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8422fa110334cea79ab16c474902edb21a8b3168
Analyze and fix the following issue in the Linux kernel code: ALSA: Add #ifdef CONFIG_PCI guard for snd_pci_quirk_* functions
Problem Details: This fixes below build warning when CONFIG_PCI is not set. CC sound/sound_core.o In file included from sound/sound_core.c:15: include/sound/core.h:454: warning: 'struct pci_dev' declared inside parameter list include/sound/core.h:454: warning: its scope is only this definition or declaration, whi...
```diff diff --git a/include/sound/core.h b/include/sound/core.h index 5ab255f196cc..cea1b5426dfa 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -417,6 +417,7 @@ static inline int __snd_bug_on(int cond) #define gameport_get_port_data(gp) (gp)->port_data #endif +#ifdef CONFIG_PCI /* PCI quirk list ...
aa3e8b4e715d0781a4e6cd1bb7570410209f0ba8
Analyze and fix the following issue in the Linux kernel code: usb: otg: mv_otg: Add dependence
Problem Details: This otg driver depends on marvell EHCI driver, so add the dependence. It can fix the following build error on i386: ERROR: "usb_remove_hcd" [drivers/usb/otg/mv_otg.ko] undefined! ERROR: "usb_add_hcd" [drivers/usb/otg/mv_otg.ko] undefined! Signed-off-by: Neil Zhang <zhangwm@marvell.com> Signed-off-by...
```diff diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig index 76d629345418..735ef4c2339a 100644 --- a/drivers/usb/otg/Kconfig +++ b/drivers/usb/otg/Kconfig @@ -118,7 +118,7 @@ config FSL_USB2_OTG config USB_MV_OTG tristate "Marvell USB OTG support" - depends on USB_MV_UDC && USB_SUSPEND + depends on...
683da59d7b8ae04891636d4b59893cd4e9b0b7e5
Analyze and fix the following issue in the Linux kernel code: usb: gadget: zero: fix bug in loopback autoresume handling
Problem Details: ab943a2e125b (USB: gadget: gadget zero uses new suspend/resume hooks) introduced a copy-paste error where f_loopback.c writes to a variable declared in f_sourcesink.c. This prevents one from creating gadgets that only have a loopback function. Cc: stable <stable@vger.kernel.org> Signed-off-by: Timo Ju...
```diff diff --git a/drivers/usb/gadget/f_loopback.c b/drivers/usb/gadget/f_loopback.c index 6d87f288df4e..2c0cd824c667 100644 --- a/drivers/usb/gadget/f_loopback.c +++ b/drivers/usb/gadget/f_loopback.c @@ -418,7 +418,7 @@ int __init loopback_add(struct usb_composite_dev *cdev, bool autoresume) /* support autoresum...
181e9bdef37bfcaa41f3ab6c948a2a0d60a268b5
Analyze and fix the following issue in the Linux kernel code: PM / Hibernate: Fix s2disk regression related to freezing workqueues
Problem Details: Commit 2aede851ddf08666f68ffc17be446420e9d2a056 PM / Hibernate: Freeze kernel threads after preallocating memory introduced a mechanism by which kernel threads were frozen after the preallocation of hibernate image memory to avoid problems with frozen kernel threads not responding to memory freeing...
```diff diff --git a/include/linux/freezer.h b/include/linux/freezer.h index 0ab54e16a91f..d09af4b67cf1 100644 --- a/include/linux/freezer.h +++ b/include/linux/freezer.h @@ -39,6 +39,7 @@ extern bool __refrigerator(bool check_kthr_stop); extern int freeze_processes(void); extern int freeze_kernel_threads(void); ext...
6edf3c30af01854c416f8654d3d5d2652470afd4
Analyze and fix the following issue in the Linux kernel code: hwmon: (sht15) fix bad error code
Problem Details: When no platform data was supplied, returned error code was 0. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Cc: stable@vger.kernel.org # 2.6.32+ Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
```diff diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c index 6ddeae049058..91fdd1fe18b0 100644 --- a/drivers/hwmon/sht15.c +++ b/drivers/hwmon/sht15.c @@ -883,7 +883,7 @@ static int sht15_invalidate_voltage(struct notifier_block *nb, static int __devinit sht15_probe(struct platform_device *pdev) { - int...
39965b376601314ba374b8fa3944f5957d4ff2de
Analyze and fix the following issue in the Linux kernel code: drm/i915: don't trash the gtt when running out of fences
Problem Details: With the fence accounting fixed up in the previous commit not finding enough fences is a fatal error and userspace bug. Trashing the entire gtt is not gonna turn up that missing fence, so don't to this by returning another error thatn ENOSPC. This has the added benefit that it's easier to distinguish ...
```diff diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index c78930ed2e80..721924150d02 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2566,7 +2566,7 @@ i915_gem_object_get_fence(struct drm_i915_gem_object *obj, reg = i915_find_fence_reg(dev, p...
1690e1eb7a9021826853e181baa48dd77090da28
Analyze and fix the following issue in the Linux kernel code: drm/i915: Separate fence pin counting from normal bind pin counting
Problem Details: In order to correctly account for reserving space in the GTT and fences for a batch buffer, we need to independently track whether the fence is pinned due to a fenced GPU access in the batch or whether the buffer is pinned in the aperture. Currently we count the fenced as pinned if the buffer has alrea...
```diff diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 733f5f57babf..12e8cce79289 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -135,6 +135,7 @@ struct drm_i915_fence_reg { struct list_head lru_list; struct drm_i915_gem_object *obj; uin...
c1cd90ed7957d1dd8aa6138468d71003fbc095ce
Analyze and fix the following issue in the Linux kernel code: drm/i915: collect more per ring error state
Problem Details: Based on a patch by Ben Widawsky, but with different colors for the bikeshed. In contrast to Ben's patch this one doesn't add the fault regs. Afaics they're for the optional page fault support which - we're not enabling - and which seems to be unsupported by the hw team. Recent bspec lacks tons of i...
```diff diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 4002846d56a2..5aa256861df0 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -744,17 +744,21 @@ static void i915_ring_error_state(struct seq_file *m, unsigned ring) { ...
a4ea430853b71753103ec693acfc8624bd3e748e
Analyze and fix the following issue in the Linux kernel code: drm/i915: fixup interlaced bits clearing in PIPECONF on PCH_SPLIT
Problem Details: An identical patch has been merged for i9xx_crtc_mode_set: Commit 59df7b1771c150163e522f33c638096ab0efbf42 Author: Christian Schmidt <schmidt@digadd.de> Date: Mon Dec 19 20:03:33 2011 +0100 drm/intel: Fix initialization if startup happens in interlaced mode [v2] But that one neglected to fix u...
```diff diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 19f35eceba40..f1744aada98f 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5912,7 +5912,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, adjusted_mode->...
05e52b4bfba0d1fa4195abbc4ac29c24033c8e96
Analyze and fix the following issue in the Linux kernel code: video: s3c-fb: fix checkpatch error
Problem Details: This patch fixes the checkpatch error listed below: ERROR: trailing statements should be on next line Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
```diff diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c index 7c5158dda0bf..389189a9e775 100644 --- a/drivers/video/s3c-fb.c +++ b/drivers/video/s3c-fb.c @@ -48,7 +48,8 @@ #undef writel #define writel(v, r) do { \ printk(KERN_DEBUG "%s: %08x => %p\n", __func__, (unsigned int)v, r); \ - __raw_writel(v, ...
9f1065032ceb7e86c7c9f16bb86518857e88a172
Analyze and fix the following issue in the Linux kernel code: atmel_lcdfb: fix usage of CONTRAST_CTR in suspend/resume
Problem Details: An error was existing in the saving of CONTRAST_CTR register across suspend/resume. Signed-off-by: Hubert Feurstein <h.feurstein@gmail.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: stable <stable@vger.kernel.org> Sign...
```diff diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index 0d7b20d4285d..e40c00f2c2ba 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -1108,7 +1108,7 @@ static int atmel_lcdfb_suspend(struct platform_device *pdev, pm_message_t mesg) */ lcdc_writel(sinfo, ATME...
f7f5ef0afdcca69fb02ded1763c28eca74e6b54d
Analyze and fix the following issue in the Linux kernel code: drivers/video: compile fixes for fsl-diu-fb.c
Problem Details: Fix a compiler errors introduced in: commit ddd3d905436b572ebadc09dcf2d12ca5b37020a0 Author: Timur Tabi <timur@freescale.com> drivers/video: fsl-diu-fb: merge all allocated data into one block Signed-off-by: Michael Neuling <mikey@neuling.org> Acked-by: Timur Tabi <timur@freescale.com> Signed-of...
```diff diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c index acf292bfba02..6af3f16754f0 100644 --- a/drivers/video/fsl-diu-fb.c +++ b/drivers/video/fsl-diu-fb.c @@ -1432,7 +1432,7 @@ static int fsl_diu_suspend(struct platform_device *ofdev, pm_message_t state) struct fsl_diu_data *data; data...
