDBUS_TYPE_ENE with the others.
[linux@dominikbrodowski.net: spelling & whitespace fixes]
Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodow... | ```diff
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index 6bf8b2c06c7d..f1d41374eea7 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -880,6 +880,12 @@ static struct cardbus_type cardbus_type[] = {
.restore_state = ti_restore_state,
.sock_init = ti_i... |
02caa56e4b789b80ae7e0f0f0789f94b44ad32ef | Analyze and fix the following issue in the Linux kernel code: pcmcia: only keep saved I365_CSCINT flag if there is no PCI irq | Problem Details:
Keeping the saved I365_CSCINT flag around breaks PCMCIA on some system,
and is only needed on a few systems to get PCMCIA to work. This patch
allows PCMCIA to work on both types, and it fixes
https://bugzilla.kernel.org/show_bug.cgi?id=16015
Reported-by: Justin P. Mattock <justinmattock@gmail.com>
CC:... | ```diff
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index 424e576f3acb..6bf8b2c06c7d 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -975,7 +975,7 @@ static irqreturn_t yenta_probe_handler(int irq, void *dev_id)
/* probes the PCI interrupt, use only on o... |
bfc5501f6d816082274e10cd45a2d5f32603b328 | Analyze and fix the following issue in the Linux kernel code: swiotlb: Make internal bookkeeping functions have 'swiotlb_tbl' prefix. | Problem Details:
The functions that operate on io_tlb_list/io_tlb_start/io_tlb_orig_addr
have the prefix 'swiotlb_tbl' now.
See "swiotlb: swiotlb: add swiotlb_tbl_map_single library function" for
full description of patchset.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: FUJITA Tomonori <fuj... | ```diff
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index ec61e1507d0a..1fc15bf63945 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -61,8 +61,8 @@ enum dma_sync_target {
int swiotlb_force;
/*
- * Used to do a quick range check in unmap_single and
- * sync_single_*, to see if the memory was in fact allocated by th... |
eb605a5754d050a25a9f00d718fb173f24c486ef | Analyze and fix the following issue in the Linux kernel code: swiotlb: add swiotlb_tbl_map_single library function | Problem Details:
swiotlb_tbl_map_single() takes the dma address of iotlb instead of
using swiotlb_virt_to_bus().
[v2: changed swiotlb_tlb to swiotlb_tbl]
[v3: changed u64 to dma_addr_t]
This patch:
This is a set of patches that separate the address translation
(virt_to_phys, virt_to_bus, etc) and allocation of the S... | ```diff
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index a009055140ec..783aff00024c 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -361,25 +361,22 @@ static void swiotlb_bounce(phys_addr_t phys, char *dma_addr, size_t size,
}
}
-/*
- * Allocates bounce buffer and returns its kernel virtual address.
- */
-static... |
cfca31ce789963c0dd6ca2e9cc13b90cc2802fbd | Analyze and fix the following issue in the Linux kernel code: [PATCH 2/11] drivers/watchdog: Eliminate a NULL pointer dereference | Problem Details:
At the point of the call to dev_err, wm8350 is NULL.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@r exists@
expression E,E1;
identifier f;
statement S1,S2,S3;
@@
if ((E == NULL && ...) || ...)
{
... when != if (...) S1 el... | ```diff
diff --git a/drivers/watchdog/wm8350_wdt.c b/drivers/watchdog/wm8350_wdt.c
index 89dd7b035295..b68d928c8f90 100644
--- a/drivers/watchdog/wm8350_wdt.c
+++ b/drivers/watchdog/wm8350_wdt.c
@@ -284,7 +284,7 @@ static int __devinit wm8350_wdt_probe(struct platform_device *pdev)
struct wm8350 *wm8350 = platform_ge... |
035320d54758e21227987e3aae0d46e7a04f4ddc | Analyze and fix the following issue in the Linux kernel code: ipmr: dont corrupt lists | Problem Details:
ipmr_rules_exit() and ip6mr_rules_exit() free a list of items, but
forget to properly remove these items from list. List head is not
changed and still points to freed memory.
This can trigger a fault later when icmpv6_sk_exit() is called.
Fix is to either reinit list, or use list_del() to properly re... | ```diff
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 856123fe32f9..757f25eb9b4b 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -267,8 +267,10 @@ static void __net_exit ipmr_rules_exit(struct net *net)
{
struct mr_table *mrt, *next;
- list_for_each_entry_safe(mrt, next, &net->ipv4.mr_tables, list)
+ ... |
238c1a78c957f3dc7cb848b161dcf4805793ed56 | Analyze and fix the following issue in the Linux kernel code: powerpc/oprofile: fix potential buffer overrun in op_model_cell.c | Problem Details:
Fix potential initial_lfsr buffer overrun.
