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2cf313ee75ddf6220b5d623b749b1bb79458307f
Analyze and fix the following issue in the Linux kernel code: ALSA: usb-audio - Volume control quirk for QuickCam E 3500
Problem Details: - E3500 report cval->max more than it actually can handel, so if you set 95% capture level it will be silently muted. - Betwen cval->min and cval-max(real) is 2940 control units, but real are only 7 with cval->res = 384. - Alsa can't handel less than 10 controls, so make it more and set cval->res = 192...
```diff diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c index 4bd3a7a0edc1..ec9cdf986928 100644 --- a/sound/usb/usbmixer.c +++ b/sound/usb/usbmixer.c @@ -990,20 +990,35 @@ static void build_feature_ctl(struct mixer_build *state, unsigned char *desc, break; } - /* quirk for UDA1321/N101 */ - /* note that...
1c20930a41c623a2281e754f9321cd0feb01ceb9
Analyze and fix the following issue in the Linux kernel code: ALSA: hda - Fix ALC861 auto-mode parser
Problem Details: Fix the logic of ALC861 auto-mode parser for the outputs. Instead of assuming the fixed DAC list, parse the conection and assign the DAC dynamically. Also, unmute the unused output connections to avoid noises on inputs. Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 454df58e983f..b2ea43206f18 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -13685,23 +13685,23 @@ static struct hda_verb alc861_auto_init_verbs[] = { {0x15, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMU...
79452f0a28aa5a40522c487b42a5fc423647ad98
Analyze and fix the following issue in the Linux kernel code: ALSA: pcm - Fix regressions with VMware
Problem Details: VMware tends to report PCM positions and period updates at utterly wrong timing. This screws up the recent PCM core code that tries to correct the position based on the irq timing. Now, when a backward irq position is detected, skip the update instead of rebasing. (This is almost the old behavior be...
```diff diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 333e4dd29450..3b673e2f991d 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -244,18 +244,27 @@ static int snd_pcm_update_hw_ptr_interrupt(struct snd_pcm_substream *substream) delta = new_hw_ptr - hw_ptr_interrupt; } if (delta ...
ac95301f271f32901e4007096aa3516def49eed2
Analyze and fix the following issue in the Linux kernel code: crypto: xcbc - Fix shash conversion
Problem Details: Although xcbc was converted to shash, it didn't obey the new requirement that all hash state must be stored in the descriptor rather than the transform. This patch fixes this issue and also optimises away the rekeying by precomputing K2 and K3 within setkey. Signed-off-by: Herbert Xu <herbert@gondor....
```diff diff --git a/crypto/xcbc.c b/crypto/xcbc.c index 9d502e67a5c0..1e30b31f33c6 100644 --- a/crypto/xcbc.c +++ b/crypto/xcbc.c @@ -26,69 +26,67 @@ static u_int32_t ks[12] = {0x01010101, 0x01010101, 0x01010101, 0x01010101, 0x02020202, 0x02020202, 0x02020202, 0x02020202, 0x03030303, 0x03030303, 0x03030...
bc146d23d1358af43f03793c3ad8c9f16bbcffcb
Analyze and fix the following issue in the Linux kernel code: ide: fix memory leak when flush command is issued
Problem Details: I'm using ide on 2.6.30.1 with xfs filesystem. I noticed a kernel memory leak after writing lots of data, the kmalloc-96 slab cache keeps growing. It seems the struct ide_cmd kmalloced by idedisk_prepare_flush is never kfreed. Commit a09485df9cda49fbde2766c86eb18a9cae585162 ("ide: move request type sp...
```diff diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 695181120cdb..7f878017b736 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -455,6 +455,7 @@ static void idedisk_prepare_flush(struct request_queue *q, struct request *rq) rq->cmd_type = REQ_TYPE_ATA_TASKFILE; rq->specia...
d953126a28f97ec965d23c69fd5795854c048f30
Analyze and fix the following issue in the Linux kernel code: NFSv4: Fix a problem whereby a buggy server can oops the kernel
Problem Details: We just had a case in which a buggy server occasionally returns the wrong attributes during an OPEN call. While the client does catch this sort of condition in nfs4_open_done(), and causes the nfs4_atomic_open() to return -EISDIR, the logic in nfs_atomic_lookup() is broken, since it causes a fallback t...
```diff diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 38d42c29fb92..32062c33c859 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1025,12 +1025,12 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry res = NULL; goto out; /* This turned out not to be a regular file */ - c...
25cbf465207e9616e9b7d362ee166abf296d4c1e
Analyze and fix the following issue in the Linux kernel code: ASoC: Correct a bug with "ADC Inversion Switch" in wm8974 codec.
Problem Details: This corrects a bug with ADC Inversion Switch in wm8974 codec. Signed-off-by: Javier Martin <javier.martin@vista-silicon.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
```diff diff --git a/sound/soc/codecs/wm8974.c b/sound/soc/codecs/wm8974.c index c400e5d93bd0..5104c8aa34f6 100644 --- a/sound/soc/codecs/wm8974.c +++ b/sound/soc/codecs/wm8974.c @@ -162,7 +162,7 @@ SOC_SINGLE_TLV("PCM Volume", WM8974_DACVOL, 0, 255, 0, digital_tlv), SOC_SINGLE("High Pass Filter Switch", WM8974_ADC,...
f7b1aa69be138ad9d7d3f31fa56f4c9407f56b6a
Analyze and fix the following issue in the Linux kernel code: ocfs2: Fix deadlock on umount
Problem Details: In commit ea455f8ab68338ba69f5d3362b342c115bea8e13, we moved the dentry lock put process into ocfs2_wq. This causes problems during umount because ocfs2_wq can drop references to inodes while they are being invalidated by invalidate_inodes() causing all sorts of nasty things (invalidate_inodes() ending...
```diff diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c index b574431a031d..2f28b7de2c8d 100644 --- a/fs/ocfs2/dcache.c +++ b/fs/ocfs2/dcache.c @@ -310,22 +310,19 @@ out_attach: return ret; } -static DEFINE_SPINLOCK(dentry_list_lock); +DEFINE_SPINLOCK(dentry_list_lock); /* We limit the number of dentry locks...
429b2b319af3987e808c18f6b81313104caf782c
Analyze and fix the following issue in the Linux kernel code: x86-64: Fix bad_srat() to clear all state
Problem Details: Need to clear both nodes and nodes_add state for start/end. Signed-off-by: Andi Kleen <ak@linux.intel.com> LKML-Reference: <20090718065657.GA2898@basil.fritz.box> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: stable@kernel.org
```diff diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c index 2dfcbf9df2ae..dbb5381f7b3b 100644 --- a/arch/x86/mm/srat_64.c +++ b/arch/x86/mm/srat_64.c @@ -79,8 +79,10 @@ static __init void bad_srat(void) acpi_numa = -1; for (i = 0; i < MAX_LOCAL_APIC; i++) apicid_to_node[i] = NUMA_NO_NODE; - for (i =...
fccba8045537f7e840d0e7565e1989d465e488a3
Analyze and fix the following issue in the Linux kernel code: NFSv4: Fix an NFSv4 mount regression
Problem Details: Commit 008f55d0e019943323c20a03493a2ba5672a4cc8 (nfs41: recover lease in _nfs4_lookup_root) forces the state manager to always run on mount. This is a bug in the case of NFSv4.0, which doesn't require us to send a setclientid until we want to grab file state. In any case, this is completely the wrong ...
```diff diff --git a/fs/nfs/client.c b/fs/nfs/client.c index c2d061675d80..8d25ccb2d51d 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -1242,20 +1242,6 @@ error: return error; } -/* - * Initialize a session. - * Note: save the mount rsize and wsize for create_server negotiation. - */ -static void nfs4_init_...
b64aec8d1e1d8482a7b6cca60c8105c756bf1fe4
Analyze and fix the following issue in the Linux kernel code: NFSv4: Fix an Oops in nfs4_free_lock_state
Problem Details: The oops http://www.kerneloops.org/raw.php?rawid=537858&msgid= appears to be due to the nfs4_lock_state->ls_state field being uninitialised. This happens if the call to nfs4_free_lock_state() is triggered at the end of nfs4_get_lock_state(). The fix is to move the initialisation of ls_state into the a...
```diff diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index b73c5a728655..65ca8c18476f 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -553,6 +553,7 @@ static struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, f INIT_LIST_HEAD(&lsp->ls_sequence.list); lsp->ls_seqid.sequence =...
154839962a582b8eb661cde94ef3af0e03b374d7
Analyze and fix the following issue in the Linux kernel code: libertas: Fix problem with broken V4 firmware on CF8381
Problem Details: Firmware V4 on CF8381 reports region code shifted by 1 byte to left. The following patch checks for this and handles it properly. Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index 01db705a38ec..685098148e10 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -135,8 +135,14 @@ int lbs_update_hw_spec(struct lbs_private *priv) /* Clamp region code to 8-bit...
bfa99bfdda1ce8a60f1f0fba7a04162a66d4ecfa
Analyze and fix the following issue in the Linux kernel code: p54spi: fix potential null deref in p54spi.c
Problem Details: Fix a potential NULL dereference bug during error handling in p54spi_probe. This bug was discovered by smatch: (http://repo.or.cz/w/smatch.git). Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.co...