98d4bf0c49de0d7c68fa7e1f7bd0a37420f712ca
Analyze and fix the following issue in the Linux kernel code: iwlwifi: fix uCode event tracing
Problem Details: Fix multiple bugs in event tracing: 1) If you enable uCode tracing with the device down, it will still attempt to access the device and continuously log "MAC is in deep sleep!" errors. Fix this by only starting logging when the device is actually alive. 2) Now you can set the flag when th...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 7321e7d31406..3e429a3e518d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -315,7 +315,7 @@ static void iwl_bg_statistics_periodic(unsigned long data) static ...
de46fb079ff16fabb3bdf7892c9a2900a9880329
Analyze and fix the following issue in the Linux kernel code: iwlwifi: fix typo
Problem Details: Fix few places of typo Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-testmode.h b/drivers/net/wireless/iwlwifi/iwl-testmode.h index 185b69ef7539..f97d06169b45 100644 --- a/drivers/net/wireless/iwlwifi/iwl-testmode.h +++ b/drivers/net/wireless/iwlwifi/iwl-testmode.h @@ -111,17 +111,17 @@ * * @IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32...
0bd90387ed5a8abbcf43391b480efdc211721cfe
Analyze and fix the following issue in the Linux kernel code: logfs: Propagate page parameter to __logfs_write_inode
Problem Details: During GC LogFS has to rewrite each valid block to a separate segment. Rewrite operation reads data from an old segment and writes it to a newly allocated segment. Since every write operation changes data block pointers maintained in inode, inode should also be rewritten. In GC path to avoid AB-BA dea...
```diff diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c index b7d7f67cee5a..b6404898da83 100644 --- a/fs/logfs/dir.c +++ b/fs/logfs/dir.c @@ -71,7 +71,7 @@ static int write_dir(struct inode *dir, struct logfs_disk_dentry *dd, static int write_inode(struct inode *inode) { - return __logfs_write_inode(inode, WF_LOCK); +...
ecfd890991a26e70547e025673580923a004c5e4
Analyze and fix the following issue in the Linux kernel code: logfs: set superblock shutdown flag after generic sb shutdown
Problem Details: While unmounting the file system LogFS calls generic_shutdown_super. The function does file system independent superblock shutdown. However, it might result in call file system specific inode eviction. LogFS marks FS shutting down by setting bit LOGFS_SB_FLAG_SHUTDOWN in super->s_flags. Since, inode e...
```diff diff --git a/fs/logfs/super.c b/fs/logfs/super.c index e795c234ea33..f9b7a30b00a3 100644 --- a/fs/logfs/super.c +++ b/fs/logfs/super.c @@ -491,9 +491,9 @@ static void logfs_kill_sb(struct super_block *sb) * From this point on alias entries are simply dropped - and any * writes to the object store are cons...
13ced29cb28996a9bc4f68e43ff0c57eafdb1e21
Analyze and fix the following issue in the Linux kernel code: logfs: take write mutex lock during fsync and sync
Problem Details: LogFS uses super->s_write_mutex while writing data to disk. Taking the same mutex lock in sync and fsync code path solves the following BUG: ------------[ cut here ]------------ kernel BUG at /home/prasad/logfs/dev_bdev.c:134! Pid: 2387, comm: flush-253:16 Not tainted 3.0.0+ #4 Bochs Bochs RIP: 0010:...
```diff diff --git a/fs/logfs/file.c b/fs/logfs/file.c index b548c87a86f1..3886cded283c 100644 --- a/fs/logfs/file.c +++ b/fs/logfs/file.c @@ -230,7 +230,9 @@ int logfs_fsync(struct file *file, loff_t start, loff_t end, int datasync) return ret; mutex_lock(&inode->i_mutex); + logfs_get_wblocks(sb, NULL, WF_LOCK)...
96150606e2fb82d242c9e4a414e4e922849f7bf7
Analyze and fix the following issue in the Linux kernel code: logfs: update page reference count for pined pages
Problem Details: LogFS sets PG_private flag to indicate a pined page. We assumed that marking a page as private is enough to ensure its existence. But instead it is necessary to hold a reference count to the page. The change resolves the following BUG BUG: Bad page state in process flush-253:16 pfn:6a6d0 page flags:...
```diff diff --git a/fs/logfs/readwrite.c b/fs/logfs/readwrite.c index 2ac4217b7901..6d663e8ea6da 100644 --- a/fs/logfs/readwrite.c +++ b/fs/logfs/readwrite.c @@ -560,8 +560,13 @@ static void inode_free_block(struct super_block *sb, struct logfs_block *block) static void indirect_free_block(struct super_block *sb, ...
8a8ee9aff6c3077dd9c2c7a77478e8ed362b96c6
Analyze and fix the following issue in the Linux kernel code: net caif: Register properly as a pernet subsystem.
Problem Details: caif is a subsystem and as such it needs to register with register_pernet_subsys instead of register_pernet_device. Among other problems using register_pernet_device was resulting in net_generic being called before the caif_net structure was allocated. Which has been causing net_generic to fail with e...
```diff diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c index 673728add60b..82c57069415f 100644 --- a/net/caif/caif_dev.c +++ b/net/caif/caif_dev.c @@ -59,8 +59,6 @@ struct cfcnfg *get_cfcnfg(struct net *net) { struct caif_net *caifn; caifn = net_generic(net, caif_net_id); - if (!caifn) - return NULL; re...
5ee4433efe99b9f39f6eff5052a177bbcfe72cea
Analyze and fix the following issue in the Linux kernel code: netns: Fail conspicously if someone uses net_generic at an inappropriate time.
Problem Details: By definition net_generic should never be called when it can return NULL. Fail conspicously with a BUG_ON to make it clear when people mess up that a NULL return should never happen. Recently there was a bug in the CAIF subsystem where it was registered with register_pernet_device instead of register...
```diff diff --git a/include/net/netns/generic.h b/include/net/netns/generic.h index 3419bf5cd154..d55f43443335 100644 --- a/include/net/netns/generic.h +++ b/include/net/netns/generic.h @@ -41,6 +41,7 @@ static inline void *net_generic(const struct net *net, int id) ptr = ng->ptr[id - 1]; rcu_read_unlock(); + BU...
07d251460bbf9752c6532af8c1a68328c199dd70
Analyze and fix the following issue in the Linux kernel code: PCI/XEN: Fix bug introduced by a recent change
Problem Details: This patch (as1516) fixes a bug introduced during the removal of put_driver() and get_driver() from drivers/pci/xen-pcifront.c. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c index 6f819988a8da..98387caf59b3 100644 --- a/drivers/pci/xen-pcifront.c +++ b/drivers/pci/xen-pcifront.c @@ -593,7 +593,7 @@ static pci_ers_result_t pcifront_common_process(int cmd, } pdrv = pcidev->driver; - if (pdrv->driver) { + if (p...
a72caae21803b74e04e2afda5e035f149d4ea118
Analyze and fix the following issue in the Linux kernel code: virtio: correct the memory barrier in virtqueue_kick_prepare()
Problem Details: Use virtio_mb() to make sure the available index to be exposed before checking the the avail event. Otherwise we may get stale value of avail event in guest and never kick the host after. Note: this fixes a bug introduced by ee7cd8981e15bcb365fc762afe3fc47b8242f630. Signed-off-by: Jason Wang <jasowan...
```diff diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 78428a863b46..5aa43c3392a2 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -308,9 +308,9 @@ bool virtqueue_kick_prepare(struct virtqueue *_vq) bool needs_kick; START_USE(vq); - /* Descriptors and...
4dbc5d9f4f791df8a5879f4a655f517adc7f56d1
Analyze and fix the following issue in the Linux kernel code: virtio: fix typos of memory barriers
Problem Details: Note: this fixes a bug introduced recently in 7b21e34fd1c272e3a8c3846168f2f6287a4cd72b. Signed-off-by: Jason Wang <jasowang@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
```diff diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 79e1b292c030..78428a863b46 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -35,7 +35,7 @@ #define virtio_rmb(vq) \ do { if ((vq)->weak_barriers) smp_rmb(); else rmb(); } while(0) #define virtio_wmb...
3c424f359898aff48c3d5bed608ac706f8a528c3
Analyze and fix the following issue in the Linux kernel code: ARM: 7304/1: ioremap: fix boundary check when reusing static mapping
Problem Details: Since commit 576d2f2525612ecb5af029a76f21f22a3b82563d "ARM: add generic ioremap optimization by reusing static mappings" ioremap() is trying to reuse existing static mapping when possible. The condition checking boundaries of the requested and existing mappings didn't take in-page offset into consider...
```diff diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index 80632e8d7538..ba159370fa5f 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -225,7 +225,8 @@ void __iomem * __arm_ioremap_pfn_caller(unsigned long pfn, if ((area->flags & VM_ARM_MTYPE_MASK) != VM_ARM_MTYPE(mtype)) continue;...
114395c61ad2eb5a7a5cd163fcadb2414e48245a
Analyze and fix the following issue in the Linux kernel code: ASoC: wm_hubs: fix wrong bits for LINEOUT2 N/P mixer
Problem Details: Signed-off-by: UK KIM <w0806.kim@samsung.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@vger.kernel.org
```diff diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c index 9ccc416d8cbc..ea2672455d07 100644 --- a/sound/soc/codecs/wm_hubs.c +++ b/sound/soc/codecs/wm_hubs.c @@ -592,8 +592,8 @@ SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER2, 0, 1, 0), }; static const struct snd_kcontrol_new line2n_mix...
f1e3be1561c43b6bbe2426e34849fb1486dc313b
Analyze and fix the following issue in the Linux kernel code: mac80211: Do not scan for IBSS merge with a fixed BSSID.