Writing past the end of the buffer could happen when index == ENTRIES
Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org>
Cc: stable@kernel.org
Signed-off-by: Robert Richter <robert.richter@amd.com> | ```diff
diff --git a/arch/powerpc/oprofile/op_model_cell.c b/arch/powerpc/oprofile/op_model_cell.c
index 2c9e52267292..7fd90d02d8c6 100644
--- a/arch/powerpc/oprofile/op_model_cell.c
+++ b/arch/powerpc/oprofile/op_model_cell.c
@@ -1077,7 +1077,7 @@ static int calculate_lfsr(int n)
index = ENTRIES-1;
/* make sure... |
3fd7fa4a89f0b85b9b33e922f15a2289c0fb8499 | Analyze and fix the following issue in the Linux kernel code: 8139too: fix buffer overrun in rtl8139_init_board | Problem Details:
Fix rtl_chip_info buffer overrun when we can't identify the chip.
(i = ARRAY_SIZE (rtl_chip_info) in this case)
Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net> | ```diff
diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index 4ba72933f0da..80cd074d3817 100644
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -860,6 +860,7 @@ retry:
}
/* if unknown chip, assume array element #0, original RTL-8139 in this case */
+ i = 0;
dev_dbg(&pdev->dev, "unknown ch... |
271c1dfa61bc90a57648ff96f3eb92d4b4d4f11e | Analyze and fix the following issue in the Linux kernel code: net: Remove unnecessary net action assertion | Problem Details:
The extra assertion to allow packet munging only when there are
no other ptypes listening which may have worked around an old bug
is unnecessary. It is sufficient to check if the skb is cloned before
trampling on it. Thanks to Herbert Xu for being persistent and patient
in getting this across.
[Note th... | ```diff
diff --git a/net/core/dev.c b/net/core/dev.c
index b65347c2cf2a..c8d127718ff1 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2663,9 +2663,6 @@ static inline struct sk_buff *handle_ing(struct sk_buff *skb,
if (*pt_prev) {
*ret = deliver_skb(skb, *pt_prev, orig_dev);
*pt_prev = NULL;
- } else {
- /... |
a8b690f98baf9fb1902b8eeab801351ea603fa3a | Analyze and fix the following issue in the Linux kernel code: tcp: Fix slowness in read /proc/net/tcp | Problem Details:
This patch address a serious performance issue in reading the
TCP sockets table (/proc/net/tcp).
Reading the full table is done by a number of sequential read
operations. At each read operation, a seek is done to find the
last socket that was previously read. This seek operation requires
that the so... | ```diff
diff --git a/include/net/tcp.h b/include/net/tcp.h
index a1449144848a..573166484413 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1413,7 +1413,8 @@ struct tcp_iter_state {
sa_family_t family;
enum tcp_seq_states state;
struct sock *syn_wait_sk;
- int bucket, sbucket, num, uid;
+ int buc... |
386f40c86d6c8d5b717ef20620af1a750d0dacb4 | Analyze and fix the following issue in the Linux kernel code: Revert "tty: fix a little bug in scrup, vt.c" | Problem Details:
This reverts commit 962400e8fd29981a7b166e463dd143b6ac6a3e76, which was
entirely bogus.
The code used to multiply the character offset by "vc->vc_cols", and
that's actually correct, because 'd' itself is an 'unsigned short'. So
the pointer arithmetic already takes the size of a VGA character into
acc... | ```diff
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 1296c42ed5c6..7cdb6ee569cd 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -304,7 +304,7 @@ static void scrup(struct vc_data *vc, unsigned int t, unsigned int b, int nr)
d = (unsigned short *)(vc->vc_origin + vc->vc_size_row * t);
s = (unsig... |
9973e38575070b70c68bad177fb5056548fea349 | Analyze and fix the following issue in the Linux kernel code: sh: Fix up IORESOURCE_PCI_FIXED usage in pcibios_fixup_device_resources(). | Problem Details:
pcibios_fixup_device_resources() presently skips over resources flagged
with IORESOURCE_PCI_FIXED, which is a remnant of the old PCI-auto code.
The only user for this at present is the Dreamast GAPSPCI code which
can't tolerate any adjustments to the BARs, but a combination of the
IORESOURCE_PCI_FIXED ... | ```diff
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index 953af139e230..1e9598d2bbf4 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -139,8 +139,6 @@ static void pcibios_fixup_device_resources(struct pci_dev *dev,
for (i = 0; i < PCI_NUM_RESOURCES; i++) {
if (!dev->... |
2430b031be8d3eb57f22f2df6fb3784564109db0 | Analyze and fix the following issue in the Linux kernel code: tg3: Allow single MSI-X vector allocations | Problem Details:
This patch changes the code to make it legal to allocate only one MSI-X
vector. It also fixes a bug where the driver was not checking for error
return codes from pci_enable_msix().
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Davi... | ```diff
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 3dccc58e6496..d169337bc7ef 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -145,8 +145,6 @@
#define TG3_RX_JMB_BUFF_RING_SIZE \
(sizeof(struct ring_info) * TG3_RX_JUMBO_RING_SIZE)
-#define TG3_RSS_MIN_NUM_MSIX_VECS 2
-
/* Due to a hardware... |
b28f6428af279ffb9e97ee00486a29498b7fcfdc | Analyze and fix the following issue in the Linux kernel code: tg3: Fix a memory leak on 5717+ devices | Problem Details:
The rx resources for MSI-X interrupt vector 0 were not being freed
correctly. This happens because the teardown loop continue's to the
next loop iteration if it detects the tx ring for that vector is not
setup, thus bypassing the rx teardown code. This patch moves the
call to tg3_rx_prodring_free() e... | ```diff
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 057e8ebc1b25..86f8798a88e2 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -6229,6 +6229,8 @@ static void tg3_free_rings(struct tg3 *tp)
for (j = 0; j < tp->irq_cnt; j++) {
struct tg3_napi *tnapi = &tp->napi[j];
+ tg3_rx_prodring_free(tp... |
b1d0521059789a138d19c4f940d6eca7d620a6eb | Analyze and fix the following issue in the Linux kernel code: tg3: Avoid tx lockups on 5755+ devices | Problem Details:
In certain edge conditions, internal tx resources can get corrupted.
This patch enables a bit that will fix the problem.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net> | ```diff
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index bd331174550b..057e8ebc1b25 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -8214,6 +8214,9 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
}
tp->tx_mode = TX_MODE_ENABLE;
+ if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
+ GET_A... |
024a07bacf8287a6ddfa83e9d5b951c5e8b4070e | Analyze and fix the following issue in the Linux kernel code: r8169: fix random mdio_write failures | Problem Details:
Some configurations need delay between the "write completed" indication
and new write to work reliably.
Realtek driver seems to use longer delay when polling the "write complete"
bit, so it waits long enough between writes with high probability (but
could probably break too). This patch adds a new ude... | ```diff
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 217e709bda3e..03a8318d90a2 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -559,6 +559,11 @@ static void mdio_write(void __iomem *ioaddr, int reg_addr, int value)
break;
udelay(25);
}
+ /*
+ * Some configurations require a smal... |
8ffb335e8d696affc04f963bf73ce2196f80edb9 | Analyze and fix the following issue in the Linux kernel code: ip6mr: fix a typo in ip6mr_for_each_table() | Problem Details:
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net> | ```diff
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 073071f2b75b..89c0b077c7aa 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -120,7 +120,7 @@ static void mroute_clean_tables(struct mr6_table *mrt);
static void ipmr_expire_process(unsigned long arg);
#ifdef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
-#d... |
f668da2f150948a961d359c65b5e9d62da1290e2 | Analyze and fix the following issue in the Linux kernel code: iwlwifi: fix wrapping when handling aggregated batches | Problem Details:
Fairly complex code in iwlagn_tx_status_reply_tx handle the status reports for
aggregated packet batches sent by the NIC. This code aims to handle the case
where the NIC retransmits failed packets from a previous batch; the status
information for these packets can sometimes be inserted in the middle of... | ```diff
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index d339881e1d8f..3577c1eeb77b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -93,6 +93,12 @@ static int iwlagn_tx_status_reply_tx(struct iwl_priv *... |
02cd8dee6e10d6ab7161a3c6f36a60f8894fafdd | Analyze and fix the following issue in the Linux kernel code: iwlwifi: parse block ack responses correctly | Problem Details:
Compressed BlockAck frames store the ACKs/NACKs in a 64-bit bitmap that starts
at the sequence number of the first frame sent in the aggregated batch. Note
that this is a selective ACKnowledgement following selective retransmission;
e.g., if frames 1,4-5 in a batch are ACKed then the next transmission ... | ```diff
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index 0d3e13b2442f..10a0acdb9dd4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -1208,7 +1208,7 @@ static int iwlagn_tx_status_reply_compressed_ba(struct ... |
519c7c416870c6e71e9553786a529d89f55ef395 | Analyze and fix the following issue in the Linux kernel code: iwlwifi: kzalloc txb array | Problem Details:
When we allocate queues, we currently don't
use kzalloc() right now. When we then free
those queues again without having used all
entries, we may end up trying to free random
pointers found in the txb array since it was
never initialised. This fixes it simply by
using kzalloc().
