id
stringlengths
40
40
instruction
stringlengths
68
308
input
stringlengths
17
33.4k
output
stringlengths
100
30k
ed62178589929d248a0aaf4018ca3867e2f96d9d
Analyze and fix the following issue in the Linux kernel code: [PATCH] radeonfb: Fix static array overrun
Problem Details: radeonfb_parse_monitor_layout() will produce an array overrun if passed with a substring of length higher than 4 (ie, "XXXXX,YYYYYY"). Coverity Bug 494 Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/video/aty/radeon_monitor.c b/drivers/video/aty/radeon_monitor.c index 7f9838dceab5..98c05bc0de44 100644 --- a/drivers/video/aty/radeon_monitor.c +++ b/drivers/video/aty/radeon_monitor.c @@ -396,6 +396,10 @@ static int __devinit radeon_parse_monitor_layout(struct radeonfb_info *rinfo, s...
8e6509876c5cb079f56dbe334aafaae9a293c886
Analyze and fix the following issue in the Linux kernel code: [PATCH] aty128fb: Fix array overrun
Problem Details: Fix static array overrun Coverity Bug 556 Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c index bfc8a93b2c73..620c9a934e0e 100644 --- a/drivers/video/aty/aty128fb.c +++ b/drivers/video/aty/aty128fb.c @@ -1326,7 +1326,7 @@ static int aty128_var_to_pll(u32 period_in_ps, struct aty128_pll *pll, unsigned char post_dividers[] = {1...
54243cefdd3ab8133ebe7d3d705f35ca1d0b59eb
Analyze and fix the following issue in the Linux kernel code: [PATCH] tdfxfb: Fix buffer overrun
Problem Details: The pseudo_palette has room only for 16 entries, but tdfxfb_setcolreg may attempt to write more. Coverity Bug 557 Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/video/tdfxfb.c b/drivers/video/tdfxfb.c index 3e7baf4c9fa8..5e5328d682db 100644 --- a/drivers/video/tdfxfb.c +++ b/drivers/video/tdfxfb.c @@ -786,28 +786,32 @@ static int tdfxfb_setcolreg(unsigned regno, unsigned red, unsigned green, if (regno >= info->cmap.len || regno > 255) return 1; ...
d301524772be3eef5fae1bcd5ca76fac69bb3b6e
Analyze and fix the following issue in the Linux kernel code: [PATCH] intelfb: Fix buffer overrun
Problem Details: The pseudo_palette has room only for 16 entries, but intelfb_setcolreg will attempt to write more. Coverity Bug 558 Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c index 6b8bd3cdf9c0..995b47c165a7 100644 --- a/drivers/video/intelfb/intelfbdrv.c +++ b/drivers/video/intelfb/intelfbdrv.c @@ -1333,33 +1333,35 @@ intelfb_setcolreg(unsigned regno, unsigned red, unsigned green, if (regno > 255...
8d57f2210e72e0168734bd1503b9e52a71f53d65
Analyze and fix the following issue in the Linux kernel code: [PATCH] savagefb: Fix kfree before use
Problem Details: par->edid is kfree'd before using in fb_edid_to_monspecs() Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/video/savage/savagefb_driver.c b/drivers/video/savage/savagefb_driver.c index ab727eaa7f43..10e6b3aab9ea 100644 --- a/drivers/video/savage/savagefb_driver.c +++ b/drivers/video/savage/savagefb_driver.c @@ -2021,8 +2021,8 @@ static int __devinit savagefb_probe (struct pci_dev* dev, #if defi...
91bc89cf98f8aa83c64e14a8939d4f5d0790cf24
Analyze and fix the following issue in the Linux kernel code: [PATCH] imsttfb: Fix resource leak
Problem Details: The struct info and device resource may not be released in the driver's error path. Fix. Coverity Bug 671 Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/video/imsttfb.c b/drivers/video/imsttfb.c index ad416ae47596..7db42542eb19 100644 --- a/drivers/video/imsttfb.c +++ b/drivers/video/imsttfb.c @@ -1510,6 +1510,8 @@ imsttfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) default: printk(KERN_INFO "imsttfb: Device 0x%x unk...
98365f5eb47e23d6ac1244da556984a74260021e
Analyze and fix the following issue in the Linux kernel code: [PATCH] s1d13xxxfb: Fix resource leak
Problem Details: struct info may not be released in the driver's error path. Coverity Bug 672 Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/video/s1d13xxxfb.c b/drivers/video/s1d13xxxfb.c index e5d0f92eeae3..feec47bdd479 100644 --- a/drivers/video/s1d13xxxfb.c +++ b/drivers/video/s1d13xxxfb.c @@ -588,6 +588,7 @@ s1d13xxxfb_probe(struct platform_device *pdev) goto bail; } + platform_set_drvdata(pdev, info); default_par ...
939205b27312b7d7c4c55624ba785e554b39ecbb
Analyze and fix the following issue in the Linux kernel code: [PATCH] arcfb: Fix dereference before NULL check
Problem Details: info->par is dereferenced before info is checked for NULL. Fix. Coverity Bug 833 Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c index 0cf26da75b6d..466042808daf 100644 --- a/drivers/video/arcfb.c +++ b/drivers/video/arcfb.c @@ -459,11 +459,11 @@ static ssize_t arcfb_write(struct file *file, const char __user *buf, size_t cou inode = file->f_dentry->d_inode; fbidx = iminor(in...
16afe814a856e271628c5dfb4abbc318ec6b6f5f
Analyze and fix the following issue in the Linux kernel code: [PATCH] kyrofb: Fix uninitialized value
Problem Details: Initialize Variable 'count' in DisableVGA to zero. Coverity Bug 874 Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/video/kyro/STG4000VTG.c b/drivers/video/kyro/STG4000VTG.c index 3690b04190af..bd389709d234 100644 --- a/drivers/video/kyro/STG4000VTG.c +++ b/drivers/video/kyro/STG4000VTG.c @@ -17,7 +17,7 @@ void DisableVGA(volatile STG4000REG __iomem *pSTGReg) { u32 tmp; - volatile u32 count, i; + vol...
604cc999fda36d6ff840e03dbc70244d2d17eee2
Analyze and fix the following issue in the Linux kernel code: [PATCH] arcfb: Fix uninitialized value
Problem Details: Remove insignificant and uninitialized variable "count" from arcfb_lcd_update_page. Coverity Bug 894 Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c index df8e5667b348..0cf26da75b6d 100644 --- a/drivers/video/arcfb.c +++ b/drivers/video/arcfb.c @@ -253,7 +253,7 @@ static void arcfb_lcd_update_page(struct arcfb_par *par, unsigned int upper, { unsigned char *src; unsigned int xindex, yindex, chip...
6af7ffc414828cda880a4e99e20f4f07880281e7
Analyze and fix the following issue in the Linux kernel code: [PATCH] neofb: Fix uninitialized value
Problem Details: Remove insignificant and unitialized variable "waitcycles" from neo2200_sync. Coverity Bug 895 Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c index a2e201dc40f7..b961d5601bd9 100644 --- a/drivers/video/neofb.c +++ b/drivers/video/neofb.c @@ -486,10 +486,8 @@ static void vgaHWRestore(const struct fb_info *info, static inline int neo2200_sync(struct fb_info *info) { struct neofb_par *par = ...
341c2d806b71cc3596afeb2d9bd26cd718e75202
Analyze and fix the following issue in the Linux kernel code: [PATCH] selinux: tracer SID fix
Problem Details: Fix SELinux to not reset the tracer SID when the child is already being traced, since selinux_ptrace is also called by proc for access checking outside of the context of a ptrace attach. Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov> Acked-by: James Morris <jmorris@namei.org> Acked-by: Chris Wrig...
```diff diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index b7773bf68efa..b65c201e9ff5 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -1262,7 +1262,7 @@ static int selinux_ptrace(struct task_struct *parent, struct task_struct *child) rc = task_has_perm(parent, child, PROC...
4136cabff33d6d73b8daf2f2612670cc0296f844
Analyze and fix the following issue in the Linux kernel code: [PATCH] edac: disable a few sysfs files to avoid them becoming an ABI
Problem Details: Disable (via ugly #if 0's) the 3 sysfs files that I think by now we all agree are very much wrong. These files shouldn't become part of the ABI by the 2.6.16 release, so I rather have this minimal patch merged to disable them for now, the real fix can then come during the 2.6.17 devel window. Signed-...