```diff diff --git a/drivers/net/wireless/p54/p54spi.c b/drivers/net/wireless/p54/p54spi.c index 83116baeb110..72c7dbd39d0a 100644 --- a/drivers/net/wireless/p54/p54spi.c +++ b/drivers/net/wireless/p54/p54spi.c @@ -635,7 +635,7 @@ static int __devinit p54spi_probe(struct spi_device *spi) hw = p54_init_common(sizeof...
ed5c8ef3bb2de277b7885072e0e981c41a022be5
Analyze and fix the following issue in the Linux kernel code: acer-wmi: fix rfkill conversion
Problem Details: Fix another polarity error introduced by the rfkill rewrite, this time in acer_rfkill_set(). Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index be2fd6f91639..fb45f5ee8df1 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -973,7 +973,7 @@ static int acer_rfkill_set(void *data, bool blocked) { acpi_status status; u32 cap = (unsign...
f44aebcc566d1d6275f7191867b9633dc11de2ee
Analyze and fix the following issue in the Linux kernel code: inotify: use GFP_NOFS under potential memory pressure
Problem Details: inotify can have a watchs removed under filesystem reclaim. ================================= [ INFO: inconsistent lock state ] 2.6.31-rc2 #16 --------------------------------- inconsistent {IN-RECLAIM_FS-W} -> {RECLAIM_FS-ON-W} usage. khubd/217 [HC0[0]:SC0[0]:HE1:SE1] takes: (iprune_mutex){+.+.?.}, ...
```diff diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c index ec2f7bd76818..037e878e03fc 100644 --- a/fs/notify/fsnotify.c +++ b/fs/notify/fsnotify.c @@ -159,7 +159,9 @@ void fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is, const if (!group->ops->should_send_event(group, to_tell, mask))...
c05594b62125c528d93af3a78229793aae36df7f
Analyze and fix the following issue in the Linux kernel code: fsnotify: fix inotify tail drop check with path entries
Problem Details: fsnotify drops new events when they are the same as the tail event on the queue to be sent to userspace. The problem is that if the event comes with a path we forget to break out of the switch statement and fall into the code path which matches on events that do not have any type of file backed inform...
```diff diff --git a/fs/notify/notification.c b/fs/notify/notification.c index 69391fe8efb1..2b20feaf263a 100644 --- a/fs/notify/notification.c +++ b/fs/notify/notification.c @@ -151,6 +151,7 @@ static bool event_compare(struct fsnotify_event *old, struct fsnotify_event *new if ((old->path.mnt == new->path.mnt) && ...
4a148ba988988b9c400ad0f2cbccc155289b954b
Analyze and fix the following issue in the Linux kernel code: inotify: check filename before dropping repeat events
Problem Details: inotify drops events if the last event on the queue is the same as the current event. But it does 2 things wrong. First it is comparing old->inode with new->inode. But after an event if put on the queue the ->inode is no longer allowed to be used. It's possible between the last event and this new e...
```diff diff --git a/fs/notify/notification.c b/fs/notify/notification.c index 959b73e756fd..69391fe8efb1 100644 --- a/fs/notify/notification.c +++ b/fs/notify/notification.c @@ -136,10 +136,15 @@ static bool event_compare(struct fsnotify_event *old, struct fsnotify_event *new { if ((old->mask == new->mask) && ...
520dc2a526fd681337883b6ff1ddcf7c23b1b063
Analyze and fix the following issue in the Linux kernel code: fsnotify: use def_bool in kconfig instead of letting the user choose
Problem Details: fsnotify doens't give the user anything. If someone chooses inotify or dnotify it should build fsnotify, if they don't select one it shouldn't be built. This patch changes fsnotify to be a def_bool=n and makes everything else select it. Also fixes the issue people complained about on lwn where gdm h...
```diff diff --git a/fs/notify/Kconfig b/fs/notify/Kconfig index 31dac7e3b0f1..dffbb0911d02 100644 --- a/fs/notify/Kconfig +++ b/fs/notify/Kconfig @@ -1,15 +1,5 @@ config FSNOTIFY - bool "Filesystem notification backend" - default y - ---help--- - fsnotify is a backend for filesystem notification. fsnotify does - ...
7e790dd5fc937bc8d2400c30a05e32a9e9eef276
Analyze and fix the following issue in the Linux kernel code: inotify: fix error paths in inotify_update_watch
Problem Details: inotify_update_watch could leave things in a horrid state on a number of error paths. We could try to remove idr entries that didn't exist, we could send an IN_IGNORED to userspace for watches that don't exist, and a bit of other stupidity. Clean these up by doing the idr addition before we put the m...
```diff diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c index aff4214f16c3..726118a5845b 100644 --- a/fs/notify/inotify/inotify_user.c +++ b/fs/notify/inotify/inotify_user.c @@ -365,6 +365,17 @@ static int inotify_find_inode(const char __user *dirname, struct path *path, uns return er...
4564cba71637d3b4ea3730f5637b21a9eb3c8999
Analyze and fix the following issue in the Linux kernel code: macsonic, jazzsonic: fix oops on module unload
Problem Details: Set the driver data before using it. Fixes an oops when doing rmmod. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/jazzsonic.c b/drivers/net/jazzsonic.c index d12106b47bf2..2f286091394d 100644 --- a/drivers/net/jazzsonic.c +++ b/drivers/net/jazzsonic.c @@ -229,6 +229,7 @@ static int __init jazz_sonic_probe(struct platform_device *pdev) lp = netdev_priv(dev); lp->device = &pdev->dev; SET_NETDEV...
279abdf59c766a06db89b50c6d3615b4f2b19ed3
Analyze and fix the following issue in the Linux kernel code: bnx2x: Stop management traffic in loopback test
Problem Details: Since management traffic cannot go on the wire while configured to loopback, simply stop it to avoid race condition when the MAC is set to loopback in the middle of a packet Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c index 6c67be679764..177cb467ba90 100644 --- a/drivers/net/bnx2x_main.c +++ b/drivers/net/bnx2x_main.c @@ -9691,8 +9691,15 @@ static void bnx2x_self_test(struct net_device *dev, etest->flags &= ~ETH_TEST_FL_OFFLINE; if (etest->flags & ETH_TE...
e9084ec98bb9aa3abc6cf73181177780ce7546f8
Analyze and fix the following issue in the Linux kernel code: x86, mce: Fix set_trigger() accessor
Problem Details: Fix the condition checking the result of strchr() (which previously could result in an oops), and make the function return the number of bytes actively used. [ Impact: fix oops ] Signed-off-by: Jan Beulich <jbeulich@novell.com> Cc: Andi Kleen <andi@firstfloor.org> LKML-Reference: <4A5F04B702000078000...
```diff diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 484c1e5f658e..1cfb623ce11c 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -1692,17 +1692,15 @@ static ssize_t set_trigger(struct sys_device *s, struct sysdev_attribute *attr, cons...
4bf1fa5a34aa2dd0d2cc58f0fc213a2e22d007a4
Analyze and fix the following issue in the Linux kernel code: [ARM] 5613/1: implement CALLER_ADDRESSx
Problem Details: From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> As __builtin_return_address(n) doesn't work for ARM with n > 0, the kernel needs its own implementation. This fixes many warnings saying: warning: unsupported argument to '__builtin_return_address' The new methods and walk_stackframe must not...
```diff diff --git a/arch/arm/include/asm/ftrace.h b/arch/arm/include/asm/ftrace.h index 39c8bc1a006a..d74265cffd86 100644 --- a/arch/arm/include/asm/ftrace.h +++ b/arch/arm/include/asm/ftrace.h @@ -11,4 +11,38 @@ extern void mcount(void); #endif +#ifndef __ASSEMBLY__ + +#if defined(CONFIG_FRAME_POINTER) && !defin...
9e81eccf199d910e5ea8db377a43478e4eccd033
Analyze and fix the following issue in the Linux kernel code: cfg80211: double free in __cfg80211_scan_done
Problem Details: This patch fixes a double free corruption in __cfg80211_scan_done: ================================================ BUG kmalloc-512: Object already free ------------------------------------------------ INFO: Allocated in load_elf_binary+0x18b/0x19af age=6 INFO: Freed in load_elf_binary+0x104e/0x...
```diff diff --git a/net/wireless/scan.c b/net/wireless/scan.c index f8e71b300001..9271118e1fc4 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -35,8 +35,6 @@ void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted) else nl80211_send_scan_done(wiphy_to_dev(request->wiphy), dev); ...
7adfd5c71693b81e995283805b17aa4a2ee0ecd9
Analyze and fix the following issue in the Linux kernel code: rt2x00: Fix chipset detection for rt2500usb
Problem Details: The commit below changed the semantics of rt2x00_check_rev so that it no longer checked the bottom 4 bits of the rev were non-zero. During that conversion this part of the check was not propogated to the rt2500usb initialisation. commit 358623c22c9fd837b3b1b444377037f72553dc9f Author: Ivo van...