Signed-off-by: Johanne... | ```diff
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 769136f8f321..a81989c06983 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -272,7 +272,7 @@ static int iwl_tx_queue_alloc(struct iwl_priv *priv,
/* Driver private ... |
6f80240e0a738a6c5cef005291a90522959f3ba2 | Analyze and fix the following issue in the Linux kernel code: iwlagn: fix bug in txq freeing | Problem Details:
The iwl_hw_txq_free_tfd() function can be
called from contexts with IRQs disabled,
so it must not call dev_kfree_skb() but
rather dev_kfree_skb_any() instead.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> | ```diff
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 9c85e1bd2971..a61d5674d13e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -484,8 +484,15 @@ void iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue ... |
4f5fa2376f3ca46fa497632844872a6f4e224c09 | Analyze and fix the following issue in the Linux kernel code: iwl3945: fix bugs in txq freeing | Problem Details:
When we free a txq that had no txb array allocated,
we still try to access it. Fix that, and also free
all SKBs that may be in the txb array (although it
can just be a single one).
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> | ```diff
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 295b67ac8169..fec05b5c334e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -705,16 +705,18 @@ void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_... |
86cc652dfe57f365533cf2e64e08ff37a510d42e | Analyze and fix the following issue in the Linux kernel code: iwlwifi: remove debug frame dumping | Problem Details:
This can now be much better achieved using
tracing and post-processing of the trace,
rather than doing the processing in place
in the driver, so remove a lot of code.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> | ```diff
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 7d7e37e1148f..7a34ef66c7ff 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -494,158 +494,6 @@ void iwl3945_reply_statistics(struct iwl_priv *priv,
* Misc. ... |
7d47618a2ade0cb6d8a0b2597029c383c1662fa0 | Analyze and fix the following issue in the Linux kernel code: iwlwifi: move sysfs_create_group to post request firmware | Problem Details:
Move the sysfs_create_group to iwl_ucode_callback after we
have safely got the firmware.
The motivation to do this comes from a warning from lockdep which detected
that we request priv->mutex while holding s_active during a sysfs request
(show_statistics in the example copy pasted). The reverse order ... | ```diff
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index aef4f71f1981..7726e67044c0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1484,6 +1484,156 @@ bool iwl_good_ack_health(struct iwl_priv *priv,
}
+/********... |
1402364162afbaac1b8a74ee21aeb013e817ac7d | Analyze and fix the following issue in the Linux kernel code: iwl3945: fix internal scan | Problem Details:
Port of internal scan to iwl3945 missed introduction
of iwl3945_get_single_channel_for_scan.
Fix the following bug by introducing the iwl3945_get_single_channel_for_scan
http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2208
Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off... | ```diff
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index 1004cfc403b1..0f292a210ed9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -1119,10 +1119,9 @@ static int iwl_get_single_channel_for_scan(struct ... |
a6866ac93e6cb68091326e80b4fa4619a5957644 | Analyze and fix the following issue in the Linux kernel code: iwl3945: enable stuck queue detection on 3945 | Problem Details:
We learn from
http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=1834 and
https://bugzilla.redhat.com/show_bug.cgi?id=589777
that 3945 can also suffer from a stuck command queue. Enable stuck queue
detection for iwl3945 to enable recovery in this case.
Signed-off-by: Reinette Chatre <reinette.chat... | ```diff
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 068f7f8435c5..c44a303e62ed 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -2852,6 +2852,7 @@ static struct iwl_lib_ops iwl3945_lib = {
.isr = iwl_isr_lega... |
e7b526bb852cdd67b24e174da6850222f8da41b1 | Analyze and fix the following issue in the Linux kernel code: drm/i915: Move non-phys cursors into the GTT | Problem Details:
Cursors need to be in the GTT domain when being accessed by the GPU.
Previously this was a fortuitous byproduct of userspace using pwrite()
to upload the image data into the cursor. The redundant clflush was
removed in commit 9b8c4a and so the image was no longer being flushed
out of the caches into ma... | ```diff
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 88a1ab7c05ce..04e1bb499ff8 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3973,6 +3973,13 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
DRM_ERROR("fai... |
84a8dce2710cc425089a2b92acc354d4fbb5788d | Analyze and fix the following issue in the Linux kernel code: ext4: Fix remaining racy updates of EXT4_I(inode)->i_flags | Problem Details:
A few functions were still modifying i_flags in a racy manner.