Problem Details: Currently, when we are on an IBSS network with no active station, we would scan for other BSSID, even if fixed_bssid is on, due to a bug in ibss.c, where fixed_channel would be checked instead of fixed_bssid. This would trigger useless scans where scan results would not be used anyway. This patch a...
```diff diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index d38baa41cf6c..93b3c7298be3 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -655,14 +655,15 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata) if (ieee80211_sta_active_ibss(sdata)) return; - if (ifibss->fi...
6269cc83e7c444f3050e0d7e640d079bae17aa68
Analyze and fix the following issue in the Linux kernel code: nfc: NULL vs zero in nci_activate_target()
Problem Details: This is a pointer so it should be NULL instead of zero. Sparse complains about this stuff: net/nfc/nci/core.c:447:37: warning: Using plain integer as NULL pointer Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <li...
```diff diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c index 12d1d4d62672..a47e90c7d9d1 100644 --- a/net/nfc/nci/core.c +++ b/net/nfc/nci/core.c @@ -444,7 +444,7 @@ static int nci_activate_target(struct nfc_dev *nfc_dev, __u32 target_idx, { struct nci_dev *ndev = nfc_get_drvdata(nfc_dev); struct nci_rf_disco...
15f0ebc23b7c68176ee3f9729d4a7f566cc6c311
Analyze and fix the following issue in the Linux kernel code: kernel-doc: fix new warnings in cfg80211.h
Problem Details: Fix new kernel-doc warnings: Warning(include/net/cfg80211.h:1165): No description found for parameter 'channel_type' Warning(include/net/cfg80211.h:2090): No description found for parameter 'probe_resp_offload' Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Cc: Johannes Berg <johannes@sipsolution...
```diff diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 281899167d2d..5bb3ed4f99f5 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1143,6 +1143,7 @@ struct cfg80211_disassoc_request { * @bssid: Fixed BSSID requested, maybe be %NULL, if set do not * search for IBSSs with a dif...
2da8f419e78a0ebccc91c095328278fe668a7932
Analyze and fix the following issue in the Linux kernel code: cfg80211: fix a few -Wshadow warnings
Problem Details: It seems that -Wshadow is no longer default in sparse runs, but let's fix the warnings anyway. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index afeea32e04ad..5cefd74ab47d 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -427,10 +427,9 @@ static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) if (tb[NL80211_KEY_DEFAULT_TYPES]) { struct nlattr ...
8e7c4e4dc6e98a0d3ee4535c6b94a3ad63adad2a
Analyze and fix the following issue in the Linux kernel code: mac80211: fix a few -Wshadow warnings
Problem Details: It seems that -Wshadow is no longer default in sparse runs, but let's fix the warnings anyway. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 751409120769..73d213810a37 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -2180,9 +2180,6 @@ ieee80211_rx_h_mgmt_check(struct ieee80211_rx_data *rx) if (rx->sdata->vif.type == NL80211_IFTYPE_AP && ieee80211_is_beacon(mgmt->frame_control...
4a4b03f4efdcf9f4dd8ce68f305c5fb8ff8e56c4
Analyze and fix the following issue in the Linux kernel code: RDMA/nes: Fix fast memory registration opcode
Problem Details: Fix fast memory registration opcode in local invalidate completion. Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com> Signed-off-by: Donald Wood <Donald.E.Wood@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
```diff diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index ba2eb002fd29..3875365a284b 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -3726,7 +3726,7 @@ static int nes_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_w...
94f622bdac82dd0542741382ea8c9359fd9c163b
Analyze and fix the following issue in the Linux kernel code: RDMA/nes: Fix fast memory registration length
Problem Details: Zero high order word of fast memory registration (FMR) length field. FMR length field is 32 bits, so high word should always be zero. Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com> Signed-off-by: Donald Wood <Donald.E.Wood@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com...
```diff diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 5095bc41c6cc..ba2eb002fd29 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -3427,6 +3427,8 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr, ...
81f99dcc93226c7accfe5c4edad1749b8aebf7db
Analyze and fix the following issue in the Linux kernel code: RDMA/nes: Fix for sending MPA reject frame
Problem Details: Set a reject flag, when sending MPA reject message to inform the peer that the application has rejected the connection. Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com> Signed-off-by: Faisal Latif <Faisal.Latif@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
```diff diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 425065b36b8c..183f7ab120db 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -233,6 +233,7 @@ static int send_mpa_reject(struct nes_cm_node *cm_node) u8 *start_ptr = &start_addr...
e47e321a35c741ee41b67976f8c6a3a7a42bc5c0
Analyze and fix the following issue in the Linux kernel code: RDMA/core: Fix kernel panic by always initializing qp->usecnt
Problem Details: We have just been investigating kernel panics related to cq->ibcq.event_handler() completion calls. The problem is that ib_destroy_qp() fails with -EBUSY. Further investigation revealed qp->usecnt is not initialized. This counter was introduced in linux-3.2 by commit 0e0ec7e0638e ("RDMA/core: Export...
```diff diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index b930da4c0c63..4d27e4c3fe34 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -1485,6 +1485,7 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file, qp->event_handl...
69e8f430e243d657c2053f097efebc2e2cd559f0
Analyze and fix the following issue in the Linux kernel code: xen/granttable: Disable grant v2 for HVM domains.
Problem Details: As proper scaffolding for supporting error status is not yet implemented. BUG: unable to handle kernel NULL pointer dereference at 0000000000000400 IP: [<ffffffff81375ae9>] gnttab_end_foreign_access_ref_v2+0x29/0x40 PGD 32aa3067 PUD 32a87067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU 0 Modules linked in: s...
```diff diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c index 1cd94daa71db..b4d4eac761db 100644 --- a/drivers/xen/grant-table.c +++ b/drivers/xen/grant-table.c @@ -948,9 +948,12 @@ static void gnttab_request_version(void) int rc; struct gnttab_set_version gsv; - gsv.version = 2; + if (xen_hvm_d...
9998eb703490589c3e8f1bf09b15203156776edb
Analyze and fix the following issue in the Linux kernel code: Btrfs: fix reservations in btrfs_page_mkwrite
Problem Details: Josef fixed btrfs_page_mkwrite to properly release reserved extents if there was an error. But if we fail to get a reservation and we fail to dirty the inode (for ENOSPC reasons), we'll end up trying to release a reservation we never had. This makes sure we only release if we were able to reserve. S...
```diff diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 5977987abdb1..7405753ec5d7 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -6401,18 +6401,23 @@ int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) unsigned long zero_start; loff_t size; int ret; + int reserved = 0; u64 ...
2d8357e66df9f7593cbe23b224b4ed06aff90e73
Analyze and fix the following issue in the Linux kernel code: gma500: Fix suspend/resume functions
Problem Details: Both the suspend and resume functions incorrectly set psbfb = to_psb_fb(NULL) outside of the loop over all of the framebuffers. Fix this by moving the assignment of psbfb inside the loop and removing the initialisation of fb. Signed-off-by: Ryan Mallon <rmallon@gmail.com> Acked-by: Alan Cox <alan@linu...
```diff diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c index 791c0ef1a65b..830dfdd6bf15 100644 --- a/drivers/gpu/drm/gma500/framebuffer.c +++ b/drivers/gpu/drm/gma500/framebuffer.c @@ -113,12 +113,12 @@ static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info) ...
cb297a3e433dbdcf7ad81e0564e7b804c941ff0d
Analyze and fix the following issue in the Linux kernel code: sched/rt: Fix task stack corruption under __ARCH_WANT_INTERRUPTS_ON_CTXSW
Problem Details: This issue happens under the following conditions: 1. preemption is off 2. __ARCH_WANT_INTERRUPTS_ON_CTXSW is defined 3. RT scheduling class 4. SMP system Sequence is as follows: 1.suppose current task is A. start schedule() 2.task A is enqueued pushable task at the entry of schedule() __sc...
```diff diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 3640ebbb466b..f42ae7fb5ec5 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -1587,6 +1587,11 @@ static int push_rt_task(struct rq *rq) if (!next_task) return 0; +#ifdef __ARCH_WANT_INTERRUPTS_ON_CTXSW + if (unlikely(task_running(rq, ...
e050e3f0a71bf7dc2c148b35caff0234decc8198
Analyze and fix the following issue in the Linux kernel code: perf: Fix broken interrupt rate throttling
Problem Details: This patch fixes the sampling interrupt throttling mechanism. It was broken in v3.2. Events were not being unthrottled. The unthrottling mechanism required that events be checked at each timer tick. This patch solves this problem and also separates: - unthrottling - multiplexing - frequency-mo...
```diff diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 08855613ceb3..abb2776be1ba 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -587,6 +587,7 @@ struct hw_perf_event { u64 sample_period; u64 last_period; local64_t period_left; + u64 ...
b5740f4b2cb3503b436925eb2242bc3d75cd3dfe
Analyze and fix the following issue in the Linux kernel code: sched: Fix ancient race in do_exit()
Problem Details: try_to_wake_up() has a problem which may change status from TASK_DEAD to TASK_RUNNING in race condition with SMI or guest environment of virtual machine. As a result, exited task is scheduled() again and panic occurs. Here is the sequence how it occurs: ----------------------------------+-----------...
```diff diff --git a/kernel/exit.c b/kernel/exit.c index 294b1709170d..4b4042f9bc6a 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -1038,6 +1038,22 @@ void do_exit(long code) if (tsk->nr_dirtied) __this_cpu_add(dirty_throttle_leaks, tsk->nr_dirtied); exit_rcu(); + + /* + * The setting of TASK_RUNNING by try_...
ecbef17adbbbe89eb6b3e4d4e5b756d63041319c
Analyze and fix the following issue in the Linux kernel code: sh: cpufreq: struct device lookup from CPU topology.
Problem Details: The struct device pointer associated with the CPU we're on can be fetched via the topology information. Tie this in to localize the CPU clock lookup. While we're at it, tidy up some of the debug/info printing notices too. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
```diff diff --git a/arch/sh/kernel/cpufreq.c b/arch/sh/kernel/cpufreq.c index 8203865e16b7..66dbb74546c3 100644 --- a/arch/sh/kernel/cpufreq.c +++ b/arch/sh/kernel/cpufreq.c @@ -14,6 +14,8 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. */ +#define pr_fmt(fmt) "cpu...
e24abd6ec6c2dabccb825dc41d1725bc496b3a54
Analyze and fix the following issue in the Linux kernel code: regulator: Add empty devm_regulator_bulk_get for !CONFIG_REGULATOR
Problem Details: This fixes below build error if CONFIG_REGULATOR is disabled. CC sound/soc/codecs/wm5100.o sound/soc/codecs/wm5100.c: In function ‘wm5100_i2c_probe’: sound/soc/codecs/wm5100.c:2462: error: implicit declaration of function ‘devm_regulator_bulk_get’ make[3]: *** [sound/soc/codecs/wm5100.o] Error ...
```diff diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 35c42834ba3d..cef8f04efc34 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -249,6 +249,12 @@ static inline int regulator_bulk_get(struct device *dev, return 0; } +static in...
b1785dfd4fcd4011834f914810c1acb46b007a44
Analyze and fix the following issue in the Linux kernel code: watchdog: Fix typo "unexpectdly"
Problem Details: Correct typo "unexpectdly" to "unexpectedly" in pnx4008_wdt.c and stmp3xxx_wdt.c Signed-off-by: Masanari Iida<standby24x7@gmail.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
```diff diff --git a/drivers/watchdog/pnx4008_wdt.c b/drivers/watchdog/pnx4008_wdt.c index bd143c9dd3e6..8e210aafdfd0 100644 --- a/drivers/watchdog/pnx4008_wdt.c +++ b/drivers/watchdog/pnx4008_wdt.c @@ -226,7 +226,7 @@ static long pnx4008_wdt_ioctl(struct file *file, unsigned int cmd, static int pnx4008_wdt_release(st...
8a062ac693d5597b3c5d0e347ce7d1d82b967698
Analyze and fix the following issue in the Linux kernel code: watchdog: wafer5823wdt: Fix handling WDIOS_DISABLECARD/WDIOS_ENABLECARD options
Problem Details: While receiving WDIOS_DISABLECARD option for WDIOC_SETOPTIONS command, call wafwdt_stop() to disable watchdog. Call wafwdt_start() while receiving WDIOS_ENABLECARD option. Current code has reverse behavior. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
```diff diff --git a/drivers/watchdog/wafer5823wdt.c b/drivers/watchdog/wafer5823wdt.c index 42e940c23891..c3c3188c34d7 100644 --- a/drivers/watchdog/wafer5823wdt.c +++ b/drivers/watchdog/wafer5823wdt.c @@ -152,12 +152,12 @@ static long wafwdt_ioctl(struct file *file, unsigned int cmd, return -EFAULT; if (opti...
ebe06e826faed9d710c3d49fe336c74b5f3a5f2a
Analyze and fix the following issue in the Linux kernel code: watchdog: wm8350_wdt: Fix handling WDIOS_DISABLECARD/WDIOS_ENABLECARD options
Problem Details: While receiving WDIOS_DISABLECARD option for WDIOC_SETOPTIONS command, call wm8350_wdt_stop() to disable watchdog. Call wm8350_wdt_start() while receiving WDIOS_ENABLECARD option. Current code has reverse behavior. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Mark Brown <broonie@opensource....
```diff diff --git a/drivers/watchdog/wm8350_wdt.c b/drivers/watchdog/wm8350_wdt.c index 909c78650d3e..5d7113c7e501 100644 --- a/drivers/watchdog/wm8350_wdt.c +++ b/drivers/watchdog/wm8350_wdt.c @@ -212,10 +212,10 @@ static long wm8350_wdt_ioctl(struct file *file, unsigned int cmd, /* Setting both simultaneously m...
12c583d8dca3320f36afe51e514dfa709ac0662e
Analyze and fix the following issue in the Linux kernel code: watchdog: omap_wdt.c: Fix the mismatch of pm_runtime enable and disable
Problem Details: Currently the watchdog driver calls the pm_runtime_enable and never the disable. This may cause a warning when pm_runtime_enable checks for the count match. Also fixes the error /build/watchdog # insmod omap_wdt.ko [ 44.999389] omap_wdt omap_wdt: Unbalanced pm_runtime_enable! [ 45.011047] OMAP Wa...
```diff diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index 4b33e3fd726b..d19ff5145e82 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c @@ -339,6 +339,7 @@ static int __devinit omap_wdt_probe(struct platform_device *pdev) return 0; err_misc: + pm_runtime_disable(w...
3bccf467727c82421e5f7b630c9bb864ebe8d2e6
Analyze and fix the following issue in the Linux kernel code: sh: cpufreq: percpu struct clk accounting.
Problem Details: At the moment there is simply a global struct clk pointer for the CPU frequency, which is fundamentally broken in the SMP case. This moves to fix it up by switching to a percpu case. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
```diff diff --git a/arch/sh/kernel/cpufreq.c b/arch/sh/kernel/cpufreq.c index 0fffacea6ed9..8203865e16b7 100644 --- a/arch/sh/kernel/cpufreq.c +++ b/arch/sh/kernel/cpufreq.c @@ -3,7 +3,7 @@ * * cpufreq driver for the SuperH processors. * - * Copyright (C) 2002 - 2007 Paul Mundt + * Copyright (C) 2002 - 2012 Paul...
04511a6faeed146030dcc5b892beff30fa0a7c9b
Analyze and fix the following issue in the Linux kernel code: ARM: SAMSUNG: Fix missing api-change from subsys_interface change
Problem Details: Commit 4a858cfc9a (arm: convert sysdev_class to a regular subsystem) converted the samsung sysdevs into subsys_interface instances. While the original add-function only had a (struct sys_device *) parameter, the dev_add from subsys_interface needs (struct device *, struct subsys_interface *) leading ...
```diff diff --git a/arch/arm/mach-s3c2410/cpu-freq.c b/arch/arm/mach-s3c2410/cpu-freq.c index 7dc6c46b5e2b..5404535da1a5 100644 --- a/arch/arm/mach-s3c2410/cpu-freq.c +++ b/arch/arm/mach-s3c2410/cpu-freq.c @@ -115,7 +115,8 @@ static struct s3c_cpufreq_info s3c2410_cpufreq_info = { .debug_io_show = s3c_cpufreq_debugf...
9a60571ecf918162553592ef8c4b4450155394a0
Analyze and fix the following issue in the Linux kernel code: ARM: EXYNOS: Fix "warning: initialization from incompatible pointer type"
Problem Details: Fix the wrong function prototype. Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
```diff diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c index 2521b23553eb..e19013051772 100644 --- a/arch/arm/mach-exynos/pm.c +++ b/arch/arm/mach-exynos/pm.c @@ -206,7 +206,7 @@ static void exynos4_pm_prepare(void) } -static int exynos4_pm_add(struct device *dev) +static int exynos4_pm_add(str...
706212f3321a542db6847116563a46a96ef31816
Analyze and fix the following issue in the Linux kernel code: ARM: S5PV210: Fix the name of exynos4_clk_hdmiphy_ctrl() for S5PV210
Problem Details: Should be s5pv210_clk_hdmiphy_ctrl() in mach-s5pv210/. Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
```diff diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c index c78dfddd77fd..b9ec0c35379f 100644 --- a/arch/arm/mach-s5pv210/clock.c +++ b/arch/arm/mach-s5pv210/clock.c @@ -175,7 +175,7 @@ static int s5pv210_clk_mask1_ctrl(struct clk *clk, int enable) return s5p_gatectrl(S5P_CLK_SRC_MASK1, c...
a1ad803322a904a250fa901020b4a4dfaf51a829
Analyze and fix the following issue in the Linux kernel code: sh: se7724: fix compile breakage
Problem Details: Fix compilation breakage arch/sh/boards/mach-se/7724/setup.c:182: error: 'V4L2_PIX_FMT_RGB565' undeclared here (not in a function) make[3]: *** [arch/sh/boards/mach-se/7724/setup.o] Error 1 caused by commit "fbdev: sh_mobile_lcdc: Support FOURCC-based format API" Also add other missing headers, even ...