```diff diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 66daf68ff0ee..ce75426764a1 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1550,7 +1550,9 @@ static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev) ...
6c95e2a2f0f0bf4c8880d5b74b2f7f359d352d03
Analyze and fix the following issue in the Linux kernel code: nl80211: Memory leak fixed
Problem Details: Potential memory leak via msg pointer in nl80211_get_key() function. Signed-off-by: Niko Jokinen <ext-niko.k.jokinen@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 43bdb1372cae..634496b3ed77 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -997,7 +997,7 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) if (IS_ERR(hdr)) { err = PTR_ERR(hdr); - goto out; + ...
3da7429ce92abd79b14e2275a28be144ce2c3013
Analyze and fix the following issue in the Linux kernel code: rtl8187: Fix for kernel oops when unloading with LEDs enabled
Problem Details: When rtl8187 is unloaded and CONFIG_RTL8187_LEDS is set, the kernel may oops when the module is unloaded as the workqueue for led_on was not being cancelled. This patch fixes the problem reported in http://marc.info/?l=linux-wireless&m=124742957615781&w=2. Reported-by: Gábor Stefanik <netrolller.3d@g...
```diff diff --git a/drivers/net/wireless/rtl818x/rtl8187_leds.c b/drivers/net/wireless/rtl818x/rtl8187_leds.c index b44253592243..cf9f899fe0e6 100644 --- a/drivers/net/wireless/rtl818x/rtl8187_leds.c +++ b/drivers/net/wireless/rtl818x/rtl8187_leds.c @@ -208,11 +208,12 @@ void rtl8187_leds_exit(struct ieee80211_hw *dev...
65b5a69860ed3bc4224368b804d381cd9cafa90a
Analyze and fix the following issue in the Linux kernel code: ath5k: temporarily disable crypto for AP mode
Problem Details: Pavel Roskin reported some issues with using AP mode without nohwcrypt=1. Most likely this is similar to the problem fixed some time ago in ath9k by 3f53dd64f192450cb331c0fecfc26ca952fb242f, "ath9k: Fix hw crypto configuration for TKIP in AP mode." That only affects TKIP but it's easiest to just disa...
```diff diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index ea045151f953..029c1bc7468f 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -2970,6 +2970,9 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, if (modp...
e603d9d824ff0eda98a65708a7e82112becf2dca
Analyze and fix the following issue in the Linux kernel code: mac80211_hwsim: fix use after free
Problem Details: Once the "data" pointer is freed, we can't be iterating to the next item in the list any more so we need to use list_for_each_entry_safe with a temporary variable. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 5bed8241f3cc..7916ca3f84c8 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -709,7 +709,7 @@ static const struct ieee80211_ops mac80211_hwsim_ops = static void mac80...
5d41635195c06fc3116ef3921fe85a9a3ea5ab20
Analyze and fix the following issue in the Linux kernel code: mac80211_hwsim: fix unregistration
Problem Details: If you rmmod the module while associated, frames might be transmitted during unregistration -- which will crash if the hwsim%d interface is unregistered first, so only do that after all the virtual wiphys are gone. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linvill...
```diff diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index a111bda392e2..5bed8241f3cc 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -1167,8 +1167,8 @@ static void __exit exit_mac80211_hwsim(void) { printk(KERN_DEBUG "ma...
48ab3578a65c5168ecaaa3b21292b643b7bcc2d5
Analyze and fix the following issue in the Linux kernel code: rfkill: fix rfkill_set_states() to set the hw state
Problem Details: The point of this function is to set the software and hardware state at the same time. When I tried to use it, I found it was only setting the software state. Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linvil...
```diff diff --git a/net/rfkill/core.c b/net/rfkill/core.c index 6896c0b45b4a..2fc4a1724eb8 100644 --- a/net/rfkill/core.c +++ b/net/rfkill/core.c @@ -549,6 +549,10 @@ void rfkill_set_states(struct rfkill *rfkill, bool sw, bool hw) swprev = !!(rfkill->state & RFKILL_BLOCK_SW); hwprev = !!(rfkill->state & RFKILL_BLO...
8ef86c7bfac5b44529b73b84bc50d3cf574bfb4b
Analyze and fix the following issue in the Linux kernel code: mac80211: fix injection in monitor mode
Problem Details: The location of the 802.11 header is calculated incorrectly due to a wrong placement of parentheses. Found by kmemcheck. Signed-off-by: Pavel Roskin <proski@gnu.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index d238a8939a09..3a8922cd1038 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1455,7 +1455,7 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev) monitor_iface = UNKNOWN_ADDRESS; len_rthdr = ieee80211_get_radiota...
7b80ece41aea0b73283c6df5a8f25d40aa13135d
Analyze and fix the following issue in the Linux kernel code: iwlwifi: only update byte count table during aggregation
Problem Details: The byte count table is only used for aggregation. Updating it in other cases caused fragmented frames to be dropped. This fixes http://www.intellinuxwireless.org/bugzilla/show_bug.cgi?id=2004 Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriv...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index 85ae7a62109c..9bbeec9427f0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -872,7 +872,8 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) iwl_print_he...
872ed1902f511a8947021c562f5728a5bf0640b5
Analyze and fix the following issue in the Linux kernel code: iwlwifi: only show active power level via sysfs
Problem Details: This changes the power_level file to adhere to the "one value per file" sysfs rule. The user will know which power level was requested as it will be the number just written to this file. It is thus not necessary to create a new sysfs file for this value. In addition it fixes a problem where powertop's...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 6d1519e1f011..355f50ea7fef 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -2675,12 +2675,10 @@ static ssize_t show_power_level(struct device *d, struct dev...
513a2396d8e8327aff1ce50bea3fb4f16ff3455b
Analyze and fix the following issue in the Linux kernel code: iwmc3200wifi: fix NULL pointer dereference in iwm_if_free
Problem Details: The driver private data is now based on wiphy. So we should not touch the private data after wiphy_free() is called. The patch fixes the potential NULL pointer dereference by making the iwm_wdev_free() the last one on the interface removal path. Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: ...
```diff diff --git a/drivers/net/wireless/iwmc3200wifi/netdev.c b/drivers/net/wireless/iwmc3200wifi/netdev.c index aaa20c6885c8..aea5ccf24ccf 100644 --- a/drivers/net/wireless/iwmc3200wifi/netdev.c +++ b/drivers/net/wireless/iwmc3200wifi/netdev.c @@ -151,8 +151,8 @@ void iwm_if_free(struct iwm_priv *iwm) return; ...
591d2fb02ea80472d846c0b8507007806bdd69cc
Analyze and fix the following issue in the Linux kernel code: genirq: Delegate irq affinity setting to the irq thread
Problem Details: irq_set_thread_affinity() calls set_cpus_allowed_ptr() which might sleep, but irq_set_thread_affinity() is called with desc->lock held and can be called from hard interrupt context as well. The code has another bug as it does not hold a ref on the task struct as required by set_cpus_allowed_ptr(). Jus...
```diff diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 2721f07e9354..88b056ac5629 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -64,11 +64,13 @@ * IRQTF_RUNTHREAD - signals that the interrupt handler thread should run * IRQTF_DIED - handler thread died * ...
f1015c447781729060c415f5133164c638561f25
Analyze and fix the following issue in the Linux kernel code: jbd: fix race between write_metadata_buffer and get_write_access
Problem Details: The function journal_write_metadata_buffer() calls jbd_unlock_bh_state(bh_in) too early; this could potentially allow another thread to call get_write_access on the buffer head, modify the data, and dirty it, and allowing the wrong data to be written into the journal. Fortunately, if we lose this race...
```diff diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c index 94a64a199a63..f96f85092d1c 100644 --- a/fs/jbd/journal.c +++ b/fs/jbd/journal.c @@ -287,6 +287,7 @@ int journal_write_metadata_buffer(transaction_t *transaction, struct page *new_page; unsigned int new_offset; struct buffer_head *bh_in = jh2bh(jh_in);...
ebe119cd0929df4878f758ebf880cb435e4dcaaf
Analyze and fix the following issue in the Linux kernel code: x86: Fix movq immediate operand constraints in uaccess.h
Problem Details: The movq instruction, generated by __put_user_asm() when used for 64-bit data, takes a sign-extended immediate ("e") not a zero-extended immediate ("Z"). Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: Uros Bizjak <ubizjak@gmail.com> Cc: stable@kernel.org
```diff diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index 20e6a795e160..d2c6c930b491 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -212,9 +212,9 @@ extern int __get_user_bad(void); : "A" ((typeof(*(ptr)))(x)), "c" (ptr) : "ebx") #else #def...
155b73529583c38f30fd394d692b15a893960782
Analyze and fix the following issue in the Linux kernel code: x86: Fix movq immediate operand constraints in uaccess_64.h
Problem Details: arch/x86/include/asm/uaccess_64.h uses wrong asm operand constraint ("ir") for movq insn. Since movq sign-extends its immediate operand, "er" constraint should be used instead. Attached patch changes all uses of __put_user_asm in uaccess_64.h to use "er" when "q" insn suffix is involved. Patch was co...
```diff diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h index 8cc687326eb8..db24b215fc50 100644 --- a/arch/x86/include/asm/uaccess_64.h +++ b/arch/x86/include/asm/uaccess_64.h @@ -88,11 +88,11 @@ int __copy_to_user(void __user *dst, const void *src, unsigned size) ret, "l", ...
cbfa9639aea5007313b75ec43b689d5f9e0c037d
Analyze and fix the following issue in the Linux kernel code: ocfs2: Fix error return in ocfs2_write_cluster()
Problem Details: A typo caused ocfs2_write_cluster() to return 0 in some error cases. Fix it. Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com> Signed-off-by: Joel Becker <joel.becker@oracle.com>
```diff diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index b2c52b3a1484..25aced3b0c7d 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1301,7 +1301,7 @@ static int ocfs2_write_cluster(struct address_space *mapping, if (tmpret) { mlog_errno(tmpret); if (ret == 0) - tmpret = ret; + ret = tmpret; ...
6cdbf734493d6e8f5afc6f539b82897772809d43
Analyze and fix the following issue in the Linux kernel code: mvsdio: fix handling of partial word at the end of PIO transfer
Problem Details: Standard data flow for MMC/SD/SDIO cards requires that the mvsdio controller be set for big endian operation. This is causing problems with buffers which length is not a multiple of 4 bytes as the last partial word doesn't get shifted all the way and stored properly in memory. Let's compensate for th...
```diff diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c index b56d72ff06e9..34e23489811a 100644 --- a/drivers/mmc/host/mvsdio.c +++ b/drivers/mmc/host/mvsdio.c @@ -384,7 +384,7 @@ static irqreturn_t mvsd_irq(int irq, void *dev) u16 val[2] = {0, 0}; val[0] = mvsd_read(MVSD_FIFO); val[1]...
0ecf24ef49d4f46ff5d6af357c3b9ec8d798160d
Analyze and fix the following issue in the Linux kernel code: blackfin: fix wrong CTS inversion
Problem Details: The Blackfin serial headers were inverting the CTS value leading to wrong handling of the CTS line which broke CTS/RTS handling completely. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by...
```diff diff --git a/arch/blackfin/mach-bf518/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf518/include/mach/bfin_serial_5xx.h index 0fb2ce5d840e..dbade93395eb 100644 --- a/arch/blackfin/mach-bf518/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf518/include/mach/bfin_serial_5xx.h @@ -53,7 +53,7 @@ #d...
23198fda7182969b619613a555f8645fdc3dc334
Analyze and fix the following issue in the Linux kernel code: tty: fix chars_in_buffers
Problem Details: This function does not have an error return and returning an error is instead interpreted as having a lot of pending bytes. Reported by Jeff Harris who provided a list of some of the remaining offenders. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foun...
```diff diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index 94e7e3c8c05a..d97779ef72cb 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -552,7 +552,7 @@ static int hvc_chars_in_buffer(struct tty_struct *tty) struct hvc_struct *hp = tty->driver_data; if (!hp) - re...
44d8e4e1e9b941065eb7578669fe51eb65c73e63
Analyze and fix the following issue in the Linux kernel code: ocfs2: Fix compilation warning for fs/ocfs2/xattr.c
Problem Details: gcc 4.4.1 generates the following build warning on i386: CC [M] fs/ocfs2/xattr.o fs/ocfs2/xattr.c: In function ‘ocfs2_xattr_block_get’: fs/ocfs2/xattr.c:1055: warning: ‘block_off’ may be used uninitialized in this function The following fix is based on a similar approach by David Howells few days ba...
```diff diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index ba320e250747..d1a27cda984f 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -1052,7 +1052,8 @@ static int ocfs2_xattr_block_get(struct inode *inode, struct ocfs2_xattr_block *xb; struct ocfs2_xattr_value_root *xv; size_t size; - int ret = -ENOD...
1b0d92244ff2434a98272f6d2525da32fc230f19
Analyze and fix the following issue in the Linux kernel code: can: switch carrier on if device was stopped while in bus-off state
Problem Details: This patch fixes a problem when a device is stopped while in the bus-off state. Then the carrier remains off forever. Signed-off-by: Kurt Van Dijck <kurt.van.dijck@skynet.be> Signed-off-by: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index 06083c32869a..9e4283aff828 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -473,6 +473,10 @@ int open_candev(struct net_device *dev) return -EINVAL; } + /* Switch carrier on if device was stopped while in bus-off state */ ...
f249fb783092471a4808e5fc5bda071d2724810d
Analyze and fix the following issue in the Linux kernel code: Fix error return for setsockopt(SO_TIMESTAMPING)
Problem Details: I guess it should be -EINVAL rather than EINVAL. I have not checked when the bug came in. Perhaps a candidate for -stable? Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/core/sock.c b/net/core/sock.c index d9eec153d531..bbb25be7ddfe 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -631,7 +631,7 @@ set_rcvbuf: case SO_TIMESTAMPING: if (val & ~SOF_TIMESTAMPING_MASK) { - ret = EINVAL; + ret = -EINVAL; break; } sock_valbool_flag(sk, SOCK_T...
e4135c2da11c337e3759f98727c4819ba2a849fa
Analyze and fix the following issue in the Linux kernel code: netxen: fix thermal check and shutdown
Problem Details: Check temperature for all PCI functions, that can allow graceful shutdown of all interfaces on the overheated card. Old code was only monitoring temperature for function 0 only. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 370c52f27760..637ac8b89bac 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -1535,10 +1535,12 @@ static int netxen_nic_check_temp(struct netxen_adapter *adapter) print...
b2af9cb06d4de1b507ec0fd779ec2ecedee1480a
Analyze and fix the following issue in the Linux kernel code: netxen: fix deadlock on dev close
Problem Details: netxen: fix deadlock on dev close The tx ring accounting fix in commit cb2107be43d2fc5eadec58b92b ("netxen: fix tx ring accounting") introduced intermittent deadlock when inteface is going down. This was possibly combined effect of speculative tx pause, calling netif_tx_lock instead of queue lock and...
```diff diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index 9fa71faf4ceb..f86e05047d19 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -774,6 +774,8 @@ struct nx_host_tx_ring { u32 crb_cmd_consumer; u32 num_desc; + struct netdev_queue *txq; + ...
cf981ffb31e8f41f4899a56560f81322f94f22d1
Analyze and fix the following issue in the Linux kernel code: netxen: fix context deletion sequence
Problem Details: o Use D3 reset context deletion for NX2031, it cleans up more resources in the firmware. o Release rx buffers after hardware context has been reset. o Delete tx context after rx context, some firmware control commands are sent on tx context, so it should be the last to go. Signed-off-by: Dhananj...
```diff diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index e1cdba752e09..9fa71faf4ceb 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -210,6 +210,7 @@ #define NETXEN_CTX_SIGNATURE 0xdee0 #define NETXEN_CTX_SIGNATURE_V2 0x0002dee0 #define NETXEN_...
edacaeae52ade6cbb3a0704db32a9fb4a219dee3
Analyze and fix the following issue in the Linux kernel code: RDS: Fix completion notifications on blocking sockets
Problem Details: Completion or congestion notifications were not being checked if the socket went to sleep. This patch fixes that. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/rds/recv.c b/net/rds/recv.c index f2118c51cfa3..86bc1a06ebbd 100644 --- a/net/rds/recv.c +++ b/net/rds/recv.c @@ -409,18 +409,18 @@ int rds_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, if (msg_flags & MSG_OOB) goto out; - /* If there are pending notifications, do ...
92c330b9e93ce70a8c45a6b8b0a551321d783feb
Analyze and fix the following issue in the Linux kernel code: RDS/RDMA: Fix cut-n-paste errors in printks in rdma_transport.c
Problem Details: Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/rds/rdma_transport.c b/net/rds/rdma_transport.c index 7d0f901c93d5..981a5e6ea5bc 100644 --- a/net/rds/rdma_transport.c +++ b/net/rds/rdma_transport.c @@ -101,7 +101,7 @@ int rds_rdma_cm_event_handler(struct rdma_cm_id *cm_id, break; case RDMA_CM_EVENT_DISCONNECTED: - printk(KERN_WARNING...
8dacd57e7ebc307d4d7c27c5d1caada4c4e63ebd
Analyze and fix the following issue in the Linux kernel code: RDS/IB: Fix printk to indicate remote IP, not local
Problem Details: Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c index 1eb0c291a0b4..f621086f8038 100644 --- a/net/rds/ib_cm.c +++ b/net/rds/ib_cm.c @@ -111,7 +111,7 @@ void rds_ib_cm_connect_complete(struct rds_connection *conn, struct rdma_cm_even } printk(KERN_NOTICE "RDS/IB: connected to %pI4 version %u.%u%s\n", - &c...
e547bc1eccf539b7403138d8ded913ffd2b7fd0d
Analyze and fix the following issue in the Linux kernel code: tcp: Use correct peer adr when copying MD5 keys
Problem Details: When the TCP connection handshake completes on the passive side, a variety of state must be set up in the "child" sock, including the key if MD5 authentication is being used. Fix TCP for both address families to label the key with the peer's destination address, rather than the address from the listen...
```diff diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 7c107eb876c8..6d88219c5e22 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1374,7 +1374,7 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb, */ char *newkey = kmemdup(key->key, key->keylen, GFP_ATOMIC); ...
e3afe7b75ed8f809c1473ea9b39267487c187ccb
Analyze and fix the following issue in the Linux kernel code: tcp: Fix MD5 signature checking on IPv4 mapped sockets
Problem Details: Fix MD5 signature checking so that an IPv4 active open to an IPv6 socket can succeed. In particular, use the correct address family's signature generation function for the SYN/ACK. Reported-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: John Dykstra <john.dykstra1@gmail.com> Signed-of...
```diff diff --git a/include/net/tcp.h b/include/net/tcp.h index 19f4150f4d4d..88af84306471 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1425,6 +1425,11 @@ struct tcp_request_sock_ops { #ifdef CONFIG_TCP_MD5SIG struct tcp_md5sig_key *(*md5_lookup) (struct sock *sk, struct request_sock *req); + i...
c550091edd6fac2ed9dac1b30d986b6c58b216fa
Analyze and fix the following issue in the Linux kernel code: x86/oprofile: Small coding style fixes
Problem Details: Some small coding style fixes. Signed-off-by: Robert Richter <robert.richter@amd.com>
```diff diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c index 1ea19829d985..827beecb67a4 100644 --- a/arch/x86/oprofile/op_model_amd.c +++ b/arch/x86/oprofile/op_model_amd.c @@ -144,11 +144,10 @@ static void op_amd_setup_ctrs(struct op_x86_model_spec const *model, /* setup reset_val...
6bfccd099c2841e1c42530f1b6d2553bfa13be3a
Analyze and fix the following issue in the Linux kernel code: x86/oprofile: Fix initialization of switch_index
Problem Details: Variable switch_index must be initialized for each cpu. This patch fixes the initialization by moving it to the per-cpu init function nmi_cpu_setup(). Signed-off-by: Robert Richter <robert.richter@amd.com>
```diff diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c index 8cd4658370be..b211d335e075 100644 --- a/arch/x86/oprofile/nmi_int.c +++ b/arch/x86/oprofile/nmi_int.c @@ -160,7 +160,7 @@ static int allocate_msrs(void) #ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX -static void nmi_setup_cpu_mux(struct ...
5e766e3e433fa2d5d2fdfd8e2432804c91393387
Analyze and fix the following issue in the Linux kernel code: x86/oprofile: Fix usage of NUM_CONTROLS/NUM_COUNTERS macros
Problem Details: Use the corresponding macros when iterating over counter and control registers. Since NUM_CONTROLS and NUM_COUNTERS are equal for AMD cpus the fix is more a cosmetical change. Signed-off-by: Robert Richter <robert.richter@amd.com>
```diff diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c index fdbed3a0c877..dcfd4505cacc 100644 --- a/arch/x86/oprofile/op_model_amd.c +++ b/arch/x86/oprofile/op_model_amd.c @@ -99,7 +99,7 @@ static void op_amd_fill_in_addresses(struct op_msrs * const msrs) #ifdef CONFIG_OPROFILE_EVE...
be916cdebe4dc720a23b1a9bb589f2c22afd6589
Analyze and fix the following issue in the Linux kernel code: ipv4: Fix inflate_threshold_root automatically
Problem Details: During large updates there could be triggered warnings like: "Fix inflate_threshold_root. Now=25 size=11 bits" if inflate() of the root node isn't finished in 10 loops. It should be much rarer now, after changing the threshold from 15 to 25, and a temporary problem, so this patch tries to handle it aut...
```diff diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 58ba9f4f2c92..5741d1306cc5 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -327,6 +327,8 @@ static const int inflate_threshold = 50; static const int halve_threshold_root = 15; static const int inflate_threshold_root = 25; +static in...
34fdeb2d07102e07ecafe79dec170bd6733f2e56
Analyze and fix the following issue in the Linux kernel code: ALSA: ca0106 - Fix the max capture buffer size
Problem Details: The capture buffer size with 64kB seems broken with CA0106. At least, either the update timing or the DMA position is wrong, and this screws up pulseaudio badly. This patch restricts the max buffer size less than that to make life a bit easier. Signed-off-by: Takashi Iwai <tiwai@suse.de> Cc: <stable@...
```diff diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c index 57b992a5c057..700f15ea16d4 100644 --- a/sound/pci/ca0106/ca0106_main.c +++ b/sound/pci/ca0106/ca0106_main.c @@ -325,9 +325,9 @@ static struct snd_pcm_hardware snd_ca0106_capture_hw = { .rate_max = 192000, .channels_min = 2,...
b04add956616b6d89ff21da749b46ad2bd58ef32
Analyze and fix the following issue in the Linux kernel code: ALSA: hda - Fix pin-setup for Sony VAIO with STAC9872 codecs
Problem Details: The recent rewrite of the codec parser for STAC9872 caused a regression for some Sony VAIO models that don't give proper pin default configs by BIOS. Even using model=vaio doesn't work because the pin definitions are set after the pin overrides. This patch fixes the pin definitions in patch_stac9872(...
```diff diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index d9b89ba2b653..da7f9f65c047 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -5855,6 +5855,8 @@ static unsigned int *stac9872_brd_tbl[STAC_9872_MODELS] = { }; static struct snd_pci_quirk stac...
f96e0808212ca284cc9398d7cd3f573786c1d890
Analyze and fix the following issue in the Linux kernel code: ALSA: OSS sequencer should be initialized after snd_seq_system_client_init
Problem Details: When build SND_SEQUENCER in kernel then OSS sequencer(alsa_seq_oss_init) is initialized before System (snd_seq_system_client_init) which leads to memory leak : unreferenced object 0xf6b0e680 (size 256): comm "swapper", pid 1, jiffies 4294670753 backtrace: [<c108ac5c>] create_object+0x135/0x204...
```diff diff --git a/sound/core/seq/Makefile b/sound/core/seq/Makefile index 1bcb360330e5..941f64a853eb 100644 --- a/sound/core/seq/Makefile +++ b/sound/core/seq/Makefile @@ -3,10 +3,6 @@ # Copyright (c) 1999 by Jaroslav Kysela <perex@perex.cz> # -ifeq ($(CONFIG_SND_SEQUENCER_OSS),y) - obj-$(CONFIG_SND_SEQUENCER) ...
57594742a2b545f8f114cda34f15650be8ae976d
Analyze and fix the following issue in the Linux kernel code: x86: Introduce set_desc_base() and set_desc_limit()
Problem Details: Rename set_base()/set_limit to set_desc_base()/set_desc_limit() and rewrite them in C. These are naturally introduced by the idea of get_desc_base()/get_desc_limit(). The conversion actually found the bug in apm_32.c: bad_bios_desc is written at run-time, but it is defined const variable. Signed-off-...
```diff diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h index c993e9e0fed4..e8de2f6f5ca5 100644 --- a/arch/x86/include/asm/desc.h +++ b/arch/x86/include/asm/desc.h @@ -291,11 +291,24 @@ static inline unsigned long get_desc_base(const struct desc_struct *desc) return desc->base0 | ((desc->base1)...
79ef2bb01445400def20c7993b27fbcad27ca95f
Analyze and fix the following issue in the Linux kernel code: clocksource: Prevent NULL pointer dereference
Problem Details: Writing a zero length string to sys/.../current_clocksource will cause a NULL pointer dereference if the clock events system is in one shot (highres or nohz) mode. Pointed-out-by: Dan Carpenter <error27@gmail.com> LKML-Reference: <alpine.DEB.2.00.0907191545580.12306@bicker> Signed-off-by: Thomas Gleix...
```diff diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c index 592bf584d1d2..7466cb811251 100644 --- a/kernel/time/clocksource.c +++ b/kernel/time/clocksource.c @@ -513,7 +513,7 @@ static ssize_t sysfs_override_clocksource(struct sys_device *dev, * Check to make sure we don't switch to a non-highre...
64e8be6ebdb8212898781fff7722ff2b0eb76131
Analyze and fix the following issue in the Linux kernel code: ARM: Realview & Versatile: Fix i2c_board_info definitions
Problem Details: Fix i2c_board_info definitions - we were defining the 'type' field of these structures twice since the first argument of I2C_BOARD_INFO sets this field. Move the second definition into I2C_BOARD_INFO(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Jean Delvare <khali@linux-fr.o...
```diff diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index 9ea9c05093cd..facbd49eec67 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -208,8 +208,7 @@ struct platform_device realview_i2c_device = { static struct i2c_board_info realview_i2c_board_info[] ...
def01bc53d03881acfc393bd10a5c7575187e008
Analyze and fix the following issue in the Linux kernel code: sched: Convert the only user of cond_resched_bkl to use cond_resched()
Problem Details: fs/locks.c:flock_lock_file() is the only user of cond_resched_bkl() This helper doesn't do anything more than cond_resched(). The latter naming is enough to explain that we are rescheduling if needed. The bkl suffix suggests another semantics but it's actually a synonym of cond_resched(). Reported-b...
```diff diff --git a/fs/locks.c b/fs/locks.c index b6440f52178f..2eb81975c99c 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -768,7 +768,7 @@ static int flock_lock_file(struct file *filp, struct file_lock *request) * give it the opportunity to lock the file. */ if (found) - cond_resched_bkl(); + cond_resched(); ...
6301cb95c119ebf324bb96ee226fa9ddffad80a7
Analyze and fix the following issue in the Linux kernel code: sched: fix nr_uninterruptible accounting of frozen tasks really
Problem Details: commit e3c8ca8336 (sched: do not count frozen tasks toward load) broke the nr_uninterruptible accounting on freeze/thaw. On freeze the task is excluded from accounting with a check for (task->flags & PF_FROZEN), but that flag is cleared before the task is thawed. So while we prevent that the task with ...
```diff diff --git a/include/linux/sched.h b/include/linux/sched.h index 16a982e389fb..3ab08e4bb6b8 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -209,7 +209,7 @@ extern unsigned long long time_sync_thresh; ((task->state & (__TASK_STOPPED | __TASK_TRACED)) != 0) #define task_contributes_to_load...
a468d389349a7560249b355cdb6d2097ea1616c9
Analyze and fix the following issue in the Linux kernel code: sched: fix load average accounting vs. cpu hotplug
Problem Details: The new load average code clears rq->calc_load_active on CPU_ONLINE. That's wrong as the new onlined CPU might have got a scheduler tick already and accounted the delta to the stale value of the time we offlined the CPU. Clear the value when we cleanup the dead CPU instead. Also move the update of t...
```diff diff --git a/kernel/sched.c b/kernel/sched.c index 98972d366fdc..1b59e265273b 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -7289,6 +7289,7 @@ static void migrate_dead_tasks(unsigned int dead_cpu) static void calc_global_load_remove(struct rq *rq) { atomic_long_sub(rq->calc_load_active, &calc_load_tas...
8bcdbe427924a1e4b4e4cf68020e92e9f93fe011
Analyze and fix the following issue in the Linux kernel code: x86: Include all of .data.* sections in _edata on 64-bit
Problem Details: The .data.read_mostly and .data.cacheline_aligned sections aren't covered by the _sdata .. _edata range on x86-64. This affects kmemleak reporting leading to possible false positives by not scanning the whole data section. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Alexey Fish...
```diff diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index 367e87882041..59f31d2dd435 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -112,11 +112,6 @@ SECTIONS _sdata = .; DATA_DATA CONSTRUCTORS - -#ifdef CONFIG_X86_64 - /* End of data section *...
6aa542a694dc9ea4344a8a590d2628c33d1b9431
Analyze and fix the following issue in the Linux kernel code: x86: Add quirk for Intel DG45ID board to avoid low memory corruption
Problem Details: AMI BIOS with low memory corruption was found on Intel DG45ID board (Bug 13710). Add this board to the blacklist - in the (somewhat optimistic) hope of future boards/BIOSes from Intel not having this bug. Also see: http://bugzilla.kernel.org/show_bug.cgi?id=13736 Signed-off-by: Alexey Fisher <bug-...
```diff diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index de2cab132844..63f32d220ef2 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -672,6 +672,19 @@ static struct dmi_system_id __initdata bad_bios_dmi_table[] = { DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies"), }, ...
bca146578c863a1f37cb191995317e855a0364e1
Analyze and fix the following issue in the Linux kernel code: ASoC: Fix checkpatch issues in AD1938
Problem Details: Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
```diff diff --git a/sound/soc/codecs/ad1938.c b/sound/soc/codecs/ad1938.c index 5a7d00cad69a..ffc97c9b797f 100644 --- a/sound/soc/codecs/ad1938.c +++ b/sound/soc/codecs/ad1938.c @@ -43,9 +43,8 @@ /* codec private data */ struct ad1938_priv { - struct snd_soc_codec codec; + struct snd_soc_codec codec; u8 r...
54fdc5816631b43ba55fc3206d7add2d85850bc6
Analyze and fix the following issue in the Linux kernel code: sched: Account for vruntime wrapping
Problem Details: I spotted two sites that didn't take vruntime wrap-around into account. Fix these by creating a comparison helper that does do so. Signed-off-by: Fabio Checconi <fabio@gandalf.sssup.it> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <...
```diff diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 7c248dc30f41..9ffb2b2ceba4 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -266,6 +266,12 @@ static inline u64 min_vruntime(u64 min_vruntime, u64 vruntime) return min_vruntime; } +static inline int entity_before(struct sched_entity ...
eb9069119d1c4bc856b4c1339abcad0105691e71
Analyze and fix the following issue in the Linux kernel code: [ARM] pxa: fix gpio issue in zylonite
Problem Details: WARNING: at drivers/gpio/gpiolib.c:83 gpio_ensure_requested+0x58/0xbc() autorequest GPIO-71 Modules linked in: [<c0028bd0>] (unwind_backtrace+0x0/0xe8) from [<c003c328>] (warn_slowpath_common+0x48/0x78) [<c003c328>] (warn_slowpath_common+0x48/0x78) from [<c003c394>] (warn_slowpath_fmt+0x28/0x38) [...
```diff diff --git a/arch/arm/mach-pxa/zylonite_pxa300.c b/arch/arm/mach-pxa/zylonite_pxa300.c index cefd1c0a854a..84095440a878 100644 --- a/arch/arm/mach-pxa/zylonite_pxa300.c +++ b/arch/arm/mach-pxa/zylonite_pxa300.c @@ -197,10 +197,12 @@ static void __init zylonite_detect_lcd_panel(void) for (i = 0; i < NUM_LCD_DE...
04e448d9a386640a79a4aa71251aa1cdd314f662
Analyze and fix the following issue in the Linux kernel code: vmlinux.lds.h: restructure BSS linker script macros
Problem Details: The BSS section macros in vmlinux.lds.h currently place the .sbss input section outside the bounds of [__bss_start, __bss_end]. On all architectures except for microblaze that handle both .sbss and __bss_start/__bss_end, this is wrong: the .sbss input section is within the range [__bss_start, __bss_en...
```diff diff --git a/arch/mn10300/kernel/vmlinux.lds.S b/arch/mn10300/kernel/vmlinux.lds.S index c96ba3da95ac..f4aa07934654 100644 --- a/arch/mn10300/kernel/vmlinux.lds.S +++ b/arch/mn10300/kernel/vmlinux.lds.S @@ -107,7 +107,7 @@ SECTIONS __init_end = .; /* freed after init ends here */ - BSS(4) + BSS_SECTIO...
0c11f655553c84bb695fdd5ea8b19d42b41b7133
Analyze and fix the following issue in the Linux kernel code: ASoC: Fix FLL reference clock division setup in WM8993
Problem Details: Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
```diff diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c index f9c49b3e559c..e246ca079897 100644 --- a/sound/soc/codecs/wm8993.c +++ b/sound/soc/codecs/wm8993.c @@ -345,8 +345,10 @@ static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, /* Fref must be <=13.5MHz */ div = 1; + fll_di...
668cdedfdb2eb00d8efe127618bead4d46d9e942
Analyze and fix the following issue in the Linux kernel code: kconfig: variable argument lists needs `stdarg.h'
Problem Details: Fix build on non GNU based platforms. Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
```diff diff --git a/scripts/kconfig/lxdialog/util.c b/scripts/kconfig/lxdialog/util.c index 86d95cca46a7..f2375ad7ebc9 100644 --- a/scripts/kconfig/lxdialog/util.c +++ b/scripts/kconfig/lxdialog/util.c @@ -19,6 +19,8 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <stdarg.h> + #incl...
241ad11f2d2542723136ffa81cd5db61d590156c
Analyze and fix the following issue in the Linux kernel code: kbuild, deb-pkg: fix install scripts for posix sh
Problem Details: bash versus dash and posh disagree on expanding $@ within double quotes: export x="$@" see http://bugs.debian.org/381091 for details just use the arglist with $*. dpkg: error processing linux-image-2.6.31-rc1_2.6.31-rc1-18_i386.deb (--install): subprocess pre-installation script returned error exit s...
```diff diff --git a/scripts/package/builddeb b/scripts/package/builddeb index b19f1f4962e3..8b357b0bd250 100644 --- a/scripts/package/builddeb +++ b/scripts/package/builddeb @@ -89,7 +89,7 @@ for script in postinst postrm preinst prerm ; do set -e # Pass maintainer script parameters to hook scripts -export DEB_MAI...
8aa2df53088f024b13cb005956bd6da94cc1fd2d
Analyze and fix the following issue in the Linux kernel code: ASoC: Bodge around GCC 4.4.0 flow analysis bug in GCC 4.4.0
Problem Details: GCC 4.4.0 doesn't appear to be able to spot that we don't apply any FLL configuration if the output frequency is zero. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
```diff diff --git a/sound/soc/codecs/wm8400.c b/sound/soc/codecs/wm8400.c index 0bf903f27564..b9ef4d915221 100644 --- a/sound/soc/codecs/wm8400.c +++ b/sound/soc/codecs/wm8400.c @@ -1022,10 +1022,15 @@ static int wm8400_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, if (freq_in == wm8400->fll_in && freq_out ...
14d87e6c399f3942d63dff41447ff08a615d9a6b
Analyze and fix the following issue in the Linux kernel code: sparc: Fix cleanup crash in bbc_envctrl_cleanup()
Problem Details: If kthread_run() fails or never gets to run we'll have NULL or a pointer encoded error in kenvctrld_task, rather than a legitimate task pointer. So this makes bbc_envctrl_cleanup() crash as it passed this bogus pointer into kthread_stop(). Reported-by: BERTRAND Joël <joel.bertrand@systella.fr> Signed...
```diff diff --git a/drivers/sbus/char/bbc_envctrl.c b/drivers/sbus/char/bbc_envctrl.c index 15dab96d05e3..7c815d3327f7 100644 --- a/drivers/sbus/char/bbc_envctrl.c +++ b/drivers/sbus/char/bbc_envctrl.c @@ -537,8 +537,12 @@ int bbc_envctrl_init(struct bbc_i2c_bus *bp) } if (temp_index != 0 && fan_index != 0) { k...
37cf2b8d1622897cf57e70cdab9eba57feb5ff6c
Analyze and fix the following issue in the Linux kernel code: connector: get test code working by default
Problem Details: The connector test code currently does not work out of the box. This is because it uses a connector id that is above the registered limit. So rather than force people to stumble through undocumented code wondering why it isn't working, have the test code use one of the "private" ids by default. Whil...
```diff diff --git a/Documentation/connector/Makefile b/Documentation/connector/Makefile index 8df1a7285a06..d98e4df98e24 100644 --- a/Documentation/connector/Makefile +++ b/Documentation/connector/Makefile @@ -9,3 +9,8 @@ hostprogs-y := ucon always := $(hostprogs-y) HOSTCFLAGS_ucon.o += -I$(objtree)/usr/include + ...
652f6787c082a174f0bbfa7f895b65b03d8d46c9
Analyze and fix the following issue in the Linux kernel code: fs_enet/mii-fec.c: fix MII speed calculation
Problem Details: The MII speed calculation was based on the CPU clock (ppc_proc_freq), but for MPC512x we must use the bus clock instead. This patch makes it use the correct clock and makes sure we don't clobber reserved bits in the MII_SPEED register. Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Grant Likely <grant...
```diff diff --git a/drivers/net/fs_enet/mii-fec.c b/drivers/net/fs_enet/mii-fec.c index 75a09994d665..a2d69c1cd07e 100644 --- a/drivers/net/fs_enet/mii-fec.c +++ b/drivers/net/fs_enet/mii-fec.c @@ -36,6 +36,7 @@ #include <asm/pgtable.h> #include <asm/irq.h> #include <asm/uaccess.h> +#include <asm/mpc5xxx.h> #inc...
ecc2e05e739c30870c8e4f252b63a0c4041f2724
Analyze and fix the following issue in the Linux kernel code: tty_port: Fix return on interrupted use
Problem Details: Whoops.. fortunately not many people use this yet. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
```diff diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c index 4e862a75f7ff..9769b1149f76 100644 --- a/drivers/char/tty_port.c +++ b/drivers/char/tty_port.c @@ -267,7 +267,7 @@ int tty_port_block_til_ready(struct tty_port *port, if (retval == 0) port->flags |= ASYNC_NORMAL_ACTIVE; spin_unlock_irqre...
390bd132b2831a2ad0268e84bffbfc0680debfe5
Analyze and fix the following issue in the Linux kernel code: Add dma_debug_init() for ia64
Problem Details: The commit 9916219579d078c80377dd3988c2cc213536d868 was supposed to add CONFIG_DMA_API_DEBUG support to IA64 however I forgot to add dma_debug_init(). Signed-off-by: fujita <fujita@tulip.osrg.net> Acked-by: Fenghua Yu <fenghua.yu@intel.com>
```diff diff --git a/arch/ia64/kernel/dma-mapping.c b/arch/ia64/kernel/dma-mapping.c index 086a2aeb0404..39a3cd0a4173 100644 --- a/arch/ia64/kernel/dma-mapping.c +++ b/arch/ia64/kernel/dma-mapping.c @@ -6,6 +6,14 @@ int iommu_detected __read_mostly; struct dma_map_ops *dma_ops; EXPORT_SYMBOL(dma_ops); +#define PREA...
6f409461210baf76ade1bfdd9470fd5b98378b36
Analyze and fix the following issue in the Linux kernel code: Fix ia64 compilation IS_ERR and PTE_ERR errors.
Problem Details: When building ia64 kernel with CONFIG_XEN_SYS_HYPERVISOR, compiler reports errors: drivers/xen/sys-hypervisor.c: In function ‘uuid_show’: drivers/xen/sys-hypervisor.c:125: error: implicit declaration of function ‘IS_ERR’ drivers/xen/sys-hypervisor.c:126: error: implicit declaration of function ‘PTR_ER...
```diff diff --git a/arch/ia64/include/asm/xen/hypervisor.h b/arch/ia64/include/asm/xen/hypervisor.h index e425227a418e..88afb54501e4 100644 --- a/arch/ia64/include/asm/xen/hypervisor.h +++ b/arch/ia64/include/asm/xen/hypervisor.h @@ -33,6 +33,7 @@ #ifndef _ASM_IA64_XEN_HYPERVISOR_H #define _ASM_IA64_XEN_HYPERVISOR_H...
3f3b7c1aed70fa25c6811f830c5fb1a7054681ae
Analyze and fix the following issue in the Linux kernel code: ALSA: hda - Fix ALC268 parser for mono speaker
Problem Details: - Parse the mono output pin 0x16 correctly even as the primary output - Create "Speaker" volume control if the primary output is a speaker - Fix the wrong direction of (optional) "Mono" switch Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 7967f8f1a347..507a7720013e 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -11816,26 +11816,38 @@ static int alc268_new_analog_output(struct alc_spec *spec, hda_nid_t nid, const char *ctln...
fbeeea5386ab213bd55b223f3a75c823fccd6df5
Analyze and fix the following issue in the Linux kernel code: [ARM] 5607/1: ep93xx: Use __iomem pointer on syscon write function
Problem Details: Change the reg argument of the ep93xx_syscon_swlocked_write function to be an __iomem pointer. Fixes a number of build warnings. Signed-off-by: Ryan Mallon <ryan@bluewatersys.com> Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
```diff diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index 4c38941a92c7..b390c35f8bc1 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -377,7 +377,7 @@ void __init ep93xx_init_irq(void) */ static DEFINE_SPINLOCK(syscon_swlock); -void ep93xx_syscon_swlocked_wri...
595c050d89e91e91cca3845e48b01042677bd19e
Analyze and fix the following issue in the Linux kernel code: [ARM] 5605/1: Fix ep93xx gpio.c headers
Problem Details: Fix a number of build errors in ep93xx gpio.c due to to missing irq.h Signed-off-by: Ryan Mallon <ryan@bluewatersys.com> Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
```diff diff --git a/arch/arm/mach-ep93xx/gpio.c b/arch/arm/mach-ep93xx/gpio.c index 2d83d69e2eed..1ea8871e03a9 100644 --- a/arch/arm/mach-ep93xx/gpio.c +++ b/arch/arm/mach-ep93xx/gpio.c @@ -18,6 +18,7 @@ #include <linux/seq_file.h> #include <linux/io.h> #include <linux/gpio.h> +#include <linux/irq.h> #include <m...
2653d1d7f0284f3b68f25dafa208d0a013f7e9db
Analyze and fix the following issue in the Linux kernel code: [ARM] 5606/1: Fix ep93xx watchdog driver headers
Problem Details: Fix a number of build errors in the ep93xx watchdog driver due to missing io.h Signed-off-by: Ryan Mallon <ryan@bluewatersys.com> Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
```diff diff --git a/drivers/watchdog/ep93xx_wdt.c b/drivers/watchdog/ep93xx_wdt.c index e9f950ff86ea..cdd55e0d09f8 100644 --- a/drivers/watchdog/ep93xx_wdt.c +++ b/drivers/watchdog/ep93xx_wdt.c @@ -29,6 +29,7 @@ #include <linux/watchdog.h> #include <linux/timer.h> #include <linux/uaccess.h> +#include <linux/io.h> ...
d9ecdea7ed7467db32ec160f4eca46c279255606
Analyze and fix the following issue in the Linux kernel code: virtio_blk: ioctl return value fix
Problem Details: Block driver ioctl methods must return ENOTTY and not -ENOIOCTLCMD if they expect the block layer to handle generic ioctls. This triggered a BLKROSET failure in xfsqa #200. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
```diff diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 4c47859ad8b1..fbeefb68a31f 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -213,7 +213,7 @@ static int virtblk_ioctl(struct block_device *bdev, fmode_t mode, * Only allow the generic SCSI ioctls if the host...
5780888bcac316508eb5f4dd23bbea8b5057647c
Analyze and fix the following issue in the Linux kernel code: lguest: fix journey
Problem Details: fix: "make Guest" was complaining about duplicated G:032 Signed-off-by: Matias Zabaljauregui <zabaljauregui@gmail.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
```diff diff --git a/arch/x86/include/asm/lguest_hcall.h b/arch/x86/include/asm/lguest_hcall.h index d31c4a684078..33600a66755f 100644 --- a/arch/x86/include/asm/lguest_hcall.h +++ b/arch/x86/include/asm/lguest_hcall.h @@ -30,7 +30,7 @@ #include <asm/hw_irq.h> #include <asm/kvm_para.h> -/*G:031 But first, how does ...
82e1b804b03defe46fb69ffd2c8b19e6649bcb0d
Analyze and fix the following issue in the Linux kernel code: ALSA: hda - Fix the previous sanity check in make_codec_cmd()
Problem Details: The newly added sanity-check for a codec verb can be better written with logical ORs. Also, the parameter can be more than 8bit. Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index d9d326297834..35f0f223f85e 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -150,8 +150,8 @@ make_codec_cmd(struct hda_codec *codec, hda_nid_t nid, int direct, { u32 val; - if ((codec->addr & ~0xf) | (direct &...
6430aeeb30b478d4ef25f988b1fde6f6ae83adb5
Analyze and fix the following issue in the Linux kernel code: ALSA: hda - add bounds checking for the codec command fields
Problem Details: A recent bug involves passing auto detected >0x7f NID to codec command, creating an invalid codec addr field, and finally lead to cmd timeout and fall back into single command mode. Jaroslav fixed that bug in alc880_parse_auto_config(). It would be safer to further check the bounds of all cmd fields. ...
```diff diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index ec352c6ae49a..d9d326297834 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -150,7 +150,14 @@ make_codec_cmd(struct hda_codec *codec, hda_nid_t nid, int direct, { u32 val; - val = (u32)(codec->addr & 0x0f) << ...
9cb308ce8d32a1fb3600acab6034e19a90228743
Analyze and fix the following issue in the Linux kernel code: block: sysfs fix mismatched queue_var_{store,show} in 64bit kernel
Problem Details: In blk-sysfs.c, queue_var_store uses unsigned long to store data, but queue_var_show uses unsigned int to show data. This causes, # echo 70000000000 > /sys/block/<dev>/queue/read_ahead_kb # cat /sys/block/<dev>/queue/read_ahead_kb => get wrong value Fix it by using unsigned long. While at it, con...
```diff diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index b1cd04087d6a..418d63619680 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -16,9 +16,9 @@ struct queue_sysfs_entry { }; static ssize_t -queue_var_show(unsigned int var, char *page) +queue_var_show(unsigned long var, char *page) { - return s...
0a09f4319c6d88c732ed46735f8584bbb95cac65
Analyze and fix the following issue in the Linux kernel code: block: fix failfast merge testing in elv_rq_merge_ok()
Problem Details: Commit ab0fd1debe730ec9998678a0c53caefbd121ed10 tries to prevent merge of requests with different failfast settings. In elv_rq_merge_ok(), it compares new bio's failfast flags against the merge target request's. However, the flag testing accessors for bio and blk don't return boolean but the tested b...
```diff diff --git a/block/elevator.c b/block/elevator.c index 6f2375339a99..2d511f9105e1 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -101,11 +101,16 @@ int elv_rq_merge_ok(struct request *rq, struct bio *bio) return 0; /* - * Don't merge if failfast settings don't match + * Don't merge if failfast...
04aef32d39cc4ef80087c0ce8ed113c6d64f1a6b
Analyze and fix the following issue in the Linux kernel code: tracing/function: Fix the return value of ftrace_trace_onoff_callback()
Problem Details: ftrace_trace_onoff_callback() will return an error even if we do the right operation, for example: # echo _spin_*:traceon:10 > set_ftrace_filter -bash: echo: write error: Invalid argument # cat set_ftrace_filter #### all functions enabled #### _spin_trylock_bh:traceon:count=10 _spin_unlock_irq:t...
```diff diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c index 7402144bff21..75ef000613c3 100644 --- a/kernel/trace/trace_functions.c +++ b/kernel/trace/trace_functions.c @@ -363,7 +363,7 @@ ftrace_trace_onoff_callback(char *glob, char *cmd, char *param, int enable) out_reg: ret = regist...
869f1c54e9aecde1dfd4349832ce9415a596be8e
Analyze and fix the following issue in the Linux kernel code: ixgbe: Remove DPRINTK messages in DCB mode
Problem Details: Remove debug DPRINTK in DCB mode netlink interface. Signed-off-by: Lucy Liu <lucy.liu@intel.com> Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ixgbe/ixgbe_dcb_nl.c index 5b8dab22c6da..da2c8514b8d0 100644 --- a/drivers/net/ixgbe/ixgbe_dcb_nl.c +++ b/drivers/net/ixgbe/ixgbe_dcb_nl.c @@ -106,8 +106,6 @@ static u8 ixgbe_dcbnl_get_state(struct net_device *netdev) { struct ixgbe_adapter *adapter...
4dc6dc7162c08b9965163c9ab3f9375d4adff2c7
Analyze and fix the following issue in the Linux kernel code: net: sock_copy() fixes
Problem Details: Commit e912b1142be8f1e2c71c71001dc992c6e5eb2ec1 (net: sk_prot_alloc() should not blindly overwrite memory) took care of not zeroing whole new socket at allocation time. sock_copy() is another spot where we should be very careful. We should not set refcnt to a non null value, until we are sure other fi...
```diff diff --git a/include/net/sock.h b/include/net/sock.h index 2c0da9239b95..950409dcec3d 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -104,15 +104,15 @@ struct net; /** * struct sock_common - minimal network layer representation of sockets + * @skc_node: main hash linkage for various protocol l...
37b76c697f4ac082e9923dfa8e8aecc8bc54a8e1
Analyze and fix the following issue in the Linux kernel code: atl1c: misplaced parenthesis
Problem Details: Fix misplaced parenthesis Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/atl1c/atl1c_main.c b/drivers/net/atl1c/atl1c_main.c index cd547a205fb9..a383122679de 100644 --- a/drivers/net/atl1c/atl1c_main.c +++ b/drivers/net/atl1c/atl1c_main.c @@ -1689,7 +1689,7 @@ static void atl1c_clean_rx_irq(struct atl1c_adapter *adapter, u8 que, if (likely(RRS_RXD_IS_VALI...
d2e3ee9b29f5de5b01e611b04e6fb29760589b01
Analyze and fix the following issue in the Linux kernel code: kernel: fix is_single_threaded
Problem Details: - Fix the comment, is_single_threaded(p) actually means that nobody shares ->mm with p. I think this helper should be renamed, and it should not have arguments. With or without this patch it must not be used unless p == current, otherwise we can't safely use p->signal or p->mm. - "if (atomic_...
```diff diff --git a/lib/is_single_threaded.c b/lib/is_single_threaded.c index f1ed2fe76c65..2762516e0a5e 100644 --- a/lib/is_single_threaded.c +++ b/lib/is_single_threaded.c @@ -12,34 +12,44 @@ #include <linux/sched.h> -/** - * is_single_threaded - Determine if a thread group is single-threaded or not - * @p: A t...
da706d8bc833e7153622435560422e653bdb2e94
Analyze and fix the following issue in the Linux kernel code: ring_buffer: Fix warning while ignoring cmpxchg return value
Problem Details: kernel/trace/ring_buffer.c: In function 'rb_tail_page_update': kernel/trace/ring_buffer.c:849: warning: value computed is not used kernel/trace/ring_buffer.c:850: warning: value computed is not used Add "(void)"s to fix this warning, because we don't need here to handle the fail case of cmpxchg, it's ...
```diff diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index e648ba4f70e0..51633d74a21e 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -845,9 +845,14 @@ static int rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer, * This will only succeed if an interrupt ...
713c0ecdb888e9ef6f085e828555455c5916b07f
Analyze and fix the following issue in the Linux kernel code: security: fix security_file_lock cmd argument
Problem Details: Pass posix-translated lock operations to security_file_lock when invoked via sys_flock. Signed-off-by: Sten Spans <Sten_Spans@genua.de> Signed-off-by: James Morris <jmorris@namei.org>
```diff diff --git a/fs/locks.c b/fs/locks.c index b6440f52178f..52366e877d76 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -1591,7 +1591,7 @@ SYSCALL_DEFINE2(flock, unsigned int, fd, unsigned int, cmd) if (can_sleep) lock->fl_flags |= FL_SLEEP; - error = security_file_lock(filp, cmd); + error = security_file_lock...