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> | ```diff
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 19df61c321fd..42272d67955a 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4942,20 +4942,26 @@ void ext4_set_inode_flags(struct inode *inode)
/* Propagate flags from i_flags to EXT4_I(inode)->i_flags */
void ext4_get_inode_flags(struct ext4_inode_inf... |
c20cbe46bd5c13444e30cefc997704514dc74cc5 | Analyze and fix the following issue in the Linux kernel code: variable name fix to Documentation/rt-mutex-design.txt | Problem Details:
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz> | ```diff
diff --git a/Documentation/rt-mutex-design.txt b/Documentation/rt-mutex-design.txt
index 8df0b782c4d7..33ed8007a845 100644
--- a/Documentation/rt-mutex-design.txt
+++ b/Documentation/rt-mutex-design.txt
@@ -364,7 +364,7 @@ process this is rather easy to know what needs to be adjusted.
The functions implement... |
45de34bbe3e1b8f4c8bc8ecaf6c915b4b4c545f8 | Analyze and fix the following issue in the Linux kernel code: perf buildid: add perfconfig option to specify buildid cache dir | Problem Details:
This patch adds the ability to specify an alternate directory to store the
buildid cache (buildids, copy of binaries). By default, it is hardcoded to
$HOME/.debug. This directory contains immutable data. The layout of the
directory is such that no conflicts in filenames are possible. A modification
in ... | ```diff
diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
index f8e3d1852029..29ad20e67919 100644
--- a/tools/perf/builtin-buildid-cache.c
+++ b/tools/perf/builtin-buildid-cache.c
@@ -78,8 +78,7 @@ static int __cmd_buildid_cache(void)
struct str_node *pos;
char debugdir[PATH_MAX];... |
55c95e738da85373965cb03b4f975d0fd559865b | Analyze and fix the following issue in the Linux kernel code: fix return value of __pppoe_xmit() method. | Problem Details:
Hi,
__pppoe_xmit() in drivers/net/pppoe always returns 1.
When the methods fails (via goto abort), it should return 0 and not 1.
Regards,
Rami Rosen
Signed-off-by: Rami Rosen <ramirose@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net> | ```diff
diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index 805b64d1e893..7ebb8e87efa4 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -949,7 +949,7 @@ static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb)
abort:
kfree_skb(skb);
- return 1;
+ return 0;
}
/************************... |
0b75f775288b90a83a8708a5af663a03d4bbc9ce | Analyze and fix the following issue in the Linux kernel code: Input: pcf8574_keypad - fix off by one in pcf8574_kp_irq_handler() | Problem Details:
If nextstate == ARRAY_SIZE(lp->btncode), then we read one past the end of
the array on the next line.
This fixes a smatch warning:
drivers/input/misc/pcf8574_keypad.c +74 pcf8574_kp_irq_handler(8)
error: buffer overflow 'lp->btncode' 17 <= 17
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by... | ```diff
diff --git a/drivers/input/misc/pcf8574_keypad.c b/drivers/input/misc/pcf8574_keypad.c
index 5c3ac4e0b055..376e54df4763 100644
--- a/drivers/input/misc/pcf8574_keypad.c
+++ b/drivers/input/misc/pcf8574_keypad.c
@@ -69,7 +69,7 @@ static irqreturn_t pcf8574_kp_irq_handler(int irq, void *dev_id)
unsigned char ne... |
9bea7f23952d5948f8e5dfdff4de09bb9981fb5f | Analyze and fix the following issue in the Linux kernel code: module: fix bne2 "gave up waiting for init of module libcrc32c" | Problem Details:
Problem: it's hard to avoid an init routine stumbling over a
request_module these days. And it's not clear it's always a bad idea:
for example, a module like kvm with dynamic dependencies on kvm-intel
or kvm-amd would be neater if it could simply request_module the right
one.
In this particular case,... | ```diff
diff --git a/kernel/module.c b/kernel/module.c
index f99558e1945a..8c6b42840dd1 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -582,33 +582,26 @@ static int add_module_usage(struct module *a, struct module *b)
}
/* Module a uses b: caller needs module_mutex() */
-int use_module(struct module *a, stru... |
3bafeb6247042dcbb72b0141ec7c7107de9f0b99 | Analyze and fix the following issue in the Linux kernel code: module: move find_module check to end | Problem Details:
I think Rusty may have made the lock a bit _too_ finegrained there, and
didn't add it to some places that needed it. It looks, for example, like
PATCH 1/2 actually drops the lock in places where it's needed
("find_module()" is documented to need it, but now load_module() didn't
hold it at all when it d... | ```diff
diff --git a/kernel/module.c b/kernel/module.c
index d293c213c22c..28450047852a 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2226,11 +2226,6 @@ static noinline struct module *load_module(void __user *umod,
goto free_mod;
}
- if (find_module(mod->name)) {
- err = -EEXIST;
- goto free_mod;
- }
... |
75676500f8298f0ee89db12db97294883c4b768e | Analyze and fix the following issue in the Linux kernel code: module: make locking more fine-grained. | Problem Details:
Kay Sievers <kay.sievers@vrfy.org> reports that we still have some
contention over module loading which is slowing boot.