```diff diff --git a/arch/sh/boards/mach-ap325rxa/setup.c b/arch/sh/boards/mach-ap325rxa/setup.c index 6418e95c2b6b..ebd0f818a25f 100644 --- a/arch/sh/boards/mach-ap325rxa/setup.c +++ b/arch/sh/boards/mach-ap325rxa/setup.c @@ -22,6 +22,7 @@ #include <linux/i2c.h> #include <linux/smsc911x.h> #include <linux/gpio.h> +...
693cec9755e5198e0c291a4bfea6ebb1c7054550
Analyze and fix the following issue in the Linux kernel code: ARM: SAMSUNG: Fix platform data setup for I2C adapter 0
Problem Details: The common static default_i2c_data structure gets bus_num set by each s3c_i2c?_set_platdata() call, except for s3c_i2c0_set_platdata(). Thus if for instance s3c_i2c1_set_platdata() is called prior to s3c_i2c0_set_platdata() the I2C0 controller has bus_num set to wrong value of 1, i.e. the one from prev...
```diff diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c index 32a6e394db24..f10768e988d4 100644 --- a/arch/arm/plat-samsung/devs.c +++ b/arch/arm/plat-samsung/devs.c @@ -468,8 +468,10 @@ void __init s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *pd) { struct s3c2410_platform_i2c *npd; ...
556ef3e474dd87d627655dafdf1e7eaf4747e388
Analyze and fix the following issue in the Linux kernel code: ARM: EXYNOS: fix non-SMP builds for EXYNOS4
Problem Details: This patch fixes the following build issue, which happens only if SMP has been disabled: arch/arm/mach-exynos/built-in.o: In function `exynos4_pm_resume': arch/arm/mach-exynos/pm.c:387: undefined reference to `scu_enable' Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Kyung...
```diff diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c index a4f61a43c7ba..2521b23553eb 100644 --- a/arch/arm/mach-exynos/pm.c +++ b/arch/arm/mach-exynos/pm.c @@ -384,7 +384,9 @@ static void exynos4_pm_resume(void) exynos4_restore_pll(); +#ifdef CONFIG_SMP scu_enable(S5P_VA_SCU); +#endif ...
41c7f7424259ff11009449f87c95656f69f9b186
Analyze and fix the following issue in the Linux kernel code: rtc: Disable the alarm in the hardware (v2)
Problem Details: Currently, the RTC code does not disable the alarm in the hardware. This means that after a sequence such as the one below (the files are in the RTC sysfs), the box will boot up after 2 minutes even though we've asked for the alarm to be turned off. # echo $((`cat since_epoch`)+120) > wakealarm # e...
```diff diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 167e68a9ffda..dc87eda65814 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -776,6 +776,14 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer) return 0; } +static void rtc_alarm_disable(st...
bd729d72b428261f2975360e0c117d7d7a2cd6e8
Analyze and fix the following issue in the Linux kernel code: rtc: Avoid setting alarm to a time in the past
Problem Details: In some cases at boot up, the RTC alarm may be set in the past, but still have the enabled flag on. This was causing problems, because we would then enqueue the alarm into the timerqueue, but it would never fire. This would clog up the timerqueue and keep other alarms from working. The fix is to check...
```diff diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 8a1c031391d6..c55a16041b6e 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -380,18 +380,27 @@ EXPORT_SYMBOL_GPL(rtc_set_alarm); int rtc_initialize_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) { int err; + s...
434f1392ae3a3934a33d2d16987d857c97951c3d
Analyze and fix the following issue in the Linux kernel code: e1000e: concatenate long debug strings which span multiple lines
Problem Details: To ease searching for debug message strings, concatenate strings that span multiple lines even if the resulting line exceeds 80 columns; these will not cause checkpatch warnings. Also, add '\n' and remove unnecessary '\r' from a few debug strings. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> ...
```diff diff --git a/drivers/net/ethernet/intel/e1000e/80003es2lan.c b/drivers/net/ethernet/intel/e1000e/80003es2lan.c index b3a235c8ed85..f323ce507f58 100644 --- a/drivers/net/ethernet/intel/e1000e/80003es2lan.c +++ b/drivers/net/ethernet/intel/e1000e/80003es2lan.c @@ -667,8 +667,7 @@ static s32 e1000_phy_force_speed_...
2363dc636df34abb795c31668eeadc659e815fbd
Analyze and fix the following issue in the Linux kernel code: drm/exynos: fix build dependency for DRM_EXYNOS_HDMI
Problem Details: DRM_EXYNOS_HDMI driver and VIDEO_SAMSUNG_S5P_TV driver should be not enabled at once because they use same HW blocks. So dependency for DRM_EXYNOS_HDMI is fixed to check VIDEO_SAMSUNG_S5P_TV=n. Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-...
```diff diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index f9aaa56eae07..4ab915e88936 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -21,7 +21,7 @@ config DRM_EXYNOS_FIMD config DRM_EXYNOS_HDMI tristate "Exynos DRM HDMI" - depends on DRM_EXYNOS +...
78ff123b05fb15beb1ad670372eea0d299d0b8af
Analyze and fix the following issue in the Linux kernel code: x86: autoload microcode driver on Intel and AMD systems v2
Problem Details: Don't try to describe the actual models for now. v2: Fix typo: X86_VENDOR_ANY -> X86_FAMILY_ANY (trenn) Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Thomas Renninger <trenn@suse.de> Acked-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c index fda91c307104..87a0f8688301 100644 --- a/arch/x86/kernel/microcode_core.c +++ b/arch/x86/kernel/microcode_core.c @@ -86,6 +86,7 @@ #include <asm/microcode.h> #include <asm/processor.h> +#include <asm/cpu_device_id.h> MO...
d82e5190da9057e31d6f0fe5771dfbe55ff9125f
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP: fix MMC2 loopback clock handling
Problem Details: Currently MMC2 setup code can only enable loopback clock and relies on reset value for boards that need to have it disabled. This causes a problem with certain bootloaders that always enable that clock, resulting with unwanted bootloader dependencies. Fix this by making it disable the clock if board d...
```diff diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c index 8658bd77763c..ad0adb5a1e0e 100644 --- a/arch/arm/mach-omap2/hsmmc.c +++ b/arch/arm/mach-omap2/hsmmc.c @@ -175,11 +175,12 @@ static void hsmmc2_select_input_clk_src(struct omap_mmc_platform_data *mmc) { u32 reg; - if (mmc->slots[0]...
f9c762500ae77ab8940094be1325c8a2a1c8e5f5
Analyze and fix the following issue in the Linux kernel code: sfc: Make all MAC statistics consistently 64 bits wide
Problem Details: Currently we use type u64 for byte counts, which can very quickly exceed 2^32, and unsigned long for packet counts, which do not. But it can still take only 20-something minutes to send or receive 2^32 packets, and not all tools properly handle overflow even if they sample more often than this. The M...
```diff diff --git a/drivers/net/ethernet/sfc/ethtool.c b/drivers/net/ethernet/sfc/ethtool.c index ba9011678013..f887f65e4189 100644 --- a/drivers/net/ethernet/sfc/ethtool.c +++ b/drivers/net/ethernet/sfc/ethtool.c @@ -52,11 +52,6 @@ static u64 efx_get_uint_stat(void *field) return *(unsigned int *)field; } -stati...
2aa9ef11e70c47ed26f831798f02ad3794e5ad41
Analyze and fix the following issue in the Linux kernel code: sfc: Minor formatting fixes
Problem Details: Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
```diff diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index c8e1c8a93edc..8ecddd056679 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -798,16 +798,14 @@ void efx_link_status_changed(struct efx_nic *efx) } /* Status message for kernel log */ - if ...
5f3f9d6c441faa323444b2f6b092d630fcd7d04c
Analyze and fix the following issue in the Linux kernel code: sfc: Consistently test DEBUG macro, not EFX_ENABLE_DEBUG
Problem Details: The netif_dbg() macro is defined in <linux/netdevice.h>. If the DEBUG macro is defined, it logs a message at 'debug' level, otherwise it does nothing. In net_driver.h we define DEBUG if EFX_ENABLE_DEBUG is defined, but this is too late for those source files that already got a definition of netif_dbg...
```diff diff --git a/drivers/net/ethernet/sfc/mtd.c b/drivers/net/ethernet/sfc/mtd.c index 7f61cd3812d9..b702862a0924 100644 --- a/drivers/net/ethernet/sfc/mtd.c +++ b/drivers/net/ethernet/sfc/mtd.c @@ -10,6 +10,7 @@ #include <linux/bitops.h> #include <linux/module.h> +#undef DEBUG /* <linux/mtd/mtd.h> has its own ...
3f713bf4dd9f7ef2a2c5e9ec124b3d992a2669db
Analyze and fix the following issue in the Linux kernel code: sfc: Make handling of MC reboot more reliable
Problem Details: When the MC reboots, either as part of a firmware upgrade or due to a bug, it attempts to complete (with an error) any requests that were outstanding before the reboot. Since there is an inherent race condition in checking this, it will also write to a status word in shared memory. If we look at each...
```diff diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c index 7c405d16692e..f16145d92817 100644 --- a/drivers/net/ethernet/sfc/mcdi.c +++ b/drivers/net/ethernet/sfc/mcdi.c @@ -27,8 +27,6 @@ #define CMD_NOTIFY_PORT1 4 #define CMD_PDU_PORT0 0x008 #define CMD_PDU_PORT1 0x108 -#defin...
ffa1e4ede453cf92cfcd9f96f9140c21aeb319f7
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP: fix erroneous mmc2 clock change on mmc3 setup
Problem Details: hsmmc23_before_set_reg() can set MMCSDIO2ADPCLKISEL bit, which enables internal clock for MMC2. Currently this function is also called by code handling MMC3, and if .internal_clock is set in platform data (by default it currently is), it will set MMCSDIO2ADPCLKISEL for MMC2 instead of MMC3 (MMC3 doesn'...
```diff diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c index bd844af13af5..8658bd77763c 100644 --- a/arch/arm/mach-omap2/hsmmc.c +++ b/arch/arm/mach-omap2/hsmmc.c @@ -182,7 +182,7 @@ static void hsmmc2_select_input_clk_src(struct omap_mmc_platform_data *mmc) } } -static void hsmmc23_before_...
8ef5d844cc3a644ea6f7665932a4307e9fad01fa
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP2+: GPMC: fix device size setup
Problem Details: following statement can only change device size from 8-bit(0) to 16-bit(1), but not vice versa: regval |= GPMC_CONFIG1_DEVICESIZE(wval); so as this field has 1 reserved bit, that could be used in future, just clear both bits and then OR with the desired value Signed-off-by: Yegor Yefremov <yegorslis...
```diff diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 130034bf01d5..dfffbbf4c009 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -528,7 +528,13 @@ int gpmc_cs_configure(int cs, int cmd, int wval) case GPMC_CONFIG_DEV_SIZE: regval = gpmc_cs_read_reg(cs, GP...
dbc3982ae286e934e71f0b44e78d14844a9ca83b
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP2+: timer: Fix crash due to wrong arg to __omap_dm_timer_read_counter
Problem Details: Commit 2f0778af (ARM: 7205/2: sched_clock: allow sched_clock to be selected at runtime) had a typo for the case when CONFIG_OMAP_32K_TIMER is not set. In dmtimer_read_sched_clock(), wrong argument was getting passed to __omap_dm_timer_read_counter() function call; instead of "&clksrc", we were passing...
```diff diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index 6eeff0e0ae01..5c9acea95761 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -270,7 +270,7 @@ static struct clocksource clocksource_gpt = { static u32 notrace dmtimer_read_sched_clock(void) { if (clksrc....
9018e93948c6f8f95fbcc9fa05f6c403d6adb406
Analyze and fix the following issue in the Linux kernel code: net: explicitly add jump_label.h header to sock.h
Problem Details: Commit 36a1211970193ce215de50ed1e4e1272bc814df1 removed linux/module.h include statement from one of the headers that end up in net/sock.h. It was providing us with static_branch() definition implicitly, so after its removal the build got broken. To fix this, and avoid having this happening in the fut...
```diff diff --git a/include/net/sock.h b/include/net/sock.h index 4c69ac165e6b..91c1c8baf020 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -55,6 +55,7 @@ #include <linux/uaccess.h> #include <linux/memcontrol.h> #include <linux/res_counter.h> +#include <linux/jump_label.h> #include <linux/filter.h> ...
d1bb399ad03c11e792f6dea198d3b1e23061f094
Analyze and fix the following issue in the Linux kernel code: firewire: ohci: add reset packet quirk for SB Audigy
Problem Details: The Audigy's SB1394 controller is actually from Texas Instruments and has the same bus reset packet generation bug, so it needs the same quirk entry. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Cc: 2.6.36+ <stable@vger.kernel.org> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
```diff diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 6628feaa7622..21250eca28d1 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -263,6 +263,7 @@ static inline struct fw_ohci *fw_ohci(struct fw_card *card) static char ohci_driver_name[] = KBUILD_MODNAME; #define PCI_DEVI...
f2b3ee9e4200b32d113b1bd3c93f9a836c97357c
Analyze and fix the following issue in the Linux kernel code: ipv6: Fix ip_gre lockless xmits.
Problem Details: Tunnel devices set NETIF_F_LLTX to bypass HARD_TX_LOCK. Sit and ipip set this unconditionally in ops->setup, but gre enables it conditionally after parameter passing in ops->newlink. This is not called during tunnel setup as below, however, so GRE tunnels are still taking the lock. modprobe ip_gre ip...
```diff diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 2b53a1f7abf6..6b3ca5ba4450 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -422,6 +422,10 @@ static struct ip_tunnel *ipgre_tunnel_locate(struct net *net, if (register_netdevice(dev) < 0) goto failed_free; + /* Can use a lockless transmit...
b0f4c4b32c8e3aa0d44fc4dd6c40a9a9a8d66b63
Analyze and fix the following issue in the Linux kernel code: bugs, x86: Fix printk levels for panic, softlockups and stack dumps
Problem Details: rsyslog will display KERN_EMERG messages on a connected terminal. However, these messages are useless/undecipherable for a general user. For example, after a softlockup we get: Message from syslogd@intel-s3e37-04 at Jan 25 14:18:06 ... kernel:Stack: Message from syslogd@intel-s3e37-04 at Jan 25 ...
```diff diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c index 1aae78f775fc..4025fe4f928f 100644 --- a/arch/x86/kernel/dumpstack.c +++ b/arch/x86/kernel/dumpstack.c @@ -252,7 +252,8 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err) unsigned short ss; unsigned long sp; #e...
2ab560911a427fdc73bfd3a7d2944d8ee0ca6db8
Analyze and fix the following issue in the Linux kernel code: x86-64: Fix memcpy() to support sizes of 4Gb and above
Problem Details: While currently there doesn't appear to be any reachable in-tree case where such large memory blocks may be passed to memcpy(), we already had hit the problem in our Xen kernels. Just like done recently for mmeset(), rather than working around it, prevent others from falling into the same trap by fixin...
```diff diff --git a/arch/x86/lib/memcpy_64.S b/arch/x86/lib/memcpy_64.S index efbf2a0ecdea..1235b04a9a60 100644 --- a/arch/x86/lib/memcpy_64.S +++ b/arch/x86/lib/memcpy_64.S @@ -27,9 +27,8 @@ .section .altinstr_replacement, "ax", @progbits .Lmemcpy_c: movq %rdi, %rax - - movl %edx, %ecx - shrl $3, %ecx + movq %rd...
9e622d6bea0202e9fe267955362c01918562c09b
Analyze and fix the following issue in the Linux kernel code: Btrfs: fix enospc error caused by wrong checks of the chunk
Problem Details: When we did sysbench test for inline files, enospc error happened easily though there was lots of free disk space which could be allocated for new chunks. Reproduce steps: # mkfs.btrfs -b $((2 * 1024 * 1024 * 1024)) <test partition> # mount <test partition> /mnt # ulimit -n 102400 # cd /mnt # sys...
```diff diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 700879ed64cf..283af7a676a3 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -34,23 +34,24 @@ #include "locking.h" #include "free-space-cache.h" -/* control flags for do_chunk_alloc's force field +/* + * control flags for d...
7ec31b548a17f773ab6289e795ed3a6820e8b56e
Analyze and fix the following issue in the Linux kernel code: Btrfs: do not defrag a file partially
Problem Details: xfstests 218 complains that btrfs defrags a file partially: After: 1 Write backwards sync, but contiguous - should defrag to 1 extent Before: 10 -After: 1 +After: 2 To fix this, we need to set max_to_defrag count properly. Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com> Signed-off-by: Chris Mason...
```diff diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 6834be4c8709..0b06a5ca8afc 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1066,7 +1066,7 @@ int btrfs_defrag_file(struct inode *inode, struct file *file, i = range->start >> PAGE_CACHE_SHIFT; } if (!max_to_defrag) - max_to_defrag = last_in...
0b485143d835c019cddc45f46e4b3873dcc9aa4e
Analyze and fix the following issue in the Linux kernel code: Btrfs: fix warning for 32-bit build of fs/btrfs/check-integrity.c
Problem Details: There have been 4 warnings on 32-bit build, they are herewith fixed. Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de> Signed-off-by: Chris Mason <chris.mason@oracle.com>
```diff diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index ad0b3ba735b7..b669a7d8e499 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -1662,7 +1662,7 @@ static void btrfsic_process_written_block(struct btrfsic_dev_state *dev_state, block = btrfsic_block_hashtable_lo...
8bedd51b6121c4607784d75f852828d25d119c52
Analyze and fix the following issue in the Linux kernel code: Btrfs: Check for NULL page in extent_range_uptodate
Problem Details: A user has encountered a NULL pointer kernel oops in btrfs when encountering media errors. The problem has been identified as an unhandled NULL pointer returned from find_get_page(). This modification simply checks for a NULL page, and returns with an error if found (the extent_range_uptodate() functi...
```diff diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 9d09a4f81875..fcf77e1ded40 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -3909,6 +3909,8 @@ int extent_range_uptodate(struct extent_io_tree *tree, while (start <= end) { index = start >> PAGE_CACHE_SHIFT; page = find_get_pa...
6dd70ce4eb7429c2ba6dd9fa46f78a0a2a254038
Analyze and fix the following issue in the Linux kernel code: btrfs: Fix busyloops in transaction waiting code
Problem Details: wait_log_commit() and wait_for_writer() were using slightly different conditions for deciding whether they should call schedule() and whether they should continue in the wait loop. Thus it could happen that we busylooped when the first condition was not true while the second one was. That is burning CP...
```diff diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index cb877e0886a7..966cc74f5d6c 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -1957,7 +1957,8 @@ static int wait_log_commit(struct btrfs_trans_handle *trans, finish_wait(&root->log_commit_wait[index], &wait); mutex_lock(&root->log_m...
357b9784b79924a31ccded5d9a0c688f48cc28f2
Analyze and fix the following issue in the Linux kernel code: Btrfs: make sure a bitmap has enough bytes
Problem Details: We have only been checking for min_bytes available in bitmap entries, but we won't successfully setup a bitmap cluster unless it has at least bytes in the bitmap, so in the common case min_bytes is 4k and we want something like 2MB, so if there are a bunch of bitmap entries with less than 2mb's in them...
```diff diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index efe20032e4a1..6e7406932341 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -2475,7 +2475,7 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group, } list_for_each_entry(entry, bitmaps, l...
b1375d64c539c5b76794be759b62d3f178e67c32
Analyze and fix the following issue in the Linux kernel code: Btrfs: fix uninit warning in backref.c
Problem Details: Added initialization with the declaration of ret. It isn't set later on the switch-default branch (which should never be taken). Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net> Signed-off-by: Chris Mason <chris.mason@oracle.com>
```diff diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index b9a843226de8..633c701a287d 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -297,7 +297,7 @@ static int __add_delayed_refs(struct btrfs_delayed_ref_head *head, u64 seq, struct btrfs_delayed_extent_op *extent_op = head->extent_op; struct r...
a0701f04846eee9976e6b3eafca09f2a9d2744ef
Analyze and fix the following issue in the Linux kernel code: uwb & wusb: fix kconfig error
Problem Details: Fix UWB/WUSB kconfig error by changing 'select' to 'depends on'. drivers/usb/wusbcore/Kconfig:4:error: recursive dependency detected! drivers/usb/wusbcore/Kconfig:4: symbol USB_WUSB is selected by USB_HWA_HCD drivers/usb/host/Kconfig:559: symbol USB_HWA_HCD depends on UWB drivers/uwb/Kconfig:5: symbol...
```diff diff --git a/drivers/usb/wusbcore/Kconfig b/drivers/usb/wusbcore/Kconfig index 0ead8826ec79..f29fdd7f6d75 100644 --- a/drivers/usb/wusbcore/Kconfig +++ b/drivers/usb/wusbcore/Kconfig @@ -6,7 +6,7 @@ config USB_WUSB depends on EXPERIMENTAL depends on USB depends on PCI - select UWB + depends on UWB ...
b3ef051db763b640d1ff724b616ffba940896b44
Analyze and fix the following issue in the Linux kernel code: USB: Realtek cr: fix autopm scheduling while atomic
Problem Details: Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=784345 Reported-by: Francis Moreau <francis.moro@gmail.com> Reported-and-tested-by: Christian D <chrisudeussen@gmail.com> Reported-and-tested-by: Jimmy Dorff <jdorff@phy.duke.edu> Reported-and-tested-by: collura@ieee.org Cc: stable@vger.kernel.org ...
```diff diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c index 1f62723ef1a8..d32f72061c09 100644 --- a/drivers/usb/storage/realtek_cr.c +++ b/drivers/usb/storage/realtek_cr.c @@ -789,7 +789,7 @@ static void rts51x_suspend_timer_fn(unsigned long data) rts51x_set_stat(chip, RTS51X_STAT...
95c6c6165eaf5a031bcf31606e081c72e4acdeb8
Analyze and fix the following issue in the Linux kernel code: bnx2x: Recovery flow bug fixes
Problem Details: 1. Sample mcp pulse and mcp sequence in nic load instead of in init_one as they may change by the time we want to use them. 2. Allow cnic to access device during nic load (by adding a new "LOADING" state to recovery flow). This prevents the unnecessary cnic timeout which resulted by cnic attempting to...
```diff diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index 8c73d34b2ff1..06bbef742fa3 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -1088,7 +1088,8 @@ enum bnx2x_recovery_state { BNX2X_RECOVERY_DO...
89db4ad830fbdde9c2d990b88bbac8245718177d
Analyze and fix the following issue in the Linux kernel code: bnx2x: Function Level Reset Final Cleanup
Problem Details: 1. Fix bug where return value is ignored 2. Improve printouts 3. Fix typos Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 115d77a8bebb..9a1c4501f0ec 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -1017,8 +1017,8 @@ void bnx2x_panic_dump(struc...
71325960d16cd68ea0e22a8da15b2495b0f363f7
Analyze and fix the following issue in the Linux kernel code: sched/nohz: Fix nohz cpu idle load balancing state with cpu hotplug
Problem Details: With the recent nohz scheduler changes, rq's nohz flag 'NOHZ_TICK_STOPPED' and its associated state doesn't get cleared immediately after the cpu exits idle. This gets cleared as part of the next tick seen on that cpu. For the cpu offline support, we need to clear this state manually. Fix it by regist...
```diff diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 84adb2d66cbd..7c6414fc669d 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4866,6 +4866,15 @@ static void nohz_balancer_kick(int cpu) return; } +static inline void clear_nohz_tick_stopped(int cpu) +{ + if (unlikely(test_bit(NOHZ_TI...
db7e527da41560f597ccdc4417cefa6b7657c0c0
Analyze and fix the following issue in the Linux kernel code: sched/s390: Fix compile error in sched/core.c
Problem Details: Commit 029632fbb7b7c9d85063cc9eb470de6c54873df3 ("sched: Make separate sched*.c translation units") removed the include of asm/mutex.h from sched.c. This breaks the combination of: CONFIG_MUTEX_SPIN_ON_OWNER=yes CONFIG_HAVE_ARCH_MUTEX_CPU_RELAX=yes like s390 without mutex debugging: CC ker...
```diff diff --git a/kernel/sched/core.c b/kernel/sched/core.c index e067df1fd01a..5255c9d2e053 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -74,6 +74,7 @@ #include <asm/tlb.h> #include <asm/irq_regs.h> +#include <asm/mutex.h> #ifdef CONFIG_PARAVIRT #include <asm/paravirt.h> #endif ```
4ca9b72b71f10147bd21969c1805f5b2c4ca7b7b
Analyze and fix the following issue in the Linux kernel code: sched: Fix rq->nr_uninterruptible update race
Problem Details: KOSAKI Motohiro noticed the following race: > CPU0 CPU1 > -------------------------------------------------------- > deactivate_task() > task->state = TASK_UNINTERRUPTIBLE; > activate_task() > rq->nr_uninterruptible--; > > s...
```diff diff --git a/kernel/sched/core.c b/kernel/sched/core.c index df00cb09263e..e067df1fd01a 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -723,9 +723,6 @@ static void dequeue_task(struct rq *rq, struct task_struct *p, int flags) p->sched_class->dequeue_task(rq, p, flags); } -/* - * activate_tas...
590dfe2f3bbbbeee806ee91bef68ba2a6afc16d2
Analyze and fix the following issue in the Linux kernel code: agp: fix scratch page cleanup
Problem Details: In error cleanup of agp_backend_initialize() and in agp_backend_cleanup(), agp_destroy_page() is passed virtual address of the scratch page. This leads to a kernel warning if the initialization fails (or upon regular cleanup) as pointer to struct page should be passed instead. Signed-off-by: Michal Ku...
```diff diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c index 4b71647782d0..317c28ce8328 100644 --- a/drivers/char/agp/backend.c +++ b/drivers/char/agp/backend.c @@ -194,10 +194,10 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge) err_out: if (bridge->driver->needs_scratch_p...
073862ba5d249c20bd5c49fc6d904ff0e1f6a672
Analyze and fix the following issue in the Linux kernel code: netns: fix net_alloc_generic()
Problem Details: When a new net namespace is created, we should attach to it a "struct net_generic" with enough slots (even empty), or we can hit the following BUG_ON() : [ 200.752016] kernel BUG at include/net/netns/generic.h:40! ... [ 200.752016] [<ffffffff825c3cea>] ? get_cfcnfg+0x3a/0x180 [ 200.752016] [<ffff...
```diff diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index aefcd7acbffa..0e950fda9a0a 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -30,6 +30,20 @@ EXPORT_SYMBOL(init_net); #define INITIAL_NET_GEN_PTRS 13 /* +1 for len +2 for rcu_head */ +static unsigned int max_gen_pt...
b3a81520bd37a28f77cb0f7002086fb14061824d
Analyze and fix the following issue in the Linux kernel code: ALSA: hda - Fix silent output on Haier W18 laptop
Problem Details: The very same problem is seen on Haier W18 laptop with ALC861 as seen on ASUS A6Rp, which was fixed by the commit 3b25eb69. Now we just need to add a new SSID entry pointing to the same fixup. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=42656 Cc: <stable@kernel.org> [v3.2+] Signed-off-by: T...
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index a23479926f89..0db1dc49382b 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -5610,6 +5610,7 @@ static const struct alc_fixup alc861_fixups[] = { static const struct snd_pci_quirk alc861_fixup_tbl...
13f81d65959eb3512b39e8c338e81e018d1c515b
Analyze and fix the following issue in the Linux kernel code: ASoC: omap-abe-twl6040: Correct internal prefix, Kconfig entry
Problem Details: Change the internal prefixes within the driver from sdp4430. At he same time correct the Kconfig text as well. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
```diff diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig index 4eae92987fe8..98410b833f1b 100644 --- a/sound/soc/omap/Kconfig +++ b/sound/soc/omap/Kconfig @@ -98,15 +98,16 @@ config SND_OMAP_SOC_SDP3430 SDP3430. config SND_OMAP_SOC_OMAP_ABE_TWL6040 - tristate "SoC Audio support for Texas Instruments ...
b9130b776ee481acbc27a7e56d98df75680de369
Analyze and fix the following issue in the Linux kernel code: pinctrl: add checks for empty function names
Problem Details: This is needed as otherwise we can get the following when dealing with buggy data in a pinmux driver for pinmux_search_function: Unable to handle kernel NULL pointer dereference at virtual address 00000000 ... PC is at strcmp+0xc/0x34 LR is at pinmux_get+0x350/0x8f4 ... As we need pctldev initialized...
```diff diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index d9d35fcbfc6b..8fe15cf15ac8 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -583,40 +583,40 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc, if (pctldesc->name == NULL) return NULL; + pctldev = kza...
9e2551e10b5c7ba550849bd9ed519e498cc30e68
Analyze and fix the following issue in the Linux kernel code: pinctrl: fix pinmux_hog_maps when ctrl_dev_name is not set
Problem Details: The ctrl_dev_name is optional for struct pinmux_map assuming that ctrl_dev is set. Without this patch we can get: Unable to handle kernel NULL pointer dereference at virtual address 00000000 ... (pinmux_hog_maps+0xa4/0x20c) (pinctrl_register+0x2a4/0x378) ... Fix this by adding adding a test for map->...
```diff diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c index f4f8c7e4b1c8..3ffa9324ed82 100644 --- a/drivers/pinctrl/pinmux.c +++ b/drivers/pinctrl/pinmux.c @@ -978,9 +978,12 @@ int pinmux_hog_maps(struct pinctrl_dev *pctldev) for (i = 0; i < pinmux_maps_num; i++) { struct pinmux_map const *map =...
de849eecd0addaa6bf60f2f7be36b30abf9ff2ae
Analyze and fix the following issue in the Linux kernel code: pinctrl: fix some pinmux typos
Problem Details: Fix some pinmux typos so implementing pinmux drivers is a bit easier. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
```diff diff --git a/Documentation/pinctrl.txt b/Documentation/pinctrl.txt index 5324d3199f34..150fd3833d0b 100644 --- a/Documentation/pinctrl.txt +++ b/Documentation/pinctrl.txt @@ -1024,7 +1024,7 @@ it, disables and releases it, and muxes it in on the pins defined by group B: foo_switch() { - struct pinmux pmx; +...
d53e54b4d43b2559c5a424188894fd63d145b5d7
Analyze and fix the following issue in the Linux kernel code: ARM: IOMMU: Tegra20: Add iommu_ops for GART driver
Problem Details: Tegra 20 IOMMU H/W, GART (Graphics Address Relocation Table). This patch implements struct iommu_ops for GART for the upper IOMMU API. This H/W module supports only single virtual address space(domain), and manages a single level 1-to-1 mapping H/W translation page table. [With small fixes by Joerg R...
```diff diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 6bea6962f8ee..76c86da2b411 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -142,4 +142,14 @@ config OMAP_IOMMU_DEBUG Say N unless you know you need this. +config TEGRA_IOMMU_GART + bool "Tegra GART IOMMU Support" + ...
7c0c34544d71b10914f29383c119d80631f367b7
Analyze and fix the following issue in the Linux kernel code: ARM: imx: iomux-v1.h: Fix build error due to __init annotation
Problem Details: Fix the following build error found when building imx_v4_v5_defconfig: CC arch/arm/mach-imx/mach-imx27ipcam.o In file included from arch/arm/plat-mxc/include/mach/iomux-mx27.h:23, from arch/arm/mach-imx/mach-imx27ipcam.c:22: arch/arm/plat-mxc/include/mach/iomux-v1.h:99: error: ...
```diff diff --git a/arch/arm/plat-mxc/include/mach/iomux-v1.h b/arch/arm/plat-mxc/include/mach/iomux-v1.h index 6fa8a707b9a0..f7d18046c04f 100644 --- a/arch/arm/plat-mxc/include/mach/iomux-v1.h +++ b/arch/arm/plat-mxc/include/mach/iomux-v1.h @@ -96,6 +96,6 @@ extern int mxc_gpio_mode(int gpio_mode); extern int mxc_gp...
c49d005b6cc8491fad5b24f82805be2d6bcbd3dd
Analyze and fix the following issue in the Linux kernel code: OMAPDSS: HDMI: PHY burnout fix
Problem Details: A hardware bug in the OMAP4 HDMI PHY causes physical damage to the board if the HDMI PHY is kept powered on when the cable is not connected. This patch solves the problem by adding hot-plug-detection into the HDMI IP driver. This is not a real HPD support in the sense that nobody else than the IP driv...
```diff diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index cd6ec517a929..0ce758edaad2 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -732,6 +732,10 @@ static void sdp4430_lcd_init(void) pr_err("%s: Could not get lcd2_reset_gpio\...
0eaf9f52e94f756147dbfe1faf1f77a02378dbf9
Analyze and fix the following issue in the Linux kernel code: OMAPDSS: use sync versions of pm_runtime_put
Problem Details: omapdss doesn't work properly on system suspend. The problem seems to be the fact that omapdss uses pm_runtime_put() functions when turning off the hardware, and when system suspend is in process only sync versions are allowed. Using non-sync versions normally and sync versions when suspending would n...
```diff diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index a5ec7f37c185..e1626a1d5c45 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -401,7 +401,7 @@ void dispc_runtime_put(void) DSSDBG("dispc_runtime_put\n"); - r = pm_runtime_put(&dispc.pde...
8a093049c604ab32d94bcc5baa24f7939d5e3f7b
Analyze and fix the following issue in the Linux kernel code: regulator: Set apply_uV only when min and max voltages are defined
Problem Details: apply_uV is errornously set when regulator is instantiated from device tree, even when it doesn't contain any voltage constraints. This commit fixes error: machine_constraints_voltage: CHARGER: failed to apply 0uV constraint for following regulator description in DTS: CHARGER { regulator-min-m...
```diff diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index f1651eb69648..679734d26a16 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c @@ -35,7 +35,7 @@ static void of_get_regulation_constraints(struct device_node *np, if (constraints->min_uV != ...
5d7244e7c984cecead412bde6395ce18618a4a37
Analyze and fix the following issue in the Linux kernel code: x86-64: Fix memset() to support sizes of 4Gb and above
Problem Details: While currently there doesn't appear to be any reachable in-tree case where such large memory blocks may be passed to memset() (alloc_bootmem() being the primary non-reachable one, as it gets called with suitably large sizes in FLATMEM configurations), we have recently hit the problem a second time in ...
```diff diff --git a/arch/x86/lib/memset_64.S b/arch/x86/lib/memset_64.S index 79bd454b78a3..2dcb3808cbda 100644 --- a/arch/x86/lib/memset_64.S +++ b/arch/x86/lib/memset_64.S @@ -19,16 +19,15 @@ .section .altinstr_replacement, "ax", @progbits .Lmemset_c: movq %rdi,%r9 - movl %edx,%r8d - andl $7,%r8d - movl %edx,%e...
8436473a4b10243fd4c3009b97b6646c2ba642f7
Analyze and fix the following issue in the Linux kernel code: drm/i915: drm/i915: Fix recursive calls to unmap
Problem Details: After the ILK vt-d workaround patches it became clear that we had introduced a bug. Chris Wilson tracked down the issue to recursive calls to unmap. This happens because we try to optimize waiting on requests by calling retire requests after the wait, which may drop the last reference on an object and...
```diff diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index e050b903da95..11bddd5a5a6a 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -55,7 +55,7 @@ static bool do_idling(struct drm_i915_private *dev_priv) if (unlikely(dev_priv-...
5d09598d488f081e3be23f885ed65cbbe2d073b5
Analyze and fix the following issue in the Linux kernel code: kconfig: fix new choices being skipped upon config update
Problem Details: Running `oldconfig' after any of the following configuration change: either trivial addition, such as: config A bool "A" choice prompt "Choice ?" depends on A config CHOICE_B bool "Choice B" config CHOICE_C bool "Choice C" endchoice or more tricky change: OLD KCONFIG ...
```diff diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index 7c7a5a6cc3f5..0586085136d1 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -344,10 +344,8 @@ setsym: int conf_read(const char *name) { - struct symbol *sym, *choice_sym; - struct property *prop; - struct e...