```diff diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index b10ee4698b1d..262e44544dc8 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -132,11 +132,13 @@ static struct kobject edac_pci_kobj; * /sys/devices/system/edac/mc; * data structures and methods */ +#if 0 static ssize_t ...
cd6ef84e6ac9454080707f2f338360f5d7e556fc
Analyze and fix the following issue in the Linux kernel code: [PATCH] ext3: fix nobh mode for chattr +j inodes
Problem Details: One can do "chattr +j" on a file to change its journalling mode. Fix writeback mode with "nobh" handling for it. Even though, we mount ext3 filesystem in writeback mode with "nobh" option, some one can do "chattr +j" on a single file to force it to do journalled mode. In order to do journaling, ext3...
```diff diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c index 3fc4238e9703..0384e539b88f 100644 --- a/fs/ext3/inode.c +++ b/fs/ext3/inode.c @@ -1624,15 +1624,14 @@ static int ext3_block_truncate_page(handle_t *handle, struct page *page, * For "nobh" option, we can only work if we don't need to * read-in the page ...
0adb25d2e71ab047423d6fc63d5d184590d0a66f
Analyze and fix the following issue in the Linux kernel code: [PATCH] ext3: ext3_symlink should use GFP_NOFS allocations inside
Problem Details: This patch fixes illegal __GFP_FS allocation inside ext3 transaction in ext3_symlink(). Such allocation may re-enter ext3 code from try_to_free_pages. But JBD/ext3 code keeps a pointer to current journal handle in task_struct and, hence, is not reentrable. This bug led to "Assertion failure in journ...
```diff diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c index 8bd8ac077704..b8f5cd1e540d 100644 --- a/fs/ext3/namei.c +++ b/fs/ext3/namei.c @@ -2141,7 +2141,8 @@ retry: * We have a transaction open. All is sweetness. It also sets * i_size in generic_commit_write(). */ - err = page_symlink(inode, symname, ...
4ceadbf519c6820b236a9a213255260eb825974b
Analyze and fix the following issue in the Linux kernel code: [PATCH] fix pcmcia_device_probe oops
Problem Details: Fix pcmcia_device_probe NULL pointer dereference at startup. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 54ad93daca3c..bb96ce1db08c 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -411,7 +411,7 @@ static int pcmcia_device_probe(struct device * dev) * pseudo devices, and if not, add the second one. */ did = (struct pcmcia_device_id *...
6d373ea012b2974e627b9ee830e75cf3bf3c4c24
Analyze and fix the following issue in the Linux kernel code: [CPUFREQ] Fix the p4-clockmod N60 errata workaround.
Problem Details: Fix the code to disable freqs less than 2GHz in N60 errata. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Dave Jones <davej@redhat.com>
```diff diff --git a/arch/i386/kernel/cpu/cpufreq/p4-clockmod.c b/arch/i386/kernel/cpu/cpufreq/p4-clockmod.c index 0e1fc5c45242..ab6504efd801 100644 --- a/arch/i386/kernel/cpu/cpufreq/p4-clockmod.c +++ b/arch/i386/kernel/cpu/cpufreq/p4-clockmod.c @@ -244,7 +244,7 @@ static int cpufreq_p4_cpu_init(struct cpufreq_policy ...
8fce4d8e3b9e3cf47cc8afeb6077e22ab795d989
Analyze and fix the following issue in the Linux kernel code: [PATCH] slab: Node rotor for freeing alien caches and remote per cpu pages.
Problem Details: The cache reaper currently tries to free all alien caches and all remote per cpu pages in each pass of cache_reap. For a machines with large number of nodes (such as Altix) this may lead to sporadic delays of around ~10ms. Interrupts are disabled while reclaiming creating unacceptable delays. This pa...
```diff diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 20f9148e38d9..7851e6b520cf 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -157,9 +157,9 @@ extern void FASTCALL(free_cold_page(struct page *page)); void page_alloc_init(void); #ifdef CONFIG_NUMA -void drain_remote_pages(void); +void...
7b61fcda8a640bb87be23f9f09c1f24357b5c6e1
Analyze and fix the following issue in the Linux kernel code: [PATCH] m68k: fix cmpxchg compile errors if CONFIG_RMW_INSNS=n
Problem Details: We require that all archs implement atomic_cmpxchg(), for the generic version of atomic_add_unless(). Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Tor...
```diff diff --git a/include/asm-m68k/atomic.h b/include/asm-m68k/atomic.h index a4a84d5c65d5..862e497c2645 100644 --- a/include/asm-m68k/atomic.h +++ b/include/asm-m68k/atomic.h @@ -55,6 +55,7 @@ static inline int atomic_inc_and_test(atomic_t *v) } #ifdef CONFIG_RMW_INSNS + static inline int atomic_add_return(int...
b707dbe6c52e143a9afea06aa8f84103135ca873
Analyze and fix the following issue in the Linux kernel code: [PATCH] s390: dasd proc interface typo
Problem Details: This fixes a typo introduced with 90f0094dc607abe384a412bfb7199fb667ab0735. Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c index 4c1acc8daa82..1aa3c261718a 100644 --- a/drivers/s390/block/dasd_proc.c +++ b/drivers/s390/block/dasd_proc.c @@ -94,7 +94,7 @@ dasd_devices_show(struct seq_file *m, void *v) seq_printf(m, "basic"); break; case DASD_STATE_U...
f2937be5895dbae23ff66767a2fc17793e63159c
Analyze and fix the following issue in the Linux kernel code: [PATCH] memory hotadd: pgdat->node_present_pages fix
Problem Details: When pages are onlined, not only zone->present_pages but also pgdat->node_present_pages should be refreshed. This parameter is used to show information at /sys/device/system/node/nodeX/meminfo via si_meminfo_node(). So, it shows strange value for MemUsed which is calculated (node_present_pages - all ...
```diff diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index a918f77f02f3..1fe76d963ac2 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -130,6 +130,7 @@ int online_pages(unsigned long pfn, unsigned long nr_pages) onlined_pages++; } zone->present_pages += onlined_pages; + zone->zone_pgdat->n...
6a88231fc7da311e4da4ce2011d1a132c80c145a
Analyze and fix the following issue in the Linux kernel code: [PATCH] ibmasm: use after free fix
Problem Details: The kobject_put() can free the memory at *cmd, but cmd->lock points to a persistent lock that is not freed with cmd. Signed-off-by: Max Asbock <masbock@us.ibm.com> Cc: Vernon Mauery <vernux@us.ibm.com> Cc: Srihari Vijayaraghavan <sriharivijayaraghavan@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@o...
```diff diff --git a/drivers/misc/ibmasm/ibmasm.h b/drivers/misc/ibmasm/ibmasm.h index 1cef2387fa65..6aba41954448 100644 --- a/drivers/misc/ibmasm/ibmasm.h +++ b/drivers/misc/ibmasm/ibmasm.h @@ -101,15 +101,16 @@ struct command { static inline void command_put(struct command *cmd) { unsigned long flags; + spinlock_...
04b857f74cec5efc7730e9db47e291310f4708a4
Analyze and fix the following issue in the Linux kernel code: [PATCH] md: Fix several raid1 bugs which cause a memory leak
Problem Details: - wrong test for 'is this a BARRIER bio' - not freeing on all possible paths. - using r1_bio after freeing it. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index d39f584cd8b3..5d88329e3c7a 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -306,6 +306,7 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int r1bio_t * r1_bio = (r1bio_t *)(bio->bi_private); int mirror, beh...
0ef675d491bd65028fa838015ebc6ce8abefab6f
Analyze and fix the following issue in the Linux kernel code: [PATCH] mtd: 64 bit fixes
Problem Details: Fix some bugs in mtd/jffs2 on 64bit platform. The MEMGETBADBLOCK/MEMSETBADBLOCK ioctl are not listed in compat_ioctl.h. And some variables in jffs2 are declared as uint32_t but used to hold size_t values. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Thomas Gleixner <tglx@linutronix.de> Ac...
```diff diff --git a/fs/jffs2/nodelist.c b/fs/jffs2/nodelist.c index b635e167a3fa..d4d0c41490cd 100644 --- a/fs/jffs2/nodelist.c +++ b/fs/jffs2/nodelist.c @@ -406,7 +406,8 @@ static int check_node_data(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info int err = 0, pointed = 0; struct jffs2_eraseblock *jeb; uns...
eff2c2f6f569267aa52e2431844cec30637d7ade
Analyze and fix the following issue in the Linux kernel code: [PATCH] alpha: fix IRQ handling lockup
Problem Details: Fix a lockup which was introduced during the conversion to the generic IRQ framework. Cc: Richard Henderson <rth@twiddle.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c index 9006063e7369..da677f829f76 100644 --- a/arch/alpha/kernel/irq.c +++ b/arch/alpha/kernel/irq.c @@ -151,8 +151,13 @@ handle_irq(int irq, struct pt_regs * regs) } irq_enter(); + /* + * __do_IRQ() must be called with IPL_MAX. Note that we d...
10ad1b7363090c0eec2b4054a5a3b82d2cc09ee5
Analyze and fix the following issue in the Linux kernel code: [PATCH] Fix error handling in backlight drivers
Problem Details: ERR_PTR() is supposed to be passed a negative value. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index bd39bbd88d41..151fda8dded0 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -172,7 +172,7 @@ struct backlight_device *backlight_device_register(const char *name, void *devda ...
ad58f7dbeb6f5ea82679962f18985f16b660a2d9
Analyze and fix the following issue in the Linux kernel code: [SCSI] zfcp: fix device registration issues
Problem Details: The patch fixes following issues: (1) Replace scsi_add_device with scsi_scan_target. (Thus the rport instead of the scsi_host becomes parent of a scsi_target again.) (2) Avoid scsi_device allocation during registration of an remote port. (Would be done during fc_scsi_scan_rport.) (3) Fix queuecomman...
```diff diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index 7f551d66f47f..6eba56cd89ba 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -664,6 +664,7 @@ do { \ #define ZFCP_STATUS_UNIT_TEMPORARY 0x00000002 #define ZFCP_STATUS_UNIT_SHARED 0x00000004 #define...
88274815f7477dc7550439413ab87c5ce4c5a623
Analyze and fix the following issue in the Linux kernel code: [CIFS] Fix two remaining coverity scan tool warnings.
Problem Details: Signed-off-by: Steve French <sfrench@us.ibm.com>
```diff diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 3e89fbbd160f..a5941872d3f7 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -3061,7 +3061,8 @@ findFirstRetry: pSMB->TotalParameterCount = cpu_to_le16(params); pSMB->ParameterCount = pSMB->TotalParameterCount; pSMB->ParameterOffset = cpu_to...
70f1be4812a833ac856818c3149e432ff6a84c2e
Analyze and fix the following issue in the Linux kernel code: sky2: truncate oversize packets
Problem Details: Turn on truncation to prevent getting choked by frames larger than expected. Without this fix, driver hangs after receiving an oversize packet. Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
```diff diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 1078b7cab076..73260364cba3 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -622,8 +622,8 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port) /* Configure Rx MAC FIFO */ sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_C...
39bf4295bb4bcb0c108f74b72dd2eb5b9b9dfacc
Analyze and fix the following issue in the Linux kernel code: de2104x: fix the TX watchdog
Problem Details: Insert de_init_rings() to reinit the rings before de_init_hw() tries to access them again. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
```diff diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c index 9e9e1fe92914..2d0cfbceee22 100644 --- a/drivers/net/tulip/de2104x.c +++ b/drivers/net/tulip/de2104x.c @@ -1453,6 +1453,8 @@ static void de_tx_timeout (struct net_device *dev) synchronize_irq(dev->irq); de_clean_rings(de); + de_in...
bb7d83f74477b41a2dee71771805c8447cdaa70f
Analyze and fix the following issue in the Linux kernel code: [MIPS] Discard .exit.text at runtime.
Problem Details: At times gcc will place bits of __exit functions into .rodata. If compiled into the kernle itself we used to discard .exit.text - but not the bits left in .rodata. While harmless this did at times result in a large number of warnings. So until gcc fixes this, discard .exit.text at runtime. Sign...
```diff diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S index ff699dbb99f7..2ad0cedf29fe 100644 --- a/arch/mips/kernel/vmlinux.lds.S +++ b/arch/mips/kernel/vmlinux.lds.S @@ -106,6 +106,9 @@ SECTIONS .con_initcall.init : { *(.con_initcall.init) } __con_initcall_end = .; SECURITY_INI...
ad139a2f56e5789aa8a9f74e3600a7f854a38de9
Analyze and fix the following issue in the Linux kernel code: [SCSI] scsi_transport_fc: fix FC_HOST_NUM_ATTRS
Problem Details: In the past I added an host attribute but unfortunately I forgot to increase FC_HOST_NUM_ATTRS. This is fixed with the patch. Otherwise an fibre channel lld might run into BUG_ON(count > FC_HOST_NUM_ATTRS); in fc_attach_transport(). Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com> Signed-of...
```diff diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 929032e370db..13ea64119b73 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -223,7 +223,7 @@ static void fc_rport_terminate(struct fc_rport *rport); */ #define FC_STARGET_NUM_ATTRS ...
5ee1af9f519e6dc5a7d7912e87a1aaec857c8818
Analyze and fix the following issue in the Linux kernel code: [PATCH] block: disable block layer bouncing for most memory on 64bit systems
Problem Details: The low level PCI DMA mapping functions should handle it in most cases. This should fix problems with depleting the DMA zone early. The old code used precious GFP_DMA memory in many cases where it was not needed. Signed-off-by: Andi Kleen <ak@suse.de> Cc: Jens Axboe <axboe@suse.de> Signed-off-by: And...
```diff diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index 03d9c82b0fe7..0ef2971a9e82 100644 --- a/block/ll_rw_blk.c +++ b/block/ll_rw_blk.c @@ -625,26 +625,31 @@ static inline int ordered_bio_endio(struct request *rq, struct bio *bio, * Different hardware can have different requirements as to what pages *...
f9262c12c0084ddba445a9a42e98994018e51400
Analyze and fix the following issue in the Linux kernel code: [PATCH] i386: port ATI timer fix from x86_64 to i386 II
Problem Details: ATI chipsets tend to generate double timer interrupts for the local APIC timer when both the 8254 and the IO-APIC timer pins are enabled. This is because they route it to both and the result is anded together and the CPU ends up processing it twice. This patch changes check_timer to disable the 8254 ...
```diff diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index bad5987c4727..fc99075e0af4 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -335,6 +335,12 @@ running once the system is up. timesource is not avalible, it defaults to PI...
cb764326dff0ee51aca0d450e1a292de65661055
Analyze and fix the following issue in the Linux kernel code: e1000: Fix mii-tool access to setting speed and duplex
Problem Details: Paul Rolland reported that e1000 was having a hard time using mii-tool to set speed and duplex. This patch fixes the issue on both newer hardware as well as fixing the code issue that originally caused the problem. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsh...
```diff diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 9adaf5fa9d48..5f7e5c808201 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -4171,7 +4171,7 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) spin_unlock_irqrestore(&...
1efa3c05f8640c37ba89d54dfaa18504d21986ce
Analyze and fix the following issue in the Linux kernel code: [NET] compat ifconf: fix limits
Problem Details: A recent change to compat. dev_ifconf() in fs/compat_ioctl.c causes ifconf data to be truncated 1 entry too early when copying it to userspace. The correct amount of data (length) is returned, but the final entry is empty (zero, not filled in). The for-loop 'i' check should use <= to allow the final s...
```diff diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 537ac70edfe5..c666769a875d 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -446,7 +446,7 @@ static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg) ifr = ifc.ifc_req; ifr32 = compat_ptr(ifc32.ifcbuf); for (i = 0, j = 0;...
d8117ce5a679ff1f48df247da30fb62c16d562c5
Analyze and fix the following issue in the Linux kernel code: [IA64] Fix race in the accessed/dirty bit handlers
Problem Details: A pte may be zapped by the swapper, exiting process, unmapping or page migration while the accessed or dirty bit handers are about to run. In that case the accessed bit or dirty is set on an zeroed pte which leads the VM to conclude that this is a swap pte. This may lead to - Messages from the vm like...
```diff diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S index 9f80569a32b0..dcd906fe5749 100644 --- a/arch/ia64/kernel/ivt.S +++ b/arch/ia64/kernel/ivt.S @@ -561,11 +561,12 @@ ENTRY(dirty_bit) ;; // avoid RAW on r18 mov ar.ccv=r18 // set compare value for cmpxchg or r25=_PAGE_D|_PAGE_A,r18 //...
dcc8fa50ebc251a1394a2c8561eee7d79cc5f437
Analyze and fix the following issue in the Linux kernel code: [ARM] 3354/1: NAS100d: fix power led handling
Problem Details: Patch from Alessandro Zummo Disable GPIO clocks to allow the power led to work properly. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
```diff diff --git a/arch/arm/mach-ixp4xx/nas100d-setup.c b/arch/arm/mach-ixp4xx/nas100d-setup.c index 856d56f3b2ae..a3b4c6ac5708 100644 --- a/arch/arm/mach-ixp4xx/nas100d-setup.c +++ b/arch/arm/mach-ixp4xx/nas100d-setup.c @@ -113,6 +113,9 @@ static void __init nas100d_init(void) { ixp4xx_sys_init(); + /* gpio 14 ...
2ec5e3a867d63d04932e11c6097f63760d9be3fe
Analyze and fix the following issue in the Linux kernel code: [PATCH] fix kexec asm
Problem Details: While testing kexec and kdump we hit problems where the new kernel would freeze or instantly reboot. The easiest way to trigger it was to kexec a kernel compiled for CONFIG_M586 on an athlon cpu. Compiling for CONFIG_MK7 instead would work fine. The patch fixes a few problems with the kexec inline a...
```diff diff --git a/arch/i386/kernel/machine_kexec.c b/arch/i386/kernel/machine_kexec.c index a912fed48482..f73d7374a2ba 100644 --- a/arch/i386/kernel/machine_kexec.c +++ b/arch/i386/kernel/machine_kexec.c @@ -116,13 +116,13 @@ static void load_segments(void) __asm__ __volatile__ ( "\tljmp $"STR(__KERNEL_CS)",$1f...
731805b49489055c1548f7ccfbd44c9b84013264
Analyze and fix the following issue in the Linux kernel code: [PATCH] v9fs: fix for access to unitialized variables or freed memory
Problem Details: Miscellaneous fixes related to accessing uninitialized variables or memory that was already freed. Signed-off-by: Latchesar Ionkov <lucho@ionkov.net> Cc: Eric Van Hensbergen <ericvh@ericvh.myip.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/fs/9p/9p.c b/fs/9p/9p.c index 1a6d08761f39..f86a28d1d6a6 100644 --- a/fs/9p/9p.c +++ b/fs/9p/9p.c @@ -111,7 +111,6 @@ static void v9fs_t_clunk_cb(void *a, struct v9fs_fcall *tc, if (!rc) return; - dprintk(DEBUG_9P, "tcall id %d rcall id %d\n", tc->id, rc->id); v9ses = a; if (rc->id == RC...
331c46591414f7f92b1cec048009abe89892ee79
Analyze and fix the following issue in the Linux kernel code: [PATCH] s390: fix strnlen_user return value
Problem Details: strnlen_user is supposed to return then length count + 1 if no terminating \0 is found, and it should return 0 on exception. Found by David Howells <dhowells@redhat.com>. Signed-off-by: Gerald Schaefer <geraldsc@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Acked-By: David How...
```diff diff --git a/arch/s390/lib/uaccess.S b/arch/s390/lib/uaccess.S index 88fc94fe6488..5d59e2625048 100644 --- a/arch/s390/lib/uaccess.S +++ b/arch/s390/lib/uaccess.S @@ -198,12 +198,12 @@ __strnlen_user_asm: 0: srst %r2,%r1 jo 0b sacf 0 - jh 1f # \0 found in string ? ahi %r2,1 # strnlen_user result includ...
529bf6be5c04f2e869d07bfdb122e9fd98ade714
Analyze and fix the following issue in the Linux kernel code: [PATCH] fix file counting
Problem Details: I have benchmarked this on an x86_64 NUMA system and see no significant performance difference on kernbench. Tested on both x86_64 and powerpc. The way we do file struct accounting is not very suitable for batched freeing. For scalability reasons, file accounting was constructor/destructor based. T...
```diff diff --git a/fs/dcache.c b/fs/dcache.c index a173bba32666..11dc83092d4a 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1736,7 +1736,7 @@ void __init vfs_caches_init(unsigned long mempages) SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL); filp_cachep = kmem_cache_create("filp", sizeof(struct file), 0, - SLA...
e2bab3d92486fb781f4d06f56339264ed1492392
Analyze and fix the following issue in the Linux kernel code: [PATCH] percpu_counter_sum()
Problem Details: Implement percpu_counter_sum(). This is a more accurate but slower version of percpu_counter_read_positive(). We need this for Alex's speedup-ext3_statfs patch and for the nr_file accounting fix. Otherwise these things would be too inaccurate on large CPU counts. Cc: Ravikiran G Thirumalai <kiran@s...
```diff diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h index bd6708e2c027..682525511c9e 100644 --- a/include/linux/percpu_counter.h +++ b/include/linux/percpu_counter.h @@ -39,6 +39,7 @@ static inline void percpu_counter_destroy(struct percpu_counter *fbc) } void percpu_counter_mod(str...
b884e25784f62a1c740d2e4c1ce19cb89644e986
Analyze and fix the following issue in the Linux kernel code: [PATCH] x86: Fix i386 nmi_watchdog that does not trigger die_nmi
Problem Details: Fix i386 nmi_watchdog that does not meet watchdog timeout condition. It does not hit die_nmi when it should be triggered, because the current nmi_watchdog_tick in arch/i386/kernel/nmi.c never count up alert_counter like this: void nmi_watchdog_tick (struct pt_regs * regs) { if (last_irq_sums[cpu] =...
```diff diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c index 63f39a7e2c96..be87c5e2ee95 100644 --- a/arch/i386/kernel/nmi.c +++ b/arch/i386/kernel/nmi.c @@ -357,7 +357,7 @@ static void clear_msr_range(unsigned int base, unsigned int n) wrmsr(base+i, 0, 0); } -static inline void write_watchdog_counte...
707ced0d718e89b52b13aa55a64653083e792cca
Analyze and fix the following issue in the Linux kernel code: [PATCH] __get_unaligned() gcc-4 fix
Problem Details: If the 'ptr' is a const, this code cause "assignment of read-only variable" error on gcc 4.x. Use __u64 instead of __typeof__(*(ptr)) for temporary variable to get rid of errors on gcc 4.x. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andre...
```diff diff --git a/include/asm-generic/unaligned.h b/include/asm-generic/unaligned.h index 4dc8ddb401c1..09ec447fe2af 100644 --- a/include/asm-generic/unaligned.h +++ b/include/asm-generic/unaligned.h @@ -78,7 +78,7 @@ static inline void __ustw(__u16 val, __u16 *addr) #define __get_unaligned(ptr, size) ({ \ con...
4d6660eb3665f22d16aff466eb9d45df6102b254
Analyze and fix the following issue in the Linux kernel code: [PATCH] udf: fix uid/gid options and add uid/gid=ignore and forget options
Problem Details: Fix a bug in udf where it would write uid/gid = 0 to the disk for files owned by the id given with the uid=/gid= mount options. It also adds 4 new mount options: uid/gid=forget and uid/gid=ignore. Without any options the id in core and on disk always match. Giving uid/gid=nnn specifies a default ID ...
```diff diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 395e582ee542..d04cff2273b6 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -1045,10 +1045,14 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) } inode->i_uid = le32_to_cpu(fe->uid); - if ( inode->i_uid == -1 ) inode->i_uid = U...
7f709ed0e3ccd3e88e0632b69f00174e83f8d98b
Analyze and fix the following issue in the Linux kernel code: [PATCH] numa_maps-update fix
Problem Details: Fix the mm/mempolicy.c build for !CONFIG_HUGETLB_PAGE. Cc: Christoph Lameter <clameter@engr.sgi.com> Cc: Martin Bligh <mbligh@google.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/mm/mempolicy.c b/mm/mempolicy.c index d80fa7d8f720..954981b14303 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1789,6 +1789,7 @@ static void gather_stats(struct page *page, void *private, int pte_dirty) cond_resched(); } +#ifdef CONFIG_HUGETLB_PAGE static void check_huge_range(struct v...
f78bb8ad482267b92c122f0e37a7dce69c880247
Analyze and fix the following issue in the Linux kernel code: slab: fix calculate_slab_order() for SLAB_RECLAIM_ACCOUNT
Problem Details: Instead of having a hard-to-read and confusing conditional in the caller, just make the slab order calculation handle this special case, since it's simple and obvious there. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/mm/slab.c b/mm/slab.c index f2e92dc1c9ce..6ad6bd5a0b3e 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1647,6 +1647,14 @@ static inline size_t calculate_slab_order(struct kmem_cache *cachep, cachep->gfporder = gfporder; left_over = remainder; + /* + * A VFS-reclaimable slab tends to have most...
f7b05e64bdb2fcc4b2dc94a4bd9426adc70c9599
Analyze and fix the following issue in the Linux kernel code: kbuild: Fix bug in crc symbol generating of kernel and modules
Problem Details: The scripts/genksyms/genksyms.c uses hardcoded "__crc_" prefix for crc symbols in kernel and modules. The prefix should be replaced by "MODULE_SYMBOL_PREFIX##__crc_" otherwise there will be warnings when MODULE_SYMBOL_PREFIX is not NULL. I am sorry my last patch for this issue is actually wrong. I rev...
```diff diff --git a/scripts/genksyms/genksyms.c b/scripts/genksyms/genksyms.c index 416a694b0998..ef8822e59cda 100644 --- a/scripts/genksyms/genksyms.c +++ b/scripts/genksyms/genksyms.c @@ -32,7 +32,7 @@ #endif /* __GNU_LIBRARY__ */ #include "genksyms.h" - +#include "../mod/elfconfig.h" /*------------------------...
3c8fdae78cf5d73c6739912a1ff087c0f23b2a47
Analyze and fix the following issue in the Linux kernel code: [ARM] Fix muldi3.S
Problem Details: When shifting the low-parts of signed numbers, a logical shift should be used to avoid sign-extending a bit which isn't a sign bit. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
```diff diff --git a/arch/arm/lib/muldi3.S b/arch/arm/lib/muldi3.S index 72d594184b8a..d89c60615794 100644 --- a/arch/arm/lib/muldi3.S +++ b/arch/arm/lib/muldi3.S @@ -29,8 +29,8 @@ ENTRY(__aeabi_lmul) mul xh, yl, xh mla xh, xl, yh, xh - mov ip, xl, asr #16 - mov yh, yl, asr #16 + mov ip, xl, lsr #16 + mov yh, yl,...
be0bf7da19135a7a0f8c275f20c819940be218d9
Analyze and fix the following issue in the Linux kernel code: JFS: Take logsync lock before testing mp->lsn
Problem Details: This fixes a race where lsn could be cleared before taking the lock Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
```diff diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 4fb3ed184925..c161c98954e0 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -532,10 +532,10 @@ dbUpdatePMap(struct inode *ipbmap, lastlblkno = lblkno; + LOGSYNC_LOCK(log, flags); if (mp->lsn != 0) { /* inherit older/smaller lsn */ ...
05e3beb288183f9176c5fba18fae43d348cc5523
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3403): Workaround to fix initialization for Nexus CA
Problem Details: Workaround for Nexus CA: Debi test fails unless first debi write is repeated. Signed-off-by: Marco Schluessler <marco@lordzodiac.de> Signed-off-by: Oliver Endriss <o.endriss@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
```diff diff --git a/drivers/media/dvb/ttpci/av7110_hw.c b/drivers/media/dvb/ttpci/av7110_hw.c index b2e63e9fc053..0bb6e74ae7f0 100644 --- a/drivers/media/dvb/ttpci/av7110_hw.c +++ b/drivers/media/dvb/ttpci/av7110_hw.c @@ -245,6 +245,9 @@ int av7110_bootarm(struct av7110 *av7110) /* test DEBI */ iwdebi(av7110, DE...
0785c87af1d1b6106b14c85f1267be8543f11d00
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3409): Kconfig: fix in-kernel build for cx88-dvb: zl10353 frontend
Problem Details: - VIDEO_CX88_DVB_ALL_FRONTENDS should select DVB_ZL10353 - created VIDEO_CX88_DVB_ZL10353, for selective zl10353 support in cx88-dvb. Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
```diff diff --git a/drivers/media/video/cx88/Kconfig b/drivers/media/video/cx88/Kconfig index e99dfbbf3e95..b52a243c357e 100644 --- a/drivers/media/video/cx88/Kconfig +++ b/drivers/media/video/cx88/Kconfig @@ -50,6 +50,7 @@ config VIDEO_CX88_DVB_ALL_FRONTENDS depends on VIDEO_CX88_DVB select DVB_MT352 select VID...
9f3319b49cc793b9da06ca57cc8740e3a8e88d1d
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3403): Workaround to fix initialization for Nexus CA
Problem Details: Workaround for Nexus CA: Debi test fails unless first debi write is repeated. Signed-off-by: Marco Schluessler <marco@lordzodiac.de> Signed-off-by: Oliver Endriss <o.endriss@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
```diff diff --git a/drivers/media/dvb/ttpci/av7110_hw.c b/drivers/media/dvb/ttpci/av7110_hw.c index 3c5366d15a8a..75736f2fe838 100644 --- a/drivers/media/dvb/ttpci/av7110_hw.c +++ b/drivers/media/dvb/ttpci/av7110_hw.c @@ -245,6 +245,9 @@ int av7110_bootarm(struct av7110 *av7110) /* test DEBI */ iwdebi(av7110, DE...
2d6b5f6257a11d66d2f1e335180e8aca16704294
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3401): Coding style fixes in saa7134-dvb.c
Problem Details: deleted 2 semicolons at end of functions Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
```diff diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c index ad34eb5b17cb..86cfdb8514cb 100644 --- a/drivers/media/video/saa7134/saa7134-dvb.c +++ b/drivers/media/video/saa7134/saa7134-dvb.c @@ -814,7 +814,7 @@ static int philips_tiger_pll_set(struct dvb_frontend *fe,...
293cdaba3f6663f630bcb85077206e55b581ed67
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3400): Fixes for Lifeview Trio non fatal bugs
Problem Details: - Init message was sent to wrong slave address - Deleted outdated comment Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
```diff diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index f156650960c2..ea2fa0d18927 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -2624,7 +2624,7 @@ struct saa7134_board saa7134_boards[] = { .t...
1bd79336a426c5e4f3bab142407059ceb12cadf9
Analyze and fix the following issue in the Linux kernel code: powerpc: Fix various syscall/signal/swapcontext bugs
Problem Details: A careful reading of the recent changes to the system call entry/exit paths revealed several problems, plus some things that could be simplified and improved: * 32-bit wasn't testing the _TIF_NOERROR bit in the syscall fast exit path, so it was only doing anything with it once it saw some other bi...
```diff diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 840aad43a98b..c9a660e4c2db 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -92,7 +92,6 @@ int main(void) DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); DEFINE(TI_PREEM...
ea0e92a613a1caf85583c83cd131cef7d0f5571d
Analyze and fix the following issue in the Linux kernel code: [IA64] Increase severity of MCA recovery messages
Problem Details: The MCA recovery messages are currently KERN_DEBUG, so they don't show up in /var/log/messages (by default). Increase the severity to KERN_ERR, for the initial message (and also add the physical address to this message). Leave the successful isolation message as KERN_DEBUG, but increase the severity wh...
```diff diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c index 8fd93afa75a7..53ffb0633c70 100644 --- a/arch/ia64/kernel/mca_drv.c +++ b/arch/ia64/kernel/mca_drv.c @@ -123,8 +123,9 @@ mca_page_isolate(unsigned long paddr) void mca_handler_bh(unsigned long paddr) { - printk(KERN_DEBUG "OS_MCA: proc...
850a9a4e3c019ce67e3bc29c810ac213ec4c169e
Analyze and fix the following issue in the Linux kernel code: [NETFILTER] ip_queue: Fix wrong skb->len == nlmsg_len assumption
Problem Details: The size of the skb carrying the netlink message is not equivalent to the length of the actual netlink message due to padding. ip_queue matches the length of the payload against the original packet size to determine if packet mangling is desired, due to the above wrong assumption arbitary packets may n...
```diff diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c index 36339eb39e17..08f80e2ea2aa 100644 --- a/net/ipv4/netfilter/ip_queue.c +++ b/net/ipv4/netfilter/ip_queue.c @@ -524,7 +524,7 @@ ipq_rcv_skb(struct sk_buff *skb) write_unlock_bh(&queue_lock); status = ipq_receive_peer(NLMSG_DAT...
c4432c41b0c74d770ebc5e0a4fc3df3d00dfc131
Analyze and fix the following issue in the Linux kernel code: [SERIAL] ip22zilog: Fix oops on runlevel change with serial console
Problem Details: Incorrect uart_write_wakeup() calls cause reference to a NULL tty pointer. This has been fixed in the sunsab and sunzilog serial drivers in October 2005. Update the ip22zilog, which is based on sunzilog, accordingly. Signed-off-by: Martin Michlmayr <tbm@cyrius.com> Signed-off-by: Russell King <rmk+k...
```diff diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c index 419dd3cd7862..193722d680cf 100644 --- a/drivers/serial/ip22zilog.c +++ b/drivers/serial/ip22zilog.c @@ -420,10 +420,8 @@ static void ip22zilog_transmit_chars(struct uart_ip22zilog_port *up, if (up->port.info == NULL) goto ack_tx_int...
bb8047d3540affd6b8c2adac3fe792e07143be0f
Analyze and fix the following issue in the Linux kernel code: NTFS: Fix two compiler warnings on Alpha. Thanks to Andrew Morton for
Problem Details: reporting them. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
```diff diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c index b0690d4c8906..9d9ed3fe371d 100644 --- a/fs/ntfs/dir.c +++ b/fs/ntfs/dir.c @@ -1136,7 +1136,7 @@ static int ntfs_readdir(struct file *filp, void *dirent, filldir_t filldir) if (fpos == 1) { ntfs_debug("Calling filldir for .. with len 2, fpos 0x1, " "inod...
72f2afb8a6858edd9335cd158eb21053a0c2c39a
Analyze and fix the following issue in the Linux kernel code: [TG3]: Add DMA address workaround
Problem Details: Add DMA workaround for chips that do not support full 64-bit DMA addresses. 5714, 5715, and 5780 chips only support DMA addresses less than 40 bits. On 64-bit systems with IOMMU, set the dma_mask to 40-bit so that pci_map_xxx() calls will map the DMA address below 40 bits if necessary. On 64-bit syste...
```diff diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index e8e92c853e89..15545620ab0e 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -3532,9 +3532,23 @@ static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len) (base + len + 8 < base)); } +/* Test for DMA addresses > 40-bit */ +static i...
de1d9c033f32ce39bf60e25be3b8624225fa9181
Analyze and fix the following issue in the Linux kernel code: [PATCH] s390: fix match in ccw modalias
Problem Details: Fix matching of devmodel in modaliases. It breaks automatic loading of any dasd module. Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus T...
```diff diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index be97caf664bb..c164b230ad6f 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -246,7 +246,7 @@ static int do_ccw_entry(const char *filename, id->cu_model); ADD(alias, "dt", id->match_flags&CCW_DEVICE_ID_MATCH_DEV...
cdd440fe9f2e83b1e268148647126440799b71fc
Analyze and fix the following issue in the Linux kernel code: [PATCH] windfarm license fix
Problem Details: The Windfarm PID module lacks a licence, it should be GPL, here it is Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/macintosh/windfarm_pid.c b/drivers/macintosh/windfarm_pid.c index 0842432e27ad..f10efb28cae4 100644 --- a/drivers/macintosh/windfarm_pid.c +++ b/drivers/macintosh/windfarm_pid.c @@ -143,3 +143,7 @@ s32 wf_cpu_pid_run(struct wf_cpu_pid_state *st, s32 new_power, s32 new_temp) return st->tar...
ad820c5dd47dff9397ef1e94388bc6577983f68b
Analyze and fix the following issue in the Linux kernel code: [PATCH] smaps: shared fix
Problem Details: The point of the smaps "shared" is to count the number of pages that are mapped by more than one process, according to Mauricio Lin. However, smaps uses page_count for this, so it will return a false positive for every page that is mapped by just that one process, which is also in pagecache or swapcac...
```diff diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 35787f907f12..91b7c15ab373 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -204,7 +204,6 @@ static void smaps_pte_range(struct vm_area_struct *vma, pmd_t *pmd, { pte_t *pte, ptent; spinlock_t *ptl; - unsigned long pfn; struct page *pa...
5ddfae16bddb12104fff63c36fb5901f1a3729fc
Analyze and fix the following issue in the Linux kernel code: [PATCH] smaps: hugepages fix
Problem Details: smaps doesn't have a hugepage pagetable walker. Skip walking hugepage vmas. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 0eaad41f4658..35787f907f12 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -289,7 +289,7 @@ static int show_smap(struct seq_file *m, void *v) struct mem_size_stats mss; memset(&mss, 0, sizeof mss); - if (vma->vm_mm) + if (vma->vm_mm &&...
e8c3b5a6faf50b426cd8d06912a52e24837a73ad
Analyze and fix the following issue in the Linux kernel code: [PATCH] EFI: Fix gdt load
Problem Details: This patch makes the kernel bootable again on ia32 EFI systems. Signed-off-by: Edgar Hucek <hostmaster@ed-soft.at> Cc: Matt Domsch <Matt_Domsch@dell.com> Cc: Zachary Amsden <zach@vmware.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/arch/i386/kernel/efi.c b/arch/i386/kernel/efi.c index e3e42fd62401..c9cad7ba0d2d 100644 --- a/arch/i386/kernel/efi.c +++ b/arch/i386/kernel/efi.c @@ -70,10 +70,13 @@ static void efi_call_phys_prelog(void) { unsigned long cr4; unsigned long temp; + struct Xgt_desc_struct *cpu_gdt_descr; spi...
397874dfe9862b494e1fdcd2baef4ac432d224c8
Analyze and fix the following issue in the Linux kernel code: [PATCH] numa_maps update
Problem Details: Change the format of numa_maps to be more compact and contain additional information that is useful for managing and troubleshooting memory on a NUMA system. Numa_maps can now also support huge pages. Fixes: 1. More compact format. Only display fields if they contain additional information. 2. Alw...
```diff diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 1a210088ad80..d80fa7d8f720 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -197,7 +197,7 @@ static struct mempolicy *mpol_new(int mode, nodemask_t *nodes) return policy; } -static void gather_stats(struct page *, void *); +static void gather_stats(stru...
2fbf182ed00a71c35e53329c2010df2baf8a89c6
Analyze and fix the following issue in the Linux kernel code: [PATCH] alsa: fix error paths in snd_ctl_elem_add()
Problem Details: Fix bugs in error paths of snd_ctl_elem_add() - NULL reference - double free (already freed in snd_ctl_add()) Signed-off-by: Takashi Iwai <tiwai@suse.de> Cc: Jaroslav Kysela <perex@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/sound/core/control.c b/sound/core/control.c index abd62f943726..0c29679a8576 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -959,17 +959,15 @@ static int snd_ctl_elem_add(struct snd_ctl_file *file, kctl.private_free = snd_ctl_elem_user_free; _kctl = snd_ctl_new(&kctl, access); ...
78679302fe428f4f3dc853a51ee24f306010d874
Analyze and fix the following issue in the Linux kernel code: [PATCH] memory-hotplug compile fix
Problem Details: include/linux/memory_hotplug.h:53: warning: 'struct page' declared inside parameter list (akpm: I tossed in a couple more possibly-needed-sometime struct decls too) Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torv...
```diff diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index 01f03bc06eff..968b1aa3732c 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -6,6 +6,10 @@ #include <linux/mmzone.h> #include <linux/notifier.h> +struct page; +struct zone; +struct pglist_dat...
5c8338904653365bfb92385b38915becb903d8bb
Analyze and fix the following issue in the Linux kernel code: [PATCH] s390: fix compile with VIRT_CPU_ACCOUNTING=n
Problem Details: When CONFIG_VIRT_CPU_ACCOUNTING is not defined compiling fails with an undefined reference to account_vtime(). Signed-off-by: Jan Blunck <jblunck@suse.de> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osd...
```diff diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h index b2e65e8bf812..6a89dbb03c1e 100644 --- a/include/asm-s390/system.h +++ b/include/asm-s390/system.h @@ -118,6 +118,8 @@ static inline void sched_cacheflush(void) extern void account_vtime(struct task_struct *); extern void account_tick_vti...
69239749e1ac4f3496906aa4267cb9f61ce52c9c
Analyze and fix the following issue in the Linux kernel code: [PATCH] fix next_timer_interrupt() for hrtimer
Problem Details: Also from Thomas Gleixner <tglx@linutronix.de> Function next_timer_interrupt() got broken with a recent patch 6ba1b91213e81aa92b5cf7539f7d2a94ff54947c as sys_nanosleep() was moved to hrtimer. This broke things as next_timer_interrupt() did not check hrtimer tree for next event. Function next_timer_i...
```diff diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c index d7d932c02866..d6bd435a6857 100644 --- a/arch/arm/kernel/time.c +++ b/arch/arm/kernel/time.c @@ -422,12 +422,14 @@ static int timer_dyn_tick_disable(void) void timer_dyn_reprogram(void) { struct dyn_tick_timer *dyn_tick = system_timer->dyn_ti...
f7c09bd972b7111b8c69bf57a189571edd4d4a7d
Analyze and fix the following issue in the Linux kernel code: [PATCH] x86: fix potential jiffies overflow in timer_resume()
Problem Details: i386 timer_resume is updating jiffies, not jiffies_64. It looks there is a potential overflow problem. And jiffies_64 and wall_jiffies should be protected by xtime_lock. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: john stultz <johnstul@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl....
```diff diff --git a/arch/i386/kernel/time.c b/arch/i386/kernel/time.c index a14d594bfbeb..9d3074759856 100644 --- a/arch/i386/kernel/time.c +++ b/arch/i386/kernel/time.c @@ -412,9 +412,9 @@ static int timer_resume(struct sys_device *dev) write_seqlock_irqsave(&xtime_lock, flags); xtime.tv_sec = sec; xtime.tv_nse...
b05121b29e8af45ccb424bf71dadc1d04bd23f03
Analyze and fix the following issue in the Linux kernel code: [PATCH] i4l: fix compatiblity issue with big endian systems
Problem Details: This patch fix some compatiblity issues with big endian systems Signed-off-by: Martin Bachem <info@colognechip.com> Signed-off-by: Karsten Keil <kkeil@suse.de> Cc: Al Viro <viro@ftp.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/isdn/hisax/hfc_usb.c b/drivers/isdn/hisax/hfc_usb.c index ca5b4a3b683e..262c44127419 100644 --- a/drivers/isdn/hisax/hfc_usb.c +++ b/drivers/isdn/hisax/hfc_usb.c @@ -1,7 +1,7 @@ /* * hfc_usb.c * - * $Id: hfc_usb.c,v 4.36 2005/04/08 09:55:13 martinb1 Exp $ + * $Id: hfc_usb.c,v 2.3.2.13 ...
7cb9478f0d5b2424af974646dcbe10ce7c19b550
Analyze and fix the following issue in the Linux kernel code: [PATCH] i4l: fix refcounting problem with ttyIx devices
Problem Details: If the same ttyIx device was opened by two processes the module was not released and so the usage count went never to zero again. This oneliner fixes the issue. Signed-off-by: Oskar Senft <o.senft@sirrix.com> Signed-off-by: Karsten Keil <kkeil@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Sig...
```diff diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c index 393633681f49..aeaa1db74bd8 100644 --- a/drivers/isdn/i4l/isdn_tty.c +++ b/drivers/isdn/i4l/isdn_tty.c @@ -1682,6 +1682,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp) #ifdef ISDN_DEBUG_MODEM_OPEN printk(KERN_DEBUG "i...
ff3aea0e68bfd46120ce2d08bc1f8240fa2bd36a
Analyze and fix the following issue in the Linux kernel code: [PATCH] cramfs mounts provide corrupted content since 2.6.15
Problem Details: Fix handling of cramfs images created by util-linux containing empty regular files. Images created by cramfstools 1.x were ok. Fill out inode contents in cramfs_iget5_set() instead of get_cramfs_inode() to prevent issues if cramfs_iget5_test() is called with I_LOCK|I_NEW still set. Signed-off-by: Da...
```diff diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c index 7fe85415ae7c..8ad52f5bf255 100644 --- a/fs/cramfs/inode.c +++ b/fs/cramfs/inode.c @@ -36,7 +36,7 @@ static DECLARE_MUTEX(read_mutex); /* These two macros may change in future, to provide better st_ino semantics. */ -#define CRAMINO(x) ((x)->offset?...
9888e6fa7b68d9c8cc2c162a90979825ab45150a
Analyze and fix the following issue in the Linux kernel code: slab: clarify and fix calculate_slab_order()
Problem Details: If we triggered the 'offslab_limit' test, we would return with cachep->gfporder incremented once too many times. This clarifies the logic somewhat, and fixes that bug. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/mm/slab.c b/mm/slab.c index 2b0b1519bb74..f2e92dc1c9ce 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1628,36 +1628,36 @@ static inline size_t calculate_slab_order(struct kmem_cache *cachep, size_t size, size_t align, unsigned long flags) { size_t left_over = 0; + int gfporder; - for (;; cache...
91c0bce29e4050a59ee5fdc1192b60bbf8693a6d
Analyze and fix the following issue in the Linux kernel code: [PATCH] USB Serial: fix use-after-free bug in usb-serial core
Problem Details: This fixes a use-after-free bug in the usb-serial core. It is simple to trigger this (open a usb-serial port, then yank the device out before closing the port.) Thanks to Stefan Seyfried <seife@suse.de> for reporting this, and to the slab debugging code which enabled it to be tracked down. Signed-of...
```diff diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 4dd6865d32b0..b5c96e74a903 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -242,8 +242,10 @@ static void serial_close(struct tty_struct *tty, struct file * filp) down(&port->sem); - i...
264132bc62fe071d0ff378c1103bae9d33212f10
Analyze and fix the following issue in the Linux kernel code: Fix "check_slabp" printout size calculation
Problem Details: We want to use the "struct slab" size, not the size of the pointer to same. As it is, we'd not print out the last <n> entry pointers in the slab (where <n> is ~10, depending on whether it's a 32-bit or 64-bit kernel). Gaah, that slab code was written by somebody who likes unreadable crud. Signed-off...
```diff diff --git a/mm/slab.c b/mm/slab.c index add05d808a4a..2b0b1519bb74 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -2554,7 +2554,7 @@ static void check_slabp(struct kmem_cache *cachep, struct slab *slabp) "slab: Internal list corruption detected in cache '%s'(%d), slabp %p(%d). Hexdump:\n", cache...
2d66806d740eeb410aa785bd7fba3bd24bb082c1
Analyze and fix the following issue in the Linux kernel code: [PATCH] chelsio: fix kmalloc failure in t1_espi_create
Problem Details: memset() is called before check. Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
```diff diff --git a/drivers/net/chelsio/espi.c b/drivers/net/chelsio/espi.c index 230642571c92..e824acaf188a 100644 --- a/drivers/net/chelsio/espi.c +++ b/drivers/net/chelsio/espi.c @@ -296,9 +296,7 @@ void t1_espi_destroy(struct peespi *espi) struct peespi *t1_espi_create(adapter_t *adapter) { - struct peespi *es...
286fc8f8ea7ef58b54f150fc900ce019af483e89
Analyze and fix the following issue in the Linux kernel code: [SCSI] lpfc: minor syntax fixes
Problem Details: Stop gcc complaining about undefined variables Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
```diff diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 71d2c8d3b001..a2e15436730e 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -948,10 +948,12 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp) "10-port ", "PCIe...
b808608bd7afdf1b0a2eb096ff2b5b93781fdbb6
Analyze and fix the following issue in the Linux kernel code: [PATCH] lpfc 8.1.3: Fix polling mode panic
Problem Details: Fix polling mode panic Cause: Race between interrupt driven and polling path in harvesting iocbs from the response ring. Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
```diff diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 094f18f1fa05..f93799873721 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -467,6 +467,11 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, sdev = cmd->device; cmd->...
5fe9f5119378e75986ad90c783a7e085bf67703a
Analyze and fix the following issue in the Linux kernel code: [PATCH] lpfc 8.1.3: Fix deadlock in lpfc_fdmi_tmo_handler
Problem Details: Fix deadlock in lpfc_fdmi_tmo_handler lpfc_fdmi_tmo_handler was calling lpfc_fdmi_cmd with the host_lock held. lpfc_fdmi_cmd assumes the host_lock is released as it calls functions that acquire the host_lock. lpfc_fdmi_tmo_handler acquired the host_lock to protect access to work_hba_events. This wa...
```diff diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index f3b280313a74..b65ee57af53e 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -1166,11 +1166,6 @@ lpfc_fdmi_tmo_handler(struct lpfc_hba *phba) { struct lpfc_nodelist *ndlp; - spin_lock_irq(phba->host->ho...
cf5bf97e1d28651fd689be9c974b2318ac262f2d
Analyze and fix the following issue in the Linux kernel code: [PATCH] lpfc 8.1.3: Fix performance when using multiple SLI rings
Problem Details: Fix performance when using multiple SLI rings Currently the driver allocates all of its SLI command and response ring entries to one primary ring. Other rings get little, or no, resources. Allow more resources to be given to ring 1 Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off...
```diff diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index c4cca9124f45..2f67a8a92599 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -293,6 +293,7 @@ struct lpfc_hba { uint32_t cfg_link_speed; uint32_t cfg_cr_delay; uint32_t cfg_cr_count; + uint32_t cfg_multi_ring_supp...
4f1933620f57145212cdbb1ac6ce099eeeb21c5a
Analyze and fix the following issue in the Linux kernel code: kbuild: change kbuild to not rely on incorrect GNU make behavior
Problem Details: The kbuild system takes advantage of an incorrect behavior in GNU make. Once this behavior is fixed, all files in the kernel rebuild every time, even if nothing has changed. This patch ensures kbuild works with both the incorrect and correct behaviors of GNU make. For more details on the incorrect be...
```diff diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile index 1c955883cf58..2c6f66dea650 100644 --- a/Documentation/DocBook/Makefile +++ b/Documentation/DocBook/Makefile @@ -28,7 +28,7 @@ PS_METHOD = $(prefer-db2x) ### # The targets that may be used. -.PHONY: xmldocs sgmldocs psdocs pdf...
7a171cdcb6ce82cc5e4bd7cb8eab172a43395f87
Analyze and fix the following issue in the Linux kernel code: [SERIAL] Fix two bugs in parport_serial
Problem Details: Steinar H. Gunderson reported: - For some reason, it detects the 9845 as a 9735 -- it appears this is simply related to the ordering in parport_serial_pci_tbl[]. If we move the 9845 up above the 9735, it prints out 9710:9845, but no change in behaviour. (We didn't find out why this was t...
```diff diff --git a/drivers/parport/parport_serial.c b/drivers/parport/parport_serial.c index 166de3507780..10845253c9e0 100644 --- a/drivers/parport/parport_serial.c +++ b/drivers/parport/parport_serial.c @@ -312,8 +312,7 @@ static int __devinit parport_register (struct pci_dev *dev, { struct parport_pc_pci *card;...
fbfda6e71bbdd3b4d41a56c3f20f31762c455a5e
Analyze and fix the following issue in the Linux kernel code: [PATCH] sata_sil24: fix mwdma_mask setting
Problem Details: mwdma_mask was not copied from port_info to probe_ent. Fix it. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
```diff diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c index 5c5822e33a49..8fb62427be84 100644 --- a/drivers/scsi/sata_sil24.c +++ b/drivers/scsi/sata_sil24.c @@ -892,6 +892,7 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) probe_ent->sht = pinfo->sht; probe_...
7b75b13cda8bd21e8636ea985f76e1ce5bd1a470
Analyze and fix the following issue in the Linux kernel code: kbuild: when warning symbols exported twice now tell user this is the problem
Problem Details: Warning now looks like this: WARNING: vmlinux: 'strcpy' exported twice. Previous export was in vmlinux Which gives much better hint how to fix it. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
```diff diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 3648683a26c5..e2bf4c927dd3 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -191,7 +191,7 @@ static struct symbol *sym_add_exported(const char *name, struct module *mod) s = new_symbol(name, mod); } else { if (!s->preloade...
f6ecebd6592ea70e9450ec70efb24220dd961ebc
Analyze and fix the following issue in the Linux kernel code: kbuild: fix make dir/file.xx when asm symlink is missing
Problem Details: Added a dependency so we do full preparation before trying to build single file targets. This fixes a case where Andrew Morton did: make kernel/sched.o rm include/asm make kernel/sched.o -> splat Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
```diff diff --git a/Makefile b/Makefile index ce2bfbdeb96c..12c8d7147773 100644 --- a/Makefile +++ b/Makefile @@ -1289,17 +1289,17 @@ kernelversion: # --------------------------------------------------------------------------- # The directory part is taken from first prerequisite, so this # works even with external...
e835a39c1c1f023ef443f735b0e98b08660ae0e4
Analyze and fix the following issue in the Linux kernel code: kbuild: fix section mismatch check for unwind on IA64
Problem Details: Parameters to strstr() was reversed. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
```diff diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index c4dc1d72d02e..3b570b18c2e4 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -776,7 +776,7 @@ static int init_section_ref_ok(const char *name) if (strncmp(*s, name, strlen(*s)) == 0) return 1; for (s = namelist3; *s; s++) ...
8ff69732d484ea9ccbf242cc49b4fe9538e64c71
Analyze and fix the following issue in the Linux kernel code: [CPUFREQ] Fix handling for CPU hotplug
Problem Details: This patch adds proper logic to cpufreq driver in order to handle CPU Hotplug. When CPUs go on/offline, the affected CPUs data, cpufreq_policy->cpus, is not updated properly. This causes sysfs directories and symlinks to be in an incorrect state after few CPU on/offlines. Signed-off-by: Jacob Shin <j...
```diff diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index cb7d6e0db759..aed80e6aec6d 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -6,6 +6,8 @@ * * Oct 2005 - Ashok Raj <ashok.raj@intel.com> * Added handling for CPU hotplug + * Feb 2006 - Jacob Shin <jacob.shin...
c09966608da7e8cad3468e925ac9062e44fee831
Analyze and fix the following issue in the Linux kernel code: [DCCP] ccid3: Divide by zero fix
Problem Details: In rare circumstances 0 is returned by dccp_li_hist_calc_i_mean which leads to a divide by zero in ccid3_hc_rx_packet_recv. Explicitly check for zero return now. Update copyright notice at same time. Found by Arnaldo. Signed-off-by: Ian McDonald <imcdnzl@gmail.com> Signed-off-by: Arnaldo Carvalho de ...
```diff diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c index aa68e0ab274d..35d1d347541c 100644 --- a/net/dccp/ccids/ccid3.c +++ b/net/dccp/ccids/ccid3.c @@ -2,7 +2,7 @@ * net/dccp/ccids/ccid3.c * * Copyright (c) 2005 The University of Waikato, Hamilton, New Zealand. - * Copyright (c) 2005 Ian McD...
c027f5f995d8b6efc934be384085e3e8425638e4
Analyze and fix the following issue in the Linux kernel code: [ATM]: [fore200e] fix section mismatch warnings
Problem Details: Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c index 14f6a6201da3..05983a312d50 100644 --- a/drivers/atm/fore200e.c +++ b/drivers/atm/fore200e.c @@ -555,7 +555,7 @@ fore200e_pca_reset(struct fore200e* fore200e) } -static int __init +static int __devinit fore200e_pca_map(struct fore200e* fore...
d32439c0d4cec5c4101477989ee8c7ee1ebfbb0e
Analyze and fix the following issue in the Linux kernel code: [BRIDGE]: port timer initialization
Problem Details: Initialize the STP timers for a port when it is created, rather than when it is enabled. This will prevent future race conditions where timer gets started before port is enabled. Signed-off-by: Stephen Hemminger <shemmigner@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 8b38c839d539..879b54ed2b4e 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -277,8 +277,9 @@ static struct net_bridge_port *new_nbp(struct net_bridge *br, br_init_port(p); p->state = BR_STATE_DISABLED; INIT_WORK(&p->carrier_check, port_...
6e86b89084a60355f0e1fb876ca0cfbca62ee85c
Analyze and fix the following issue in the Linux kernel code: [BRIDGE]: fix crash in STP
Problem Details: Bridge would crash because of uninitailized timer if STP is used and device was inserted into a bridge before bridge was up. This got introduced when the delayed port checking was added. Fix is to not enable STP on port unless bridge is up. Bugzilla: http://bugzilla.kernel.org/show_bug.cgi?id=6140 Du...
```diff diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 7fa3a5a9971f..8b38c839d539 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -81,26 +81,27 @@ static void port_carrier_check(void *arg) { struct net_device *dev = arg; struct net_bridge_port *p; + struct net_bridge *br; rtnl_lock(); ...
e77e6f3be93763ef88ccbaa9e0ebda5360d92f7c
Analyze and fix the following issue in the Linux kernel code: [CIFS] Always match oplock break (cache notification) to the right tcp
Problem Details: session when multiply mounted. Fixes slow response when cifs client is mounted to shares on multiple servers and oplock break occurs (usually due to attempt to multiply open a file). When treeids on mutiple mounted shares match and we find the wrong match first, we searched for the wrong cached files...
```diff diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 3c03aadaff0c..7b25463d3c14 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -52,7 +52,7 @@ extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *, int * /* type of buf returned */ , const int long_op); extern int...
9209aed0726c77ad13b8d83e73a3cf9f59a8c2b2
Analyze and fix the following issue in the Linux kernel code: kbuild: kill false positives from section mismatch warnings for powerpc
Problem Details: Building an allmodconfig kernel for ppc64 revealed a number of false positives - originally reported by Andrew Morton. This patch removes most if not all false positives for ppc64: Section .opd The .opd section contains function descriptors at least for ppc64. So ignore it for .init.text (was ignored ...
```diff diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 5de3c63091e9..c4dc1d72d02e 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -483,7 +483,7 @@ static int strrcmp(const char *s, const char *sub) * this pattern. * The pattern is identified by: * tosec = .init.data - *...
732b82886017e9ceccb27c8b69e9210d5305088a
Analyze and fix the following issue in the Linux kernel code: [MMC] au1xmmc: Fix a compilation warning ('status' is not used)
Problem Details: Fix a trivial compilation warning: CC drivers/mmc/au1xmmc.o drivers/mmc/au1xmmc.c: In function ‘au1xmmc_dma_callback’: drivers/mmc/au1xmmc.c:743: warning: unused variable ‘status’ Signed-off-by: Martin Michlmayr <tbm@cyrius.com> Acked-by: Martin Michlmayr <tbm@cyrius.com> Signed-off-by: Russel...
```diff diff --git a/drivers/mmc/au1xmmc.c b/drivers/mmc/au1xmmc.c index 4e1c61ae536c..8d84b045bc83 100644 --- a/drivers/mmc/au1xmmc.c +++ b/drivers/mmc/au1xmmc.c @@ -740,7 +740,6 @@ static void au1xmmc_set_ios(struct mmc_host* mmc, struct mmc_ios* ios) static void au1xmmc_dma_callback(int irq, void *dev_id, struct pt...
e142c24cf8f471c2a6cb95a4a26923d9621770ff
Analyze and fