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47684808fd89d6809c0886e06f8ac324252499d8
Analyze and fix the following issue in the Linux kernel code: wl12xx: support FW TX inactivity triggers
Problem Details: In AP mode we register for the MAX_TX_RETRY and INACTIVE_STA events. Both are reported to the upper layers as a TX failure in the offending stations. In STA mode we register only for the MAX_TX_RETRY event. A TX failure is interpreted as a loss of connection. Support for IEEE80211_HW_REPORTS_TX_ACK_S...
```diff diff --git a/drivers/net/wireless/wl12xx/acx.c b/drivers/net/wireless/wl12xx/acx.c index b277947400b5..a5c9c0aff83f 100644 --- a/drivers/net/wireless/wl12xx/acx.c +++ b/drivers/net/wireless/wl12xx/acx.c @@ -1524,22 +1524,46 @@ out: return ret; } -int wl1271_acx_max_tx_retry(struct wl1271 *wl) +int wl1271_a...
f325757ab2812b42da4d690cf8da73c0e678368c
Analyze and fix the following issue in the Linux kernel code: iwl4965: fix "TX Power requested while scanning"
Problem Details: Fix the following: WARNING: at drivers/net/wireless/iwlegacy/iwl-4965.c:1128 \ iwl4965_send_tx_power+0x61/0x102 [iwl4965]() Hardware name: [...] TX Power requested while scanning! Pid: 5723, comm: kworker/u:28 Not tainted 2.6.39-0.rc4.4.fc14.x86_64 #1 Call Trace: [<ffffffff8104e27b>] warn_slowpath_c...
```diff diff --git a/drivers/net/wireless/iwlegacy/iwl4965-base.c b/drivers/net/wireless/iwlegacy/iwl4965-base.c index d484c3678163..a62fe24ee594 100644 --- a/drivers/net/wireless/iwlegacy/iwl4965-base.c +++ b/drivers/net/wireless/iwlegacy/iwl4965-base.c @@ -2984,15 +2984,15 @@ static void iwl4965_bg_txpower_work(struc...
1501b6764f0c363a9f1d72f9d422841f81f1bd8c
Analyze and fix the following issue in the Linux kernel code: iwlegacy: led stay solid on when no traffic
Problem Details: commit 5ed540aecc2aae92d5c97b9a9306a5bf88ad5574 change the led behavior for iwlwifi driver; the side effect cause led blink all the time. Modify the led blink table to fix this problem Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/iwlegacy/iwl-led.c b/drivers/net/wireless/iwlegacy/iwl-led.c index 15eb8b707157..bda0d61b2c0d 100644 --- a/drivers/net/wireless/iwlegacy/iwl-led.c +++ b/drivers/net/wireless/iwlegacy/iwl-led.c @@ -48,8 +48,21 @@ module_param(led_mode, int, S_IRUGO); MODULE_PARM_DESC(led_mode, ...
cc03638df20acbec5d0d0d9e07234aadde9e698d
Analyze and fix the following issue in the Linux kernel code: mm: check if PTE is already allocated during page fault
Problem Details: With transparent hugepage support, handle_mm_fault() has to be careful that a normal PMD has been established before handling a PTE fault. To achieve this, it used __pte_alloc() directly instead of pte_alloc_map as pte_alloc_map is unsafe to run against a huge PMD. pte_offset_map() is called once it ...
```diff diff --git a/mm/memory.c b/mm/memory.c index ce22a250926f..607098d47e74 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3396,7 +3396,7 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, * run pte_offset_map on the pmd, if an huge pmd could * materialize from under us from a different ...
365a0deae2b6743b3263a71871bbd8c9f66ac34c
Analyze and fix the following issue in the Linux kernel code: uml: fix hppfs build
Problem Details: Make HoneyPot ProcFS depend on CONFIG_PROC_FS so that it will build. Recommended by Christoph Hellwig. Addresses https://bugzilla.kernel.org/show_bug.cgi?id=33692 Reported-by: Simon Danner <danner.simon@gmail.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Jeff Dike <jdike@addtoit.com>...
```diff diff --git a/arch/um/Kconfig.um b/arch/um/Kconfig.um index 90a438acbfaf..b5e675e370c6 100644 --- a/arch/um/Kconfig.um +++ b/arch/um/Kconfig.um @@ -47,7 +47,7 @@ config HOSTFS config HPPFS tristate "HoneyPot ProcFS (EXPERIMENTAL)" - depends on EXPERIMENTAL + depends on EXPERIMENTAL && PROC_FS help hpp...
57d8e02e3cd21bccf2b84b26b42feb79e1f0f83e
Analyze and fix the following issue in the Linux kernel code: um: mdd support for 64 bit atomic operations
Problem Details: This adds support for 64 bit atomic operations on 32 bit UML systems. XFS needs them since 2.6.38. $ make ARCH=um SUBARCH=i386 ... LD .tmp_vmlinux1 fs/built-in.o: In function `xlog_regrant_reserve_log_space': xfs_log.c:(.text+0xd8584): undefined reference to `atomic64_read_386' xfs...
```diff diff --git a/arch/um/sys-i386/Makefile b/arch/um/sys-i386/Makefile index 804b28dd0328..b1da91c1b200 100644 --- a/arch/um/sys-i386/Makefile +++ b/arch/um/sys-i386/Makefile @@ -4,7 +4,7 @@ obj-y = bug.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \ ptrace_user.o setjmp.o signal.o stub.o stub_seg...
78f11a255749d09025f54d4e2df4fbcb031530e2
Analyze and fix the following issue in the Linux kernel code: mm: thp: fix /dev/zero MAP_PRIVATE and vm_flags cleanups
Problem Details: The huge_memory.c THP page fault was allowed to run if vm_ops was null (which would succeed for /dev/zero MAP_PRIVATE, as the f_op->mmap wouldn't setup a special vma->vm_ops and it would fallback to regular anonymous memory) but other THP logics weren't fully activated for vmas with vm_file not NULL (/...
```diff diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index df29c8fde36b..8847c8c29791 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -117,7 +117,7 @@ static inline void vma_adjust_trans_huge(struct vm_area_struct *vma, unsigned long end, long adjust_next) { - if (...
6d4831c283530a5f2c6bd8172c13efa236eb149d
Analyze and fix the following issue in the Linux kernel code: vfs: avoid large kmalloc()s for the fdtable
Problem Details: Azurit reports large increases in system time after 2.6.36 when running Apache. It was bisected down to a892e2d7dcdfa6c76e6 ("vfs: use kmalloc() to allocate fdmem if possible"). That patch caused the vfs to use kmalloc() for very large allocations and this is causing excessive work (and presumably ex...
```diff diff --git a/fs/file.c b/fs/file.c index 0be344755c02..4c6992d8f3ba 100644 --- a/fs/file.c +++ b/fs/file.c @@ -9,6 +9,7 @@ #include <linux/module.h> #include <linux/fs.h> #include <linux/mm.h> +#include <linux/mmzone.h> #include <linux/time.h> #include <linux/sched.h> #include <linux/slab.h> @@ -39,14 +40...
1a18a29478a38e5df382cd299f636187fde773ab
Analyze and fix the following issue in the Linux kernel code: xfs: fix compiler warning in xfs_trace.h
Problem Details: xfs_fsblock_t may be a 32-bit type on if XFS_BIG_BLKNOS is not set, make sure to cast a value of this type to an unsigned long long before using the ll printk qualifier. Reported-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinne...
```diff diff --git a/fs/xfs/linux-2.6/xfs_trace.h b/fs/xfs/linux-2.6/xfs_trace.h index 37df9ad7fd1a..d48b7a579ae1 100644 --- a/fs/xfs/linux-2.6/xfs_trace.h +++ b/fs/xfs/linux-2.6/xfs_trace.h @@ -1391,7 +1391,7 @@ DECLARE_EVENT_CLASS(xfs_alloc_class, __entry->wasfromfl, __entry->isfl, __entry->userdata, -...
45c51b99943c4c74165b19dc2f96e8ba93bdecb9
Analyze and fix the following issue in the Linux kernel code: xfs: cleanup duplicate initializations
Problem Details: follow these guidelines: - leave initialization in the declaration block if it fits the line - move to the code where it's more suitable ('for' init block) The last chunk was modified from David's original to be a correct fix for what appeared to be a duplicate initialization. Signed-off-by: David St...
```diff diff --git a/fs/xfs/xfs_dfrag.c b/fs/xfs/xfs_dfrag.c index be628677c288..9a84a85c03b1 100644 --- a/fs/xfs/xfs_dfrag.c +++ b/fs/xfs/xfs_dfrag.c @@ -202,7 +202,7 @@ xfs_swap_extents( xfs_inode_t *tip, /* tmp inode */ xfs_swapext_t *sxp) { - xfs_mount_t *mp; + xfs_mount_t *mp = ip->i_mount; xfs_trans_t *tp;...
a770bb5aea84ee2509d4775f9959665f96da3b9d
Analyze and fix the following issue in the Linux kernel code: Bluetooth: Add secure flag for mgmt_pin_code_req
Problem Details: Extend the mgmt_pin_code_request interface to require secure pin code (16 digit) for authentication. This is a kernel part of the secure pin code requirement notification to user space agent. Code styling fix by Johan Hedberg. Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com> Si...