Linus also disliked a previous "drop lock and regrab" patch to fix the
bne2 "gave up waiting for init of module libcrc32c" message.
This is more ambitious: we only grab the lock wh... | ```diff
diff --git a/kernel/module.c b/kernel/module.c
index 808aa18dd661..d293c213c22c 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -72,7 +72,11 @@
/* If this is set, the section belongs in the init part of the module */
#define INIT_OFFSET_MASK (1UL << (BITS_PER_LONG-1))
-/* List of modules, protected by... |
c8e21ced08b39ef8dfe7236fb2a923a95f645262 | Analyze and fix the following issue in the Linux kernel code: module: fix kdb's illicit use of struct module_use. | Problem Details:
Linus changed the structure, and luckily this didn't compile any more.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Martin Hicks <mort@sgi.com> | ```diff
diff --git a/include/linux/module.h b/include/linux/module.h
index 680db9e2ac36..5d8fca5dcff5 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -181,6 +181,13 @@ void *__symbol_get(const char *symbol);
void *__symbol_get_gpl(const char *symbol);
#define symbol_get(x) ((typeof(&x))(__symbol_g... |
2c02dfe7fe3fba97a5665d329d039d2415ea5607 | Analyze and fix the following issue in the Linux kernel code: module: Make the 'usage' lists be two-way | Problem Details:
When adding a module that depends on another one, we used to create a
one-way list of "modules_which_use_me", so that module unloading could
see who needs a module.
It's actually quite simple to make that list go both ways: so that we
not only can see "who uses me", but also see a list of modules that... | ```diff
diff --git a/include/linux/module.h b/include/linux/module.h
index 6914fcad4673..680db9e2ac36 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -359,7 +359,9 @@ struct module
#ifdef CONFIG_MODULE_UNLOAD
/* What modules depend on me? */
- struct list_head modules_which_use_me;
+ struct lis... |
c496fa1fff0248ef8cd637efb52b70dea7afaa9d | Analyze and fix the following issue in the Linux kernel code: drm/i915/gen4: Fix interrupt setup ordering | Problem Details:
Unmask, then enable interrupts, then enable interrupt sources; matches
PCH ordering. The old way (sources, enable, unmask) gives a window
during which interrupt conditions would appear in ISR but would never
reach IIR and thus never raise an IRQ. Since interrupts only trigger
on rising edges in ISR, ... | ```diff
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 2479be001e40..e9710a7005d4 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1387,29 +1387,10 @@ int i915_driver_irq_postinstall(struct drm_device *dev)
dev_priv->pipestat[1] = 0;
if (... |
0d0659c78d7ea29ad6c3c538dcaae0227f31b9d2 | Analyze and fix the following issue in the Linux kernel code: arch/sparc/kernel: Eliminate what looks like a NULL pointer dereference | Problem Details:
At the point of the test, action cannot be NULL, as it has been dereferenced
in the code just above.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@r exists@
expression E,E1;
identifier f;
statement S1,S2,S3;
@@
if ((E == NUL... | ```diff
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index ab036a72de5a..e11b4612dabb 100644
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -183,7 +183,7 @@ void sun4d_free_irq(unsigned int irq, void *dev_id)
goto out_unlock;
}
- if (action && tmp)
+ if ... |
ca55158c6ecb7832a6ad80ac44a14d23bab8cdfc | Analyze and fix the following issue in the Linux kernel code: rps: tcp: fix rps_sock_flow_table table updates | Problem Details:
I believe a moderate SYN flood attack can corrupt RFS flow table
(rps_sock_flow_table), making RPS/RFS much less effective.
Even in a normal situation, server handling short lived sessions suffer
from bad steering for the first data packet of a session, if another SYN
packet is received for another se... | ```diff
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 202cf09c4cd4..fe193e53af44 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1555,6 +1555,7 @@ int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb)
#endif
if (sk->sk_state == TCP_ESTABLISHED) { /* Fast path */
+ sock_rps_save_rxh... |
536e00e570c87f258554e919c444b81a7002e46d | Analyze and fix the following issue in the Linux kernel code: ppp_generic: fix multilink fragment sizes | Problem Details:
Fix bug in multilink fragment size calculation introduced by
commit 9c705260feea6ae329bc6b6d5f6d2ef0227eda0a
"ppp: ppp_mp_explode() redesign"
Signed-off-by: Ben McKeegan <ben@netservers.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net> | ```diff
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index c5f8eb102bf7..1b2c29150202 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -1422,7 +1422,7 @@ static int ppp_mp_explode(struct ppp *ppp, struct sk_buff *skb)
flen = len;
if (nfree > 0) {
if (pch->speed =... |
683eb94777c3c67b9b258765b9cb03641344c418 | Analyze and fix the following issue in the Linux kernel code: omap: remove BUG_ON for disabled interrupts | Problem Details:
Remove a BUG_ON for when interrupts are disabled during an MMC request.
During boot, interrupts can be disabled when a request is made, causing
this bug to be triggered. In reality, there's no reason this should halt
the kernel, as the driver has proved reliable in spite of disabled
interrupts, and a... | ```diff
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 2b281680e320..d98ddcfac5e5 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1157,7 +1157,6 @@ static void mmc_omap_start_request(struct mmc_omap_host *host,
mmc_omap_start_command(host, req->cmd);
if (host->dma_in_use... |
bb21c7ce18eff8e6e7877ca1d06c6db719376e3c | Analyze and fix the following issue in the Linux kernel code: vmscan: fix do_try_to_free_pages() return value when priority==0 reclaim failure | Problem Details:
Greg Thelen reported recent Johannes's stack diet patch makes kernel hang.
His test is following.
mount -t cgroup none /cgroups -o memory
mkdir /cgroups/cg1
echo $$ > /cgroups/cg1/tasks
dd bs=1024 count=1024 if=/dev/null of=/data/foo
echo $$ > /cgroups/tasks
echo 1 > /cgroups/cg1/memory.f... | ```diff
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 915dceb487c1..9c7e57cc63a3 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1724,13 +1724,13 @@ static void shrink_zone(int priority, struct zone *zone,
* If a zone is deemed to be full of pinned pages then just give it a light
* scan then give up on it.
*/
-stat... |
9e506f7adce8e6165a104d3d78fddd8ff0cdccf8 | Analyze and fix the following issue in the Linux kernel code: kernel/: fix BUG_ON checks for cpu notifier callbacks direct call | Problem Details:
The commit 80b5184cc537718122e036afe7e62d202b70d077 ("kernel/: convert cpu
notifier to return encapsulate errno value") changed the return value of
cpu notifier callbacks.
Those callbacks don't return NOTIFY_BAD on failures anymore. But there
are a few callbacks which are called directly at init time... | ```diff
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 825e1126008f..07b4f1b1a73a 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -850,7 +850,7 @@ static __init int spawn_ksoftirqd(void)
void *cpu = (void *)(long)smp_processor_id();
int err = cpu_callback(&cpu_nfb, CPU_UP_PREPARE, cpu);
- BUG_ON(e... |
b1413357d924792e2e332dcb6b712a7fb2a5fb25 | Analyze and fix the following issue in the Linux kernel code: fbdev: fix frame buffer devices menu | Problem Details:
Commit f601441916d1e19291d0b4f044b4a7551e2924d0 ("imxfb: add support for
i.MX25:) has inserted the symbol HAVE_FB_IMX, which does not depend on FB
after the menuconfig FB. This breaks the menu, presenting most of the
drivers outside of it, when using menuconfig.
Moving the symbol to the start of the ... | ```diff
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 1e6fec487973..3d94a1471724 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -8,6 +8,9 @@ menu "Graphics support"
config HAVE_FB_ATMEL
bool
+config HAVE_FB_IMX
+ bool
+
source "drivers/char/agp/Kconfig"
source "drivers/gpu... |
fc0ccfceb8aa6800040ba4f37a36ee306aa71c9f | Analyze and fix the following issue in the Linux kernel code: arch/um: fix kunmap_atomic() call in skas/uaccess.c | Problem Details:
kunmap_atomic() takes a pointer to within the page, not the struct page.
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | ```diff
diff --git a/arch/um/kernel/skas/uaccess.c b/arch/um/kernel/skas/uaccess.c
index e22c96993db3..696634214dc6 100644
--- a/arch/um/kernel/skas/uaccess.c
+++ b/arch/um/kernel/skas/uaccess.c
@@ -81,7 +81,7 @@ static int do_op_one_page(unsigned long addr, int len, int is_write,
current->thread.fault_catcher = NU... |
485d527686850d68a0e9006dd9904f19f122485e | Analyze and fix the following issue in the Linux kernel code: sys_personality: change sys_personality() to accept "unsigned int" instead of u_long | Problem Details:
task_struct->pesonality is "unsigned int", but sys_personality() paths use
"unsigned long pesonality". This means that every assignment or
comparison is not right. In particular, if this argument does not fit
into "unsigned int" __set_personality() changes the caller's personality
and then sys_person... | ```diff
diff --git a/include/linux/personality.h b/include/linux/personality.h
index 126120819a0d..eec3bae164d4 100644
--- a/include/linux/personality.h
+++ b/include/linux/personality.h
@@ -12,7 +12,7 @@ struct pt_regs;
extern int register_exec_domain(struct exec_domain *);
extern int unregister_exec_domain(stru... |
d6d03f9158516b50d0d343158e3f33bcff1e4ca5 | Analyze and fix the following issue in the Linux kernel code: fb_defio: redo fix for non-dirty ptes | Problem Details:
As pointed by Nick Piggin, ->page_mkwrite provides a way to keep a page
locked until the associated PTE is marked dirty.
Re-implement the fix by using this mechanism.
Signed-off-by: Albert Herranz <albert_herranz@yahoo.es>
Acked-by: Jaya Kumar <jayakumar.lkml@gmail.com>
Acked-by: Nick Piggin <npiggin... | ```diff
diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c
index 137100ea8ad7..6b93ef93cb12 100644
--- a/drivers/video/fb_defio.c
+++ b/drivers/video/fb_defio.c
@@ -100,6 +100,16 @@ static int fb_deferred_io_mkwrite(struct vm_area_struct *vma,
/* protect against the workqueue changing the page list */
... |
3f505ca45735c35576dab4ceb3e3736d528b6672 | Analyze and fix the following issue in the Linux kernel code: Revert "fb_defio: fix for non-dirty ptes" | Problem Details:
This reverts commit 49bbd815fd8ba26d0354900b783b767c7f47c816 ("fb_defio:
fix for non-dirty ptes").
Although the fix provided is correct, it's been suggested to avoid the
underlying race in the same way as it is currently done in filesystems
like NFS, for maintainability.
A following patch "fb_defio: ... | ```diff
diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c
index 073c9b408cf7..137100ea8ad7 100644
--- a/drivers/video/fb_defio.c
+++ b/drivers/video/fb_defio.c
@@ -155,41 +155,25 @@ static void fb_deferred_io_work(struct work_struct *work)
{
struct fb_info *info = container_of(work, struct fb_info,
... |
1da083c9b23dafd6bcb08dcfec443e66e90efff0 | Analyze and fix the following issue in the Linux kernel code: flat: fix unmap len in load error path | Problem Details:
The data chunk is mmaped with 'len' which remains unchanged, so use that
when unmapping in the error path rather than trying to recalculate (and
incorrectly so) the value used originally.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: David McCullough <davidm@snapgear.com>
Acked-by: Greg ... | ```diff
diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index b8656225b34b..b6ab27ccf214 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -596,7 +596,7 @@ static int load_flat_file(struct linux_binprm * bprm,
if (IS_ERR_VALUE(result)) {
printk("Unable to read data+bss, errno %d\n", (int)-result);
do_... |
2e94de8acbe524d919f1ea8807913d7b005e1578 | Analyze and fix the following issue in the Linux kernel code: fs/binfmt_flat.c: split the stack & data alignments | Problem Details:
The stack and data have different alignment requirements, so don't force
them to wear the same shoe. Increase the data alignment to match that
which the elf2flt linker script has always been using: 0x20 bytes. Not
only does this bring the kernel loader in line with the toolchain, but it
also fixes a ... | ```diff
diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index 49566c1687d8..b8656225b34b 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -56,15 +56,22 @@
#endif
/*
- * User data (stack, data section and bss) needs to be aligned
- * for the same reasons as SLAB memory is, and to the same amount.
- * Avoid d... |
af5a30d8cfcfc561336f982b06345d6b815e0bb3 | Analyze and fix the following issue in the Linux kernel code: fix truncate inode time modification breakage | Problem Details:
mtime and ctime should be changed only if the file size has actually
changed. Patches changing ext2 and tmpfs from vmtruncate to new truncate
sequence has caused regressions where they always update timestamps.
There is some strange cases in POSIX where truncate(2) must not update
times unless the siz... | ```diff
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 19214435b752..3675088cb88c 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -1552,7 +1552,7 @@ int ext2_setattr(struct dentry *dentry, struct iattr *iattr)
if (error)
return error;
}
- if (iattr->ia_valid & ATTR_SIZE) {
+ if (iattr->ia_valid & A... |
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