```diff diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 2da2eb9f53ac..2995e2e63512 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -777,7 +777,7 @@ int mgmt_connected(u16 index, bdaddr_t *bdaddr); int mgmt_disconnected(u16 index, bdaddr_t *...
69b91bc1551a2fc746a01fea9d3291e60be3780d
Analyze and fix the following issue in the Linux kernel code: ASoC: Fix CODEC DAI names for Goni
Problem Details: Immediately after sending the last fix I realised that the CODEC DAI names also don't correspond to the WM8994 driver. Update the DAI names to match. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Jassi Brar <jassisinghbrar@gmail.com> Acked-by: Liam Girdwood <lrg@ti.com>
```diff diff --git a/sound/soc/samsung/goni_wm8994.c b/sound/soc/samsung/goni_wm8994.c index 3a7861c058fb..0e80daee8b6f 100644 --- a/sound/soc/samsung/goni_wm8994.c +++ b/sound/soc/samsung/goni_wm8994.c @@ -236,7 +236,7 @@ static struct snd_soc_dai_link goni_dai[] = { .name = "WM8994", .stream_name = "WM8994 HiFi",...
1270b01f7530ac73bcf08325bcd85c94e2bbebc1
Analyze and fix the following issue in the Linux kernel code: ASoC: Fix CODEC name in Goni
Problem Details: This was typoed at some point in the multi-component merge, though the driver was added along with that. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Jassi Brar <jassisinghbrar@gmail.com> Acked-by: Liam Girdwood <lrg@ti.com>
```diff diff --git a/sound/soc/samsung/goni_wm8994.c b/sound/soc/samsung/goni_wm8994.c index f6b3a3ce5919..3a7861c058fb 100644 --- a/sound/soc/samsung/goni_wm8994.c +++ b/sound/soc/samsung/goni_wm8994.c @@ -238,7 +238,7 @@ static struct snd_soc_dai_link goni_dai[] = { .cpu_dai_name = "samsung-i2s.0", .codec_dai_nam...
e6fa16ab9c1e9b344428e6fea4d29e3cc4b28fb0
Analyze and fix the following issue in the Linux kernel code: signal: sigprocmask() should do retarget_shared_pending()
Problem Details: In short, almost every changing of current->blocked is wrong, or at least can lead to the unexpected results. For example. Two threads T1 and T2, T1 sleeps in sigtimedwait/pause/etc. kill(tgid, SIG) can pick T2 for TIF_SIGPENDING. If T2 calls sigprocmask() and blocks SIG before it notices the pending ...
```diff diff --git a/include/linux/signal.h b/include/linux/signal.h index fcd2b14b1932..ba009c167275 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -243,6 +243,7 @@ extern long do_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig, siginfo_t *info); extern long do_sigpending(void __user *, un...
83a5d2d1b4cc06ce17b44873e004fc0b55552183
Analyze and fix the following issue in the Linux kernel code: ARM: Fix .size directive for xscale_dma_a0_map_area
Problem Details: gas used to accept (and ignore?) .size directives which referred to undefined symbols, as this does. In binutils 2.21 these are treated as fatal errors. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
```diff diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S index ce233bcbf506..42af97664c9d 100644 --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S @@ -395,7 +395,7 @@ ENTRY(xscale_dma_a0_map_area) teq r2, #DMA_TO_DEVICE beq xscale_dma_clean_range b xscale_dma_flush_range -ENDPROC(x...
525566cb60e167ca1cd770f3d0738735ec3503bb
Analyze and fix the following issue in the Linux kernel code: ALSA: hda - VIA: Fix notify_aa_path_ctls() invalid issue.
Problem Details: In notify_aa_path_ctls(), adds 'rear mic' item and confirms the A-A path control existing before notifying card that the A-A path volume is muted if smart5.1 is enabled. Signed-off-by: Lydia Wang <lydiawang@viatech.com.cn> Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c index 1371b57c11e8..0997031c48d2 100644 --- a/sound/pci/hda/patch_via.c +++ b/sound/pci/hda/patch_via.c @@ -1292,14 +1292,18 @@ static void notify_aa_path_ctls(struct hda_codec *codec) { int i; struct snd_ctl_elem_id id; - const char *label...
f945a3d9600633de589ce698233b34ff6ad57e55
Analyze and fix the following issue in the Linux kernel code: rtc: max8925: Call dev_set_drvdata before rtc_device_register
Problem Details: We call rtc_read_alarm from rtc_device_register, so it is important that the rtc device is fully initialized prior to registration. rtc-max8925 sets drvdata after register, so the rtc_read_alarm code dereferences a NULL pointer. Call dev_set_drvdata before rtc_device_register. [ jstultz/tglx: Massag...
```diff diff --git a/drivers/rtc/rtc-max8925.c b/drivers/rtc/rtc-max8925.c index 174036dda786..20494b5edc3c 100644 --- a/drivers/rtc/rtc-max8925.c +++ b/drivers/rtc/rtc-max8925.c @@ -257,6 +257,8 @@ static int __devinit max8925_rtc_probe(struct platform_device *pdev) goto out_irq; } + dev_set_drvdata(&pdev->dev,...
e11feaa1192a079ba8e88a12121e9b12d55d4239
Analyze and fix the following issue in the Linux kernel code: watchdog, hung_task_timeout: Add Kconfig configurable default
Problem Details: This patch allows the default value for sysctl_hung_task_timeout_secs to be set at build time. The feature carries virtually no overhead, so it makes sense to keep it enabled. On heavily loaded systems, though, it can end up triggering stack traces when there is no bug other than the system being under...
```diff diff --git a/kernel/hung_task.c b/kernel/hung_task.c index 53ead174da2f..ea640120ab86 100644 --- a/kernel/hung_task.c +++ b/kernel/hung_task.c @@ -33,7 +33,7 @@ unsigned long __read_mostly sysctl_hung_task_check_count = PID_MAX_LIMIT; /* * Zero means infinite timeout - no checking done: */ -unsigned long _...
ede70290046043b2638204cab55e26ea1d0c6cd9
Analyze and fix the following issue in the Linux kernel code: perf stat: Fix compatibility behavior
Problem Details: Instead of failing on an unknown event, when new perf stat is run on older kernels: $ ./perf stat true Error: open_counter returned with 22 (Invalid argument). /bin/dmesg may provide additional information. Fatal: Not all events could be opened. Just ignore EINVAL and ENOSYS, we'll print the...
```diff diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 5658a770dbd7..da77077450cf 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -372,7 +372,10 @@ static int run_perf_stat(int argc __used, const char **argv) list_for_each_entry(counter, &evsel_list->entries, node...
f5346668150c37094b42cc2d07ec5fd1451eb980
Analyze and fix the following issue in the Linux kernel code: Input: wm831x-ts - fix races with IRQ management
Problem Details: If the WM831x pen down and data IRQs run in parallel it is possible for the data and pen down IRQs to deadlock themselves as one is part way through disabling its operation while the other is part way through enabling. Fix this by always disabling the pen down interrupt while data is active and vice ve...
```diff diff --git a/drivers/input/touchscreen/wm831x-ts.c b/drivers/input/touchscreen/wm831x-ts.c index 6ae054f8e0aa..b9373012b3e6 100644 --- a/drivers/input/touchscreen/wm831x-ts.c +++ b/drivers/input/touchscreen/wm831x-ts.c @@ -68,8 +68,23 @@ struct wm831x_ts { unsigned int pd_irq; bool pressure; bool pen_down...
5c9db64888ecabfb170081335f30e3d7192fbcf4
Analyze and fix the following issue in the Linux kernel code: Input: twl4030-pwrbutton - fix a leak of the IRQ during init failure
Problem Details: In twl4030_pwrbutton_probe error path, free_irq() was using NULL rather than the driver data as the data pointer so free_irq() wouldn't have matched. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
```diff diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c index f16972bddca4..38e4b507b94c 100644 --- a/drivers/input/misc/twl4030-pwrbutton.c +++ b/drivers/input/misc/twl4030-pwrbutton.c @@ -89,7 +89,7 @@ static int __init twl4030_pwrbutton_probe(struct platform_device *pdev)...
60c8ba6478bb483ecd6069f566d02e33d319e72e
Analyze and fix the following issue in the Linux kernel code: Input: omap-keypad - fix a wrong free_irq() parameter
Problem Details: In current implementation, free_irq() was using NULL rather than the driver data as the data pointer so free_irq() wouldn't have matched. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
```diff diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c index 0e2a19cb43d8..f23a743817db 100644 --- a/drivers/input/keyboard/omap-keypad.c +++ b/drivers/input/keyboard/omap-keypad.c @@ -413,7 +413,7 @@ static int __devinit omap_kp_probe(struct platform_device *pdev) return 0; ...
bbb0aef5cfe95fe9b51a7eeba4a440b69037b01f
Analyze and fix the following issue in the Linux kernel code: drm: Verify debug message arguments
Problem Details: Add __attribute__((format (printf, 4, 5))) to drm_ut_debug_printk and fix fallout. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
```diff diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 741457bd1c46..62ced7554ba4 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -684,10 +684,11 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, int crtc, */ *vblank_time = ns_to_timeval(timeva...
7394371d85699a1d6d49b61f65583d6cd902a6a2
Analyze and fix the following issue in the Linux kernel code: drm: Take lock around probes for drm_fb_helper_hotplug_event
Problem Details: We need to hold the dev->mode_config.mutex whilst detecting the output status. But we also need to drop it for the call into drm_fb_helper_single_fb_probe(), which indirectly acquires the lock when attaching the fbcon. Failure to do so exposes a race with normal output probing. Detected by adding some...
```diff diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 11d7a72c22d9..140b9525b48a 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1516,17 +1516,33 @@ bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel) } EXPORT_SY...
3b11228b54cc6bda4a72bb22984203c6eff4338a
Analyze and fix the following issue in the Linux kernel code: drm: add bit depth parsing
Problem Details: EDID 1.4 digital monitors report the bit depth supported in the input field. Add support for parsing this out and storing the info in the display_info structure for use by drivers. [airlied: tweaked to fix inter-patch dependency] Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Reviewed-by: Ada...
```diff diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index adc9358c9bec..fe0d3dcd4d31 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -1412,6 +1412,57 @@ end: } EXPORT_SYMBOL(drm_detect_monitor_audio); +/** + * drm_add_display_info - pull display info out if prese...
6ff5abbf4e4aa88feb9c2367d4fbd9ea081bf98c
Analyze and fix the following issue in the Linux kernel code: Bluetooth: Fix memory leak with L2CAP channels
Problem Details: A new l2cap_chan_free() is added to free the channels. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
```diff diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index 3de90a91a4e4..0a0134161b1b 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -469,6 +469,7 @@ struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, void l2cap_send_disconn_req(struct l...
0c9c99a765321104cc5f9c97f949382a9ba4927e
Analyze and fix the following issue in the Linux kernel code: mmc: sdhci: Check mrq != NULL in sdhci_tasklet_finish
Problem Details: It seems that under certain circumstances the sdhci_tasklet_finish() call can be entered with mrq set to NULL, causing the system to crash with a NULL pointer de-reference. Seen on S3C6410 system. Based on a patch by Dimitris Papastamos. Reported-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.c...
```diff diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index fd8f488df5fa..5d20661bc357 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1334,6 +1334,13 @@ static void sdhci_tasklet_finish(unsigned long param) host = (struct sdhci_host*)param; + /* + * If t...
b7b4d3426d2b5ecab21578eb20d8e456a1aace8f
Analyze and fix the following issue in the Linux kernel code: mmc: sdhci: Check mrq->cmd in sdhci_tasklet_finish
Problem Details: It seems that under certain circumstances that the sdhci_tasklet_finish() call can be entered with mrq->cmd set to NULL, causing the system to crash with a NULL pointer de-reference. Unable to handle kernel NULL pointer dereference at virtual address 00000000 PC is at sdhci_tasklet_finish+0x34/0xe8 LR...
```diff diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 9e15f41f87be..fd8f488df5fa 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1345,7 +1345,7 @@ static void sdhci_tasklet_finish(unsigned long param) * upon error conditions. */ if (!(host->flags & SDHCI_DEVICE_...
c919c2a073c5d2e076e52a56b44281d922721b61
Analyze and fix the following issue in the Linux kernel code: mmc: tmio: fix .set_ios(MMC_POWER_UP) handling
Problem Details: The aggressive clock gating for TMIO MMC patch has broken switching interface power on, using MFD or platform callbacks. Restore the ios->power_mode == MMC_POWER_UP && ios->clock == 0 case handling. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
```diff diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index 62d37de6de76..710339a85c84 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -728,15 +728,15 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) tmio_mmc_set_clock(h...
26fc8775b51484d8c0a671198639c6d5ae60533e
Analyze and fix the following issue in the Linux kernel code: mmc: fix a race between card-detect rescan and clock-gate work instances
Problem Details: Currently there is a race in the MMC core between a card-detect rescan work and the clock-gating work, scheduled from a command completion. Fix it by removing the dedicated clock-gating mutex and using the MMC standard locking mechanism instead. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx...
```diff diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 461e6a17fb90..2b200c1cfbba 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -94,7 +94,7 @@ static void mmc_host_clk_gate_delayed(struct mmc_host *host) spin_unlock_irqrestore(&host->clk_lock, flags); return; } - mu...
f69475142136c8ad9b9c717aea2ff907aed9f863
Analyze and fix the following issue in the Linux kernel code: mmc: omap: Fix possible NULL pointer deref
Problem Details: Either OMAP_MMC_STAT_CARD_ERR or OMAP_MMC_STAT_END_OF_CMD might fire if there is no host->cmd pointer. Check for a valid host->cmd pointer before calling mmc_omap_cmd_done(). Signed-off-by: Michael Buesch <mb@bu3sch.de> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Chris Ball <cjb@laptop....
```diff diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c index 2e032f0e8cf4..a6c329040140 100644 --- a/drivers/mmc/host/omap.c +++ b/drivers/mmc/host/omap.c @@ -832,7 +832,7 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id) return IRQ_HANDLED; } - if (end_command) + if (end_command && host-...
9bc21848b1d6cb8389d927196b16c9950b5e21e9
Analyze and fix the following issue in the Linux kernel code: mmc: core: mmc_add_card(): fix missing break in switch statement
Problem Details: Fixes a cosmetic bug that affects printk() for SD-combo cards. Reported-by: Prashanth Bhat <prashanth.bhat@manipal.net> Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Chris Ball <cjb@laptop.org>
```diff diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index 63667a8f140c..d6d62fd07ee9 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -284,6 +284,7 @@ int mmc_add_card(struct mmc_card *card) type = "SD-combo"; if (mmc_card_blockaddr(card)) type = "SDHC-combo"; + break; d...
9fdcdbb0d84922e7ccda2f717a04ea62629f7e18
Analyze and fix the following issue in the Linux kernel code: mmc: sdhci-pci: Fix error case in sdhci_pci_probe_slot()
Problem Details: If pci_ioremap_bar() fails during probe, we "goto release;" and free the host, but then we return 0 -- which tells sdhci_pci_probe() that the probe succeeded. Since we think the probe succeeded, when we unload sdhci we'll go to sdhci_pci_remove_slot() and it will try to dereference slot->host, which i...
```diff diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index a136be706347..f8b5f37007b2 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -957,6 +957,7 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot( host->ioaddr = pci_ioremap_bar(pdev, bar); ...
0c61227094b3ddaca2f847ee287c4a2e3762b5a2
Analyze and fix the following issue in the Linux kernel code: x86, setup: Fix EDD3.0 data verification.
Problem Details: Check for nonzero path in edd_has_edd30() has no sense. First, it looks at the wrong memory. Device path starts at offset 30 of the info->params structure which is at offset 8 from the beginning of info structure, but code looks at info + 4 instead. This was correct when code was introduced, but around...
```diff diff --git a/drivers/firmware/edd.c b/drivers/firmware/edd.c index 96c25d93eed1..f1b7f659d3c9 100644 --- a/drivers/firmware/edd.c +++ b/drivers/firmware/edd.c @@ -531,8 +531,8 @@ static int edd_has_edd30(struct edd_device *edev) { struct edd_info *info; - int i, nonzero_path = 0; - char c; + int i; + u8 csu...
860ad7823fdc00cd61dc70e7f35e07fb327cc9a4
Analyze and fix the following issue in the Linux kernel code: ARM: 6884/1: Fix infinite loop in ARM user perf_event backtrace code
Problem Details: The ARM user backtrace code can get into an infinite loop if it runs into an invalid stack frame which points back to itself. This situation has been observed in practice. Fix it by capping the number of entries in the backtrace. This is also what other architectures do in their backtrace code. Sign...
```diff diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index 979da3947f42..139e3c827369 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -746,7 +746,8 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs) tail = (struct frame_tail _...
15ecd039b7182d725f4294e01f2fb12c3a88db17
Analyze and fix the following issue in the Linux kernel code: r8169: fix merge conflict fix.
Problem Details: - use adequate MAC_VER id (see 01dc7fec4025f6bb72b6b98ec88b375346b6dbbb) - remove duplicate rtl_firmware_info record - remove duplicate functions Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Realtek linux nic maintainers <nic_swsd@realtek.com> Signed-off-by: David S. Miller <davem@davem...
```diff diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 025dedda40a0..6364e0b03fdd 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -191,9 +191,8 @@ static const struct rtl_firmware_info { { .mac_version = RTL_GIGA_MAC_VER_26, .fw_name = FIRMWARE_8168D_2 }, { .mac_version = RTL_GIGA_MAC_VE...
625034113bd45c71fb9e329f52f25fef9e6993a3
Analyze and fix the following issue in the Linux kernel code: sctp: fix sctp to work with ipv6 source address routing
Problem Details: In the below test case, using the source address routing, sctp can not work. Node-A 1)ifconfig eth0 inet6 add 2001:1::1/64 2)ip -6 rule add from 2001:1::1 table 100 pref 100 3)ip -6 route add 2001:2::1 dev eth0 table 100 4)sctp_darn -H 2001:1::1 -P 250 -l & Node-B 1)ifconfig eth0 inet6 add 2001:2::1/64...
```diff diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index 321f175055bf..3a571d6614f9 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -80,6 +80,9 @@ #include <asm/uaccess.h> +static inline int sctp_v6_addr_match_len(union sctp_addr *s1, + union sctp_addr *s2); + /* Event handler for inet6 address add...
28331a46d88459788c8fca72dbb0415cd7f514c9
Analyze and fix the following issue in the Linux kernel code: NFSv4: Ensure we request the ordinary fileid when doing readdirplus
Problem Details: When readdir() returns a directory entry for the root of a mounted filesystem, Linux follows the old convention of returning the inode number of the covered directory (despite newer versions of POSIX declaring that this is a bug). To ensure this continues to work, the NFSv4 readdir implementation reque...
```diff diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index ba952bdc4d62..7310d2ec5de8 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -1452,26 +1452,25 @@ static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_...
2bce5daca28346f19c190dbdb5542c9fe3e8c6e6
Analyze and fix the following issue in the Linux kernel code: perf, x86, nmi: Move LVT un-masking into irq handlers
Problem Details: It was noticed that P4 machines were generating double NMIs for each perf event. These extra NMIs lead to 'Dazed and confused' messages on the screen. I tracked this down to a P4 quirk that said the overflow bit had to be cleared before re-enabling the apic LVT mask. My first attempt was to move the...
```diff diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index fac0654021b8..e638689279d3 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -1288,6 +1288,16 @@ static int x86_pmu_handle_irq(struct pt_regs *regs) cpuc = &__get_cpu_var(cpu_hw_event...
9ceb1c3d1fe15c2f9b55eaa8978019ef0e0a06ac
Analyze and fix the following issue in the Linux kernel code: perf stat: Fix printout vertical alignment
Problem Details: Before: | | Performance counter stats for '/home/mingo/hackbench 20' (5 runs): | | 71,321,607 instructions:u # 0.42 insns per cycle ( +- 0.00% ) | 168,040,009 cycles:u # 0.000 GHz ( +- 0.81% ) | | 1.468002368 seconds ...
```diff diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 6959fdecb203..003caa857a44 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -575,7 +575,7 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg) if (total) ratio = avg / total; - fprin...
cb34c207af4944e9c93e2b462e351430f15daad6
Analyze and fix the following issue in the Linux kernel code: ALSA: hda - VIA: Fix Smart5.1 isn't useful for 6 audio jacks motherboard.
Problem Details: For some motherboards with 5 or 6 audio jacks which had six or eight multiple channels output, smart5.1 item is no useful and should be removed. Signed-off-by: Lydia Wang <lydiawang@viatech.com.cn> Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c index 15b57a101aa0..62fe64c419d5 100644 --- a/sound/pci/hda/patch_via.c +++ b/sound/pci/hda/patch_via.c @@ -1021,6 +1021,11 @@ static int via_smart51_build(struct via_spec *spec) hda_nid_t nid; int i; + if (!cfg) + return 0; + if (cfg->li...
66e6961c8e53c0c0079d5b67faf9b7fe33525892
Analyze and fix the following issue in the Linux kernel code: ixgbe: convert to ethtool set_phys_id
Problem Details: Based on the original patch submitted by Stephen Hemminger. This patch makes the following changes: - Change ETHTOOL_ID_INACTIVE return value to 2 (blinks/sec) - Fix restoring of IXGBE_LEDCTL CC: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> Tested...
```diff diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h index 8d468028bb55..37ff531d59c0 100644 --- a/drivers/net/ixgbe/ixgbe.h +++ b/drivers/net/ixgbe/ixgbe.h @@ -461,6 +461,7 @@ struct ixgbe_adapter { u16 eeprom_version; int node; + u32 led_reg; struct work_struct check_overtemp_task; u32...
e7fd9253d83703838953160ebb2899c5f6e2eee1
Analyze and fix the following issue in the Linux kernel code: ixgbe: fix X540 ethtool loopback test.
Problem Details: On X540 we need to set the MACC.FLU bit to 1 in order to force the link up before entering MAC loopback. This is only used in the ethtool loopback test, which was failing. This patch corrects it. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Tested-by: Evan Swanson <evan.swanson@intel.co...
```diff diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c index 6cf1c71ed7f1..bd7524e4a00c 100644 --- a/drivers/net/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ixgbe/ixgbe_ethtool.c @@ -1595,6 +1595,13 @@ static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter) struct ixgbe_hw ...
7aba7b077f638deb9569e0b36256cd9ae76e468c
Analyze and fix the following issue in the Linux kernel code: ixgbe: do not clear FCoE DDP error status for received ABTS
Problem Details: The ddp->err is initialized to be 1 to make sure outstanding DDP context is guaranteed to be invalidated when HW is not auto-invalidating it. However, in case of receiving ABTS response for a DDPed I/O, the ddp->err was cleared, bypassing the invalidating of the DDP context from upper protocol stack wh...
```diff diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c index dba7d77588ef..05920726e824 100644 --- a/drivers/net/ixgbe/ixgbe_fcoe.c +++ b/drivers/net/ixgbe/ixgbe_fcoe.c @@ -416,8 +416,7 @@ int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter, if (!ddp->udl) goto ddp_out; - ddp->err = (f...
b32c8dcc33a74fb4f1e73ed2263504f5947ca76b
Analyze and fix the following issue in the Linux kernel code: ixgbe: fix static functions
Problem Details: Define functions as static added C=1 (sparse) to my make line brought these to my attention. Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
```diff diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c index d521baf1acd3..d1cda36507f8 100644 --- a/drivers/net/ixgbe/ixgbe_82599.c +++ b/drivers/net/ixgbe/ixgbe_82599.c @@ -494,7 +494,7 @@ static void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw) * * Set the link speed...
83dfde405322320d538b7087ba741fc9a4780161
Analyze and fix the following issue in the Linux kernel code: ixgbe: register defines cleanup
Problem Details: Remove duplicates. Fix incorrect defines. Fix/Update comments. Fix whitespace. Add new register defines. Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> Tested-by: Evan Swanson <evan.swanson@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
```diff diff --git a/drivers/net/ixgbe/ixgbe_mbx.h b/drivers/net/ixgbe/ixgbe_mbx.h index fe6ea81dc7f8..f53dc5bb28b7 100644 --- a/drivers/net/ixgbe/ixgbe_mbx.h +++ b/drivers/net/ixgbe/ixgbe_mbx.h @@ -36,9 +36,6 @@ #define IXGBE_VFMAILBOX 0x002FC #define IXGBE_VFMBMEM 0x00200 -#define IXGBE_...
dbf80dcbd8ca0c50f343401fedd2d6200cb8097e
Analyze and fix the following issue in the Linux kernel code: e1000e: implement ethtool set_phys_id
Problem Details: Based on a patch from Stephen Hemminger <shemminger@vyatta.com>. The new ethtool set_phys_id takes over controlling the LED for identifying boards. This fixes the lockout during that period. For this device lots of extra infrastructure can also be removed by using set_phys_id. v2: - return blink fre...
```diff diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c index ae07d37903ba..8295f2192439 100644 --- a/drivers/net/e1000e/82571.c +++ b/drivers/net/e1000e/82571.c @@ -300,6 +300,7 @@ static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter) func->set_lan_id = e1000_set_lan_id_single_p...
e8e7a2b8ccfdae0d4cb6bd25824bbedcd42da316
Analyze and fix the following issue in the Linux kernel code: drm/i915: restore only the mode of this driver on lastclose (v2)
Problem Details: i915 calls the panic handler function on last close to reset the modes, however this is a really bad idea for multi-gpu machines, esp shareable gpus machines. So add a new entry point for the driver to just restore its own fbcon mode. v2: move code into fb helper, fix panic code to block mode change o...
```diff diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 950720473967..11d7a72c22d9 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -342,9 +342,22 @@ int drm_fb_helper_debug_leave(struct fb_info *info) } EXPORT_SYMBOL(drm_fb_helper_debug_leave)...
ed961581a7ca91d6a4852af2e44333e983100505
Analyze and fix the following issue in the Linux kernel code: [S390] prng: fix pointer arithmetic
Problem Details: The git commit c708c57e247775928b9a6bce7b4d8d14883bf39b fixed the access beyond the end of the stack in prng_seed but the pointer arithmetic is still incorrect. The calculation has been off by a factor of 64, now it is only off by a factor of 8. prng_seed is called with a maximum of 16 for nbytes, smal...
```diff diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c index 44bca3f994b0..8b16c479585b 100644 --- a/arch/s390/crypto/prng.c +++ b/arch/s390/crypto/prng.c @@ -76,7 +76,7 @@ static void prng_seed(int nbytes) /* Add the entropy */ while (nbytes >= 8) { - *((__u64 *)parm_block) ^= *((__u64 *)buf+i);...
e9c549998dc24209847007e1f209f3b6c88d21ba
Analyze and fix the following issue in the Linux kernel code: Revert wrong fixes for common misspellings
Problem Details: These changes were incorrectly fixed by codespell. They were now manually corrected. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
```diff diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c index f68012239641..a3a94e9c9378 100644 --- a/arch/arm/mach-davinci/dm355.c +++ b/arch/arm/mach-davinci/dm355.c @@ -314,7 +314,7 @@ static struct clk timer2_clk = { .name = "timer2", .parent = &pll1_aux_clk, .lpsc = DAVINCI_LPSC_TI...
a7b8ad405862fb10e496ce839d423dfc94ac821b
Analyze and fix the following issue in the Linux kernel code: powerpc/book3e: Fix extlb size
Problem Details: The calculation of the size for the exception save area of the TLB miss handler is wrong, luckily it's too big not too small. Rework it to make it a bit clearer, and also correct. We want 3 save areas, each EX_TLB_SIZE _bytes_. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Acked-by: Kumar ...
```diff diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index f6da4f517fca..65c13c48db43 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -106,7 +106,8 @@ struct paca_struct { pgd_t *pgd; /* Current PGD */ pgd_t *kernel_pgd; /* Kernel PGD */ u...
b91e136cdf88e19e998dbf4631ead266de4b80b5
Analyze and fix the following issue in the Linux kernel code: powerpc: Use MSR_64BIT in sstep.c, fix kprobes on BOOK3E
Problem Details: We check MSR_SF a lot in sstep.c, to decide if we need to emulate the truncation of values when running in 32-bit mode. Factor out that code into a helper, and convert it and the other uses to use MSR_64BIT. This fixes a bug on BOOK3E where kprobes would end up returning to a 32-bit address, because r...
```diff diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index ae5189ab0049..0e5e540c7778 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -44,6 +44,18 @@ extern int do_lxvd2x(int rn, unsigned long ea); extern int do_stxvd2x(int rn, unsigned long ea); #endif +/* + * Emulate th...
0407a31429500e7e56da33a326ca7cf35c2c9d65
Analyze and fix the following issue in the Linux kernel code: powerpc: Fix build warning of the defconfigs
Problem Details: BT_L2CAP and BT_SCO have changed to bool . Value 'm' has invalid . Signed-off-by: Wanlong Gao <wanlong.gao@gmail.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
```diff diff --git a/arch/powerpc/configs/c2k_defconfig b/arch/powerpc/configs/c2k_defconfig index f9e6a3ea5a64..2a84fd7f631c 100644 --- a/arch/powerpc/configs/c2k_defconfig +++ b/arch/powerpc/configs/c2k_defconfig @@ -132,8 +132,8 @@ CONFIG_NET_CLS_RSVP=m CONFIG_NET_CLS_RSVP6=m CONFIG_NET_CLS_IND=y CONFIG_BT=m -CON...
b618d2f043506e45b1d72b48a4ff7cb5b1a7011c
Analyze and fix the following issue in the Linux kernel code: powerpc/ps3: Update debug message for irq_set_chip_data()
Problem Details: commit ec775d0e70eb6b7116406b3441cb8501c2849dd2 ("powerpc: Convert to new irq_* function names") changed a call from set_irq_chip_data() to irq_set_chip_data(), but forgot to update the corresponding debug message Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Geoff Levand <geoff@i...
```diff diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c index f2f6413b81d3..523bd0d34d9d 100644 --- a/arch/powerpc/platforms/ps3/interrupt.c +++ b/arch/powerpc/platforms/ps3/interrupt.c @@ -197,7 +197,7 @@ static int ps3_virq_setup(enum ps3_cpu_binding cpu, unsigned long out...
efcac6589a277c10060e4be44b9455cf43838dc1
Analyze and fix the following issue in the Linux kernel code: powerpc: Per process DSCR + some fixes (try#4)
Problem Details: The DSCR (aka Data Stream Control Register) is supported on some server PowerPC chips and allow some control over the prefetch of data streams. This patch allows the value to be specified per thread by emulating the corresponding mfspr and mtspr instructions. Children of such threads inherit the value...
```diff diff --git a/arch/powerpc/include/asm/emulated_ops.h b/arch/powerpc/include/asm/emulated_ops.h index f0fb4fc1f6e6..45921672b97a 100644 --- a/arch/powerpc/include/asm/emulated_ops.h +++ b/arch/powerpc/include/asm/emulated_ops.h @@ -52,6 +52,10 @@ extern struct ppc_emulated { #ifdef CONFIG_VSX struct ppc_emula...
6befe5f69bae9f907e6c85bbfe298e404864092e
Analyze and fix the following issue in the Linux kernel code: init/Kconfig: fix EXPERT menu list
Problem Details: The EXPERT menu list was recently broken by the insertion of a kconfig symbol (EMBEDDED) at the beginning of the EXPERT list of kconfig items. Broken by: commit 6a108a14fa356ef607be308b68337939e56ea94e Author: David Rientjes <rientjes@google.com> Date: Thu Jan 20 14:44:16 2011 -0800 kconf...
```diff diff --git a/init/Kconfig b/init/Kconfig index 56240e724d9a..7a71e0a9992a 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -924,14 +924,6 @@ menuconfig EXPERT environments which can tolerate a "non-standard" kernel. Only use this if you really know what you are doing. -config EMBEDDED - b...
c989bb15e95a93e20fc86783264f6298116e8651
Analyze and fix the following issue in the Linux kernel code: cfg80211: fix regresion on reg user timeout
Problem Details: The patch "cfg80211: add a timer for invalid user reg hints" introduced a regression for the case where a secondary identical regulatory hint from a user is sent. What would happen is the second hint would schedule delayed work in to catch a timeout but since we are never processing it given that the h...
```diff diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 2714379ce2d6..8982053f9961 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -1455,7 +1455,8 @@ static void reg_process_hint(struct regulatory_request *reg_request) * We only time out user hints, given that they should be the only * sour...
d3bb1429a2c1470d1f84646c00e34dc6784ee06e
Analyze and fix the following issue in the Linux kernel code: rtlwifi: rtl8192ce: rtl8192cu: Fix most sparse warnings
Problem Details: Fix most sparse warnings in rtlwifi, rtl8192ce and rtl8192cu drivers. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c index 2df99463a681..d3666573d6b8 100644 --- a/drivers/net/wireless/rtlwifi/base.c +++ b/drivers/net/wireless/rtlwifi/base.c @@ -795,7 +795,7 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) ...
0915cba394268e68b6a8242b15f8c7283453df43
Analyze and fix the following issue in the Linux kernel code: mac80211: Fix warnings due to -Wunused-but-set-variable
Problem Details: These warnings are exposed by gcc 4.6. net/mac80211/sta_info.c: In function 'sta_info_cleanup_expire_buffered': net/mac80211/sta_info.c:590:32: warning: variable 'sdata' set but not used net/mac80211/ibss.c: In function 'ieee80211_rx_mgmt_auth_ibss': net/mac80211/ibss.c:43:34: warning: variable 'status...
```diff diff --git a/net/mac80211/aes_ccm.c b/net/mac80211/aes_ccm.c index 4bd6ef0be380..b9b595c08112 100644 --- a/net/mac80211/aes_ccm.c +++ b/net/mac80211/aes_ccm.c @@ -54,13 +54,12 @@ void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch, u8 *cdata, u8 *mic) { int i, j, last_len, num_bl...
334df731976ee4042c9bf18b2eec9c0a71f45389
Analyze and fix the following issue in the Linux kernel code: mac80211: fix too early reorder release timer
Problem Details: The release timer has to expire "just" after a frame is up for release. Currently, if the timer callback starts on time, the "!time_after" check above will start a new timer instead of releasing the frames. Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <l...
```diff diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 1f06b31e21c1..b04a4378adcc 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -652,7 +652,7 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw, set_release_timer: mod_timer(&tid_agg_rx->reorder_timer, - tid_agg_rx->reor...
25f63a5a37f9cd925a01840bbb4c3ad9d5034175
Analyze and fix the following issue in the Linux kernel code: ath9k: fix AR9160 xpaBiasLvlFreq endianness handling
Problem Details: The xpaBiasLvlFreq parameter array is made up of 16 bit words which aren't byte-swapped like the other 16-bit eeprom parameters are. It's only used by the AR9160. Signed-off-by: Adrian Chadd <adrian@freebsd.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c index 995949ddd63e..c031854b569f 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom_def.c +++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c @@ -231,6 +231,10 @@ static int ath9k_hw_def_check_eeprom(struct ath_...
3782c69d6e35e698bcc2aefe803e62d06c5c4997
Analyze and fix the following issue in the Linux kernel code: ath9k_hw: Fix Tx IQ Calibration hang issue in AR9003 chips
Problem Details: On AR9003 chips, doing three IQ calibrations will possibly cause chip in stuck state. In noisy environment, chip could receive a packet during the middle of three calibrations and it causes the conflict of HW access and the eventual failure. It also causes IQ calibration outliers which results in poor ...
```diff diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c index bceff49d150b..f276cb922b4d 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -18,13 +18,13 @@ #include "hw-ops.h" #include "ar9003_ph...
c0a56e64aec331f33ead29ba493ee184d9bdc840
Analyze and fix the following issue in the Linux kernel code: esp6: Fix scatterlist initialization
Problem Details: When we use IPsec extended sequence numbers, we may overwrite the last scatterlist of the associated data by the scatterlist for the skb. This patch fixes this by placing the scatterlist for the skb right behind the last scatterlist of the associated data. esp4 does it already like that. Signed-off-by...
```diff diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index 5aa8ec88f194..59dccfbb5b11 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -371,7 +371,7 @@ static int esp6_input(struct xfrm_state *x, struct sk_buff *skb) iv = esp_tmp_iv(aead, tmp, seqhilen); req = esp_tmp_req(aead, iv); asg = esp_req_sg(aead, ...
3f602b08dec32c418fc391fc838db357aab84f8a
Analyze and fix the following issue in the Linux kernel code: xfrm: Fix replay window size calculation on initialization
Problem Details: On replay initialization, we compute the size of the replay buffer to see if the replay window fits into the buffer. This computation lacks a mutliplication by 8 because we need the size in bit, not in byte. So we might return an error even though the replay window would fit into the buffer. This patch...
```diff diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c index f218385950ca..e8a781422feb 100644 --- a/net/xfrm/xfrm_replay.c +++ b/net/xfrm/xfrm_replay.c @@ -532,7 +532,7 @@ int xfrm_init_replay(struct xfrm_state *x) if (replay_esn) { if (replay_esn->replay_window > - replay_esn->bmp_len * size...
f99844cb76b7d347711c22cdcb94266b7214141f
Analyze and fix the following issue in the Linux kernel code: perf stat: Fix -nan% output in perf stat noise printouts
Problem Details: Before: 0 CPU-migrations # 0.000 M/sec ( +- -nan% ) After: 0 CPU-migrations # 0.000 M/sec ( +- 0.00% ) Also factor out the noise printing function. Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> ...
```diff diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 924d18c407b8..845ded8f15a2 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -382,6 +382,16 @@ static int run_perf_stat(int argc __used, const char **argv) return WEXITSTATUS(status); } +static void print_noise...
dcd9936a5a6d89512b5323c1145647f2dbe0236f
Analyze and fix the following issue in the Linux kernel code: perf stat: Factor our shadow stats
Problem Details: Create update_shadow_stats() which is then used in both read_counter_aggr() and read_counter(). This not only simplifies the code but also fixes a bug: HW_CACHE_REFERENCES was not updated in read_counter(). Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Arnaldo Carvalho de Melo <acme@red...
```diff diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 0de3a2002f49..e5e82f62c784 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -193,6 +193,23 @@ static inline int nsec_counter(struct perf_evsel *evsel) return 0; } +/* + * Update various tracking values we main...
ceb53fbf6dbb1df26d38379a262c6981fe73dd36
Analyze and fix the following issue in the Linux kernel code: perf stat: Fail more clearly when an invalid modifier is specified
Problem Details: Currently we fail without printing any error message on "perf stat -e task-clock-msecs". The reason is that the task-clock event is matched and the "-msecs" postfix is assumed to be an event modifier - but is not recognized. This patch changes the code to be more informative: $ perf stat -e task-cl...
```diff diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 8e54bdb553c3..b686269427ea 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -721,15 +721,19 @@ parse_numeric_event(const char **strp, struct perf_event_attr *attr) return EVT_FAILED; } -sta...
0da2692256ed65bec588f7797c77f9c84ef4274e
Analyze and fix the following issue in the Linux kernel code: ALSA: hda - Move EAPD power-down into shutup callback for AD codecs
Problem Details: EAPD power-down should be called also for normal shutup cases. Let's move to there. This also fixes the compile warnings when CONFIG_PM isn't set automatically. Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c index 2942d2a9ea10..12317488cd98 100644 --- a/sound/pci/hda/patch_analog.c +++ b/sound/pci/hda/patch_analog.c @@ -489,11 +489,6 @@ static int ad198x_build_pcms(struct hda_codec *codec) return 0; } -static inline void ad198x_shutup(str...
18a073a3acd3a47fbb5e23333df7fad28d576345
Analyze and fix the following issue in the Linux kernel code: perf, x86: Fix BTS condition
Problem Details: Currently the x86 backend incorrectly assumes that any BRANCH_INSN with sample_period==1 is a BTS request. This is not true when we do frequency driven profiling such as 'perf record -e branches'. Solves this error: $ perf record -e branches ./array Error: sys_perf_event_open() syscall returned w...
```diff diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 632e5dc9c9c0..fac0654021b8 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -613,8 +613,8 @@ static int x86_setup_perfctr(struct perf_event *event) /* * Branch tracing: */ - if (...
db92f43745dc07acd05ca64a06075801c042cb57
Analyze and fix the following issue in the Linux kernel code: davinci-mcasp: fix _CBM_CFS pin directions
Problem Details: The current davinci_mcasp_set_dai_fmt() sets bits ACLKX and ACLKR in the PDIR register for the codec clock-master/frame-slave mode; however, this results in the ACLKX and ACLKR pins being outputs according to SPRUFM1 [1] which conflicts with "codec is clock master." Similarly to the previous patch in...
```diff diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c index 09c4ff9b9ac8..4ddc6d3b6678 100644 --- a/sound/soc/davinci/davinci-mcasp.c +++ b/sound/soc/davinci/davinci-mcasp.c @@ -445,8 +445,10 @@ static int davinci_mcasp_set_dai_fmt(struct snd_soc_dai *cpu_dai, mcasp_clr_bits(base...
a90f549e25fa77544aaff18bdf534912f3090d39
Analyze and fix the following issue in the Linux kernel code: davinci-mcasp: fix _CBM_CFS hw_params
Problem Details: The current davinci_mcasp_set_dai_fmt() sets bits ACLKXE and ACLKRE (CLKXM and CLKRM as they are reffered to in SPRUFM1 [1]) for codec clock-slave/ frame-slave mode (_CBS_CFS) which selects internally generated bit-clock and frame-sync signals; however, it does the same thing again for codec clock-mast...
```diff diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c index 2b637e05af3e..09c4ff9b9ac8 100644 --- a/sound/soc/davinci/davinci-mcasp.c +++ b/sound/soc/davinci/davinci-mcasp.c @@ -439,10 +439,10 @@ static int davinci_mcasp_set_dai_fmt(struct snd_soc_dai *cpu_dai, break; case SND_...
919686458fabc67a13ffa412f9e5a8fed46d10b8
Analyze and fix the following issue in the Linux kernel code: OMAP4: Intialize IVA Device in addition to DSP device.
Problem Details: OMAP4 has two different Devices IVA and DSP. DSP is bound with IVA for DVFS. The registration of IVA dev in API 'omap2_init_processor_devices' was missing. Init dev for 'iva_dev' is added. This also fixes the following error seen during boot as omap2_set_init_voltage can now find the iva device omap...
```diff diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index 30af3351c2d6..49486f522dca 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -89,6 +89,7 @@ static void omap2_init_processor_devices(void) if (cpu_is_omap44xx()) { _init_omap_device("l3_main_1", &l3_dev); _init_...
7bed50c5edf5cba8dd515a31191cbfb6065ddc85
Analyze and fix the following issue in the Linux kernel code: ACPI / PM: Avoid infinite recurrence while registering power resources
Problem Details: There is at least one BIOS with a DSDT containing a power resource object with a _PR0 entry pointing back to that power resource. In consequence, while registering that power resource acpi_bus_get_power_flags() sees that it depends on itself and tries to register it again, which leads to an infinitely...
```diff diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index b136c9c1e531..449c556274c0 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -943,6 +943,10 @@ static int acpi_bus_get_flags(struct acpi_device *device) if (ACPI_SUCCESS(status)) device->flags.lockable = 1; + /* Power resources cann...
22110faf8c8e980013790e6a5214de32b3303730
Analyze and fix the following issue in the Linux kernel code: PM / Wakeup: Fix initialization of wakeup-related device sysfs files
Problem Details: It turns out that some PCI devices are only found to be wakeup-capable during registration, in which case, when device_set_wakeup_capable() is called, device_is_registered() already returns 'true' for the given device, but dpm_sysfs_add() hasn't been called for it yet. This leads to situations in whic...
```diff diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index fbc5b6e7c591..abe3ab709e87 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -63,6 +63,7 @@ void device_pm_init(struct device *dev) dev->power.wakeup = NULL; spin_lock_init(&dev->power.lock); pm_runtime_init(d...
bc16b3777ec3749c086a17f81c99f8643f4a6576
Analyze and fix the following issue in the Linux kernel code: OMAP3: l3: fix for "irq 10: nobody cared" message
Problem Details: If an error occurs in the L3 on any other initiator than MPU, the interrupt goes unhandled given that the 'base' register was calculated with the initialized err_source value (which coincidentally points to MPU) and not with the actual source of the error. Removed parenthesis that are not needed for t...
```diff diff --git a/arch/arm/mach-omap2/omap_l3_smx.c b/arch/arm/mach-omap2/omap_l3_smx.c index 5f2da7565b68..4321e7938929 100644 --- a/arch/arm/mach-omap2/omap_l3_smx.c +++ b/arch/arm/mach-omap2/omap_l3_smx.c @@ -196,11 +196,11 @@ static irqreturn_t omap3_l3_app_irq(int irq, void *_l3) /* No timeout error for debu...
6ba5932ca4b610d036cb89d0ce2a465d06504c4d
Analyze and fix the following issue in the Linux kernel code: arm: omap2: enable smc instruction for sleep34xx
Problem Details: This fixes broken build when using binutils 2.21. Signed-off-by: Oskar Andero <oskar.andero@sonyericsson.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
```diff diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index a45cd6409686..512b15204450 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -68,7 +68,7 @@ obj-$(CONFIG_OMAP_SMARTREFLEX) += sr_device.o smartreflex.o obj-$(CONFIG_OMAP_SMARTREFLEX_CLASS3) += ...
0aebff4871d26410ae485b521870bb0ffe1736f0
Analyze and fix the following issue in the Linux kernel code: tg3: Fix int generation hw bug for 5719 / 5720
Problem Details: On the 5719 and 5720, there is a bug where the hardware will misinterpret a status tag update and leave interrupts permanently disabled. This patch enables a hardware fix that works around the issue. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Re...
```diff diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 693f36e94dab..a72d0314ca78 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -8198,6 +8198,9 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) ~DMA_RWCTRL_DIS_CACHE_ALIGNMENT; if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0) ...
bf362759034cf208966dff262c7d740a6b1b3edd
Analyze and fix the following issue in the Linux kernel code: crypto: omap-sham - hmac calculation bug fix for sha1 base hash
Problem Details: This patch fixes 2 hmac inter-dependent bugs. 1. "omap-sham: hash-in-progress is stored in hw format" commit introduced optimization where temporary hash had been stored in OMAP specific format (big endian). For SHA1 it is different to real hash format, which is little endian. Final HMAC value was cal...
```diff diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c index f5c01dc363d4..ba8f1ea84c5e 100644 --- a/drivers/crypto/omap-sham.c +++ b/drivers/crypto/omap-sham.c @@ -78,7 +78,6 @@ #define FLAGS_SHA1 0x0010 #define FLAGS_DMA_ACTIVE 0x0020 #define FLAGS_OUTPUT_READY 0x0040 -#define FLAGS_CLEAN 0...
07aab762feb6b49e8004bfba2659db17f7b64e35
Analyze and fix the following issue in the Linux kernel code: crypto: omap-sham - remove debug print
Problem Details: Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
```diff diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c index e36032bac2e5..50aca41712b5 100644 --- a/drivers/crypto/omap-sham.c +++ b/drivers/crypto/omap-sham.c @@ -890,8 +890,6 @@ static int omap_sham_cra_init_alg(struct crypto_tfm *tfm, const char *alg_base) struct omap_sham_ctx *tctx = crypto...
455e33898e65108b379e74bcc3c9d6d2b50da9a6
Analyze and fix the following issue in the Linux kernel code: crypto: omap-sham - fix concurrent sha1 calculations
Problem Details: SHA1 accelerator can also be busy. Add -EBUSY status return option and return busy status from omap_sham_finup(). Signed-off-by: Markku Kylanpaa <ext-markku.kylanpaa@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
```diff diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c index 465cde3e4f60..e36032bac2e5 100644 --- a/drivers/crypto/omap-sham.c +++ b/drivers/crypto/omap-sham.c @@ -835,7 +835,7 @@ static int omap_sham_finup(struct ahash_request *req) ctx->flags |= FLAGS_FINUP; err1 = omap_sham_update(req); ...
95c2b71b7b7422749950e3d497a894957d724b16
Analyze and fix the following issue in the Linux kernel code: staging: solo6x10: add select SND_PCM to fix build error
Problem Details: This patch fixes a build error when SND_PCM is not set by adding a select statment. Signed-off-by: Peter Foley <pefoley2@verizon.net> Acked-By: Ben Collins <bcollins@bluecherry.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/solo6x10/Kconfig b/drivers/staging/solo6x10/Kconfig index 2cf77c940860..03dcac4ea4d0 100644 --- a/drivers/staging/solo6x10/Kconfig +++ b/drivers/staging/solo6x10/Kconfig @@ -2,6 +2,7 @@ config SOLO6X10 tristate "Softlogic 6x10 MPEG codec cards" depends on PCI && VIDEO_DEV && SND...
9cc559891181d354cc5b83d0cfecbe262d690b32
Analyze and fix the following issue in the Linux kernel code: staging:iio:adc:max1363 fix timestamp handling.
Problem Details: Not only was this not compliant with the abi, it was also missconfiguring the buffer. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/iio/adc/max1363_core.c b/drivers/staging/iio/adc/max1363_core.c index 1703b2a74ace..41af82c50e7f 100644 --- a/drivers/staging/iio/adc/max1363_core.c +++ b/drivers/staging/iio/adc/max1363_core.c @@ -72,6 +72,9 @@ static MAX1363_SCAN_EL_D(7, 6, 21); static MAX1363_SCAN_EL_D(9, 8, 22)...
b428173316dcb4a518ee22c642671ae8a4bcec48
Analyze and fix the following issue in the Linux kernel code: staging:iio: replace rip_lots naming with read_first_n
Problem Details: Change suggested by Arnd Bergmann, Related patch to remove pointless (now) dead_offset parameter will have await proper fix for the sca3000 driver. That depends on some intermediate patches so may be a little while. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <...
```diff diff --git a/drivers/staging/iio/accel/sca3000_ring.c b/drivers/staging/iio/accel/sca3000_ring.c index a730a7638de1..b505e70429a1 100644 --- a/drivers/staging/iio/accel/sca3000_ring.c +++ b/drivers/staging/iio/accel/sca3000_ring.c @@ -35,7 +35,7 @@ */ /** - * sca3000_rip_hw_rb() - main ring access function...
d1b2e95ab016a0c5b01748986f6ce42e9d11cab2
Analyze and fix the following issue in the Linux kernel code: staging: usbip: vhci: fix oops on subsequent attach
Problem Details: vhci_rx/vhci_tx threads are created once but stopped each time the vdev is shut down. On subsequent attach wake_up_process() oopses trying to access the stopped threads. This patch does as before the kthread conversion which is to create the threads each time a device is attached and stop the threads ...
```diff diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/staging/usbip/vhci_hcd.c index 0f02a4b12ae4..14caae279f7e 100644 --- a/drivers/staging/usbip/vhci_hcd.c +++ b/drivers/staging/usbip/vhci_hcd.c @@ -876,8 +876,10 @@ static void vhci_shutdown_connection(struct usbip_device *ud) } /* kill threads relate...
1035117d2a47583f9539c28bf6ce5f677946e172
Analyze and fix the following issue in the Linux kernel code: staging: rts_pstor: use #ifdef instead of #if
Problem Details: This patch fixes a number of the following warnings: warning: "CONFIG_RTS_PSTOR_DEBUG" is not defined The code uses '#if CONFIG_RTS_PSTOR_DEBUG' when it should be using '#ifdef' Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/rts_pstor/debug.h b/drivers/staging/rts_pstor/debug.h index e1408b0e7ae4..ab305be96fb5 100644 --- a/drivers/staging/rts_pstor/debug.h +++ b/drivers/staging/rts_pstor/debug.h @@ -28,7 +28,7 @@ #define RTSX_STOR "rts_pstor: " -#if CONFIG_RTS_PSTOR_DEBUG +#ifdef CONFIG_RTS_PSTOR_D...
8452c3ef79f9095eef0fa2978fc97afb13507254
Analyze and fix the following issue in the Linux kernel code: staging: comedi: fix a typo
Problem Details: replace tranmitted with transmitted. Signed-off-by: Weiping Pan(潘卫平) <panweiping3@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c index e543e6c2b1bb..1d09bfa2edf5 100644 --- a/drivers/staging/comedi/drivers/usbdux.c +++ b/drivers/staging/comedi/drivers/usbdux.c @@ -1530,7 +1530,7 @@ static int usbdux_ao_cmdtest(struct comedi_device *dev, /* we...
a3712f4987b7ef6d23e851200ac6d41131db2010
Analyze and fix the following issue in the Linux kernel code: staging: olpc_dcon: fix space and coding issues
Problem Details: Fix the whitespace and coding style issues in olpc_dcon metioned by checkpatch. Signed-off-by: Stefan Brähler <Stefan.Braehler@gmail.com> Acked-by: Andres Salomon <dilinger@queued.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c index b5d21f6497f9..f4e974787ad6 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c +++ b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c @@ -152,7 +152,7 @@ static void dcon_wiggle_xo_1(void) * According to ...
5be79de2e1ffa19d871a494697cf76cddee93384
Analyze and fix the following issue in the Linux kernel code: eCryptfs: Flush dirty pages in setattr
Problem Details: After 57db4e8d73ef2b5e94a3f412108dff2576670a8a changed eCryptfs to write-back caching, eCryptfs page writeback updates the lower inode times due to the use of vfs_write() on the lower file. To preserve inode metadata changes, such as 'cp -p' does with utimensat(), we need to flush all dirty pages earl...
```diff diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 2c19d362d2d4..4d4cc6a90cd5 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -929,6 +929,12 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia) } } mutex_unlock(&crypt_stat->cs_mutex); + if (S_ISREG(inode->i_mode...
5d46f3266728913d05106ee82fb5f043be06eb21
Analyze and fix the following issue in the Linux kernel code: staging: istallion: fix arbitrary kernel memory reads/writes
Problem Details: stli_brdstats is defined as global variable. After de-BKL-ization in the patch b4eda9cb48eac1b7 an access to the variable is not serialized anymore. This leads to the race window between the check and the use in stli_getbrdstats(): if (copy_from_user(&stli_brdstats, bp, sizeof(combrd_t))) ...
```diff diff --git a/drivers/staging/tty/istallion.c b/drivers/staging/tty/istallion.c index 0b266272cccd..ca18cbf4e3c9 100644 --- a/drivers/staging/tty/istallion.c +++ b/drivers/staging/tty/istallion.c @@ -186,7 +186,6 @@ static struct ktermios stli_deftermios = { * re-used for each stats call. */ static comstat...
43e817a1fdda17f3357602ed7964c248c8c53ae0
Analyze and fix the following issue in the Linux kernel code: btrfs: fix wrong allocating flag when reading page
Problem Details: the space cache use extent_readpages() to read free space information, so we can not use GFP_KERNEL flag to allocate memory, or it may lead to deadlock. Signed-off-by: Itaru Kitayama <kitayama@cl.bb4u.ne.jp> Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle....
```diff diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 5ae0bffaa4d8..0d1196d6f786 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2681,7 +2681,7 @@ int extent_readpages(struct extent_io_tree *tree, prefetchw(&page->flags); list_del(&page->lru); if (!add_to_page_cache_lru(page, ...
a62f44a5f47ce45e524b55f91542dc386c6de7ef
Analyze and fix the following issue in the Linux kernel code: Btrfs: fix missing mutex_unlock in btrfs_del_dir_entries_in_log()
Problem Details: It is necessary to unlock mutex_lock before it return an error when btrfs_alloc_path() fails. Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
```diff diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index c50271ad3157..f997ec0c1ba4 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -2209,8 +2209,10 @@ int btrfs_del_dir_entries_in_log(struct btrfs_trans_handle *trans, log = root->log_root; path = btrfs_alloc_path(); - if (!path) - retu...
332ab16f830f59e7621ae8eb2c353dc135a316f6
Analyze and fix the following issue in the Linux kernel code: eCryptfs: Add reference counting to lower files
Problem Details: For any given lower inode, eCryptfs keeps only one lower file open and multiplexes all eCryptfs file operations through that lower file. The lower file was considered "persistent" and stayed open from the first lookup through the lifetime of the inode. This patch keeps the notion of a single, per-inod...
```diff diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index bd3cafd0949d..380bee1094c3 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -295,6 +295,8 @@ struct ecryptfs_crypt_stat { struct ecryptfs_inode_info { struct inode vfs_inode; struct inode *wii_...
35ffa948b2f7bdf79e488cd496232935d095087a
Analyze and fix the following issue in the Linux kernel code: eCryptfs: Remove extra d_delete in ecryptfs_rmdir
Problem Details: vfs_rmdir() already calls d_delete() on the lower dentry. That was being duplicated in ecryptfs_rmdir() and caused a NULL pointer dereference when NFSv3 was the lower filesystem. Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
```diff diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index f99051b7adab..9c3c2f5bc6a6 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -538,8 +538,6 @@ static int ecryptfs_rmdir(struct inode *dir, struct dentry *dentry) dget(lower_dentry); rc = vfs_rmdir(lower_dir_dentry->d_inode, lower_dentr...
e9c661e08c2a6015c1b7cba1cecefa27a089df71
Analyze and fix the following issue in the Linux kernel code: staging: brcm80211: bugfix for div by zero in minstrel_ht_tx_status
Problem Details: Caused by brcmsmac.ko suppling a 0 value to Mac80211. Mac80211 subsequently divides by this number. Bug only occurred on AMPDU traffic. This is a fix for https://bugzilla.kernel.org/show_bug.cgi?id=32032, titled 'Divide error in minstrel_ht_tx_status followed by hang', reported by Wouter Cloetens. Sig...
```diff diff --git a/drivers/staging/brcm80211/brcmsmac/wlc_ampdu.c b/drivers/staging/brcm80211/brcmsmac/wlc_ampdu.c index 980344912ee7..07fbc3d46c8e 100644 --- a/drivers/staging/brcm80211/brcmsmac/wlc_ampdu.c +++ b/drivers/staging/brcm80211/brcmsmac/wlc_ampdu.c @@ -1122,21 +1122,12 @@ wlc_ampdu_dotxstatus_complete(str...
8fcf92d1cf85329d0efc029c65af3f92b2041bf2
Analyze and fix the following issue in the Linux kernel code: ath6kl: fix operations for power management
Problem Details: The cfg80211 ops for power management were completely broken. If we were asked for to go into power save it was putting device in awake, and when we were asked to become awake we were putting the device into power save... This fixes the powersave operations to do the right thing. Signed-off-by: Naveen...
```diff diff --git a/drivers/staging/ath6kl/os/linux/cfg80211.c b/drivers/staging/ath6kl/os/linux/cfg80211.c index d5e554ecf29c..e87d3aa8526d 100644 --- a/drivers/staging/ath6kl/os/linux/cfg80211.c +++ b/drivers/staging/ath6kl/os/linux/cfg80211.c @@ -1209,10 +1209,10 @@ ar6k_cfg80211_set_power_mgmt(struct wiphy *wiphy,...
3c9d2f6c14ebbfdc97945f8f8c023f1fde86732b
Analyze and fix the following issue in the Linux kernel code: ath6kl: fix scan operation while disconnect
Problem Details: If a scan operation is pending and in between a disconnect event is received from firmware the scan results never get sent back to cfg80211. This causes a scan failure and yields a device/resource busy state upon retries. If a disconnect event is received and scan is pending return the scan done to the...
```diff diff --git a/drivers/staging/ath6kl/os/linux/cfg80211.c b/drivers/staging/ath6kl/os/linux/cfg80211.c index 1f799c1d002b..d5e554ecf29c 100644 --- a/drivers/staging/ath6kl/os/linux/cfg80211.c +++ b/drivers/staging/ath6kl/os/linux/cfg80211.c @@ -627,6 +627,10 @@ ar6k_cfg80211_disconnect_event(struct ar6_softc *ar,...
487ae7cd557f52d46f7a0fb5dcc05976952e9853
Analyze and fix the following issue in the Linux kernel code: Staging: hv: Fix a jump label (Remove) in blkvsc_drv.c
Problem Details: One of the jump labels was named Remove; change it to remove. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Hank Janssen <hjanssen@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c index a47581cb83d3..3229ebcf7c35 100644 --- a/drivers/staging/hv/blkvsc_drv.c +++ b/drivers/staging/hv/blkvsc_drv.c @@ -1005,7 +1005,7 @@ static int blkvsc_probe(struct device *device) DPRINT_ERR(BLKVSC_DRV, "register_b...
d87d707d60aeda28d374a9a3ed8d3c0be13a75b8
Analyze and fix the following issue in the Linux kernel code: Staging: hv: Fix a jump label (Cleanup) in blkvsc_drv
Problem Details: One of the goto labels was named Cleanup; change it to cleanup. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Hank Janssen <hjanssen@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c index bf8647e40897..a47581cb83d3 100644 --- a/drivers/staging/hv/blkvsc_drv.c +++ b/drivers/staging/hv/blkvsc_drv.c @@ -963,7 +963,7 @@ static int blkvsc_probe(struct device *device) blkdev = kzalloc(sizeof(struct block_device_cont...
85723943537bf6a73bdf1140b2088fbe0c17c3c2
Analyze and fix the following issue in the Linux kernel code: drivers:base:fix the coding format of memory.c
Problem Details: Fix the line longer than 80 of memory_uevent function . Signed-off-by: Wanlong Gao <wanlong.gao@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/base/memory.c b/drivers/base/memory.c index 3da6a43b7756..3e9aa3d00044 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -48,7 +48,8 @@ static const char *memory_uevent_name(struct kset *kset, struct kobject *kobj) return MEMORY_CLASS_NAME; } -static int memory_uevent(s...
39b68976ac653cfdc7f872a293e8b7928de2dcc6
Analyze and fix the following issue in the Linux kernel code: x86, setup: When probing memory with e801, use ax/bx as a pair
Problem Details: When we use BIOS function e801 to probe memory, we should use ax/bx (or cx/dx) as a pair, not mix and match. This was a typo during the translation from assembly code, and breaks at least one set of machines in the field (which return cx = dx = 0). Reported-and-tested-by: Chris Samuel <chris@csamuel....
```diff diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c index cae3feb1035e..db75d07c3645 100644 --- a/arch/x86/boot/memory.c +++ b/arch/x86/boot/memory.c @@ -91,7 +91,7 @@ static int detect_memory_e801(void) if (oreg.ax > 15*1024) { return -1; /* Bogus! */ } else if (oreg.ax == 15*1024) { - boot_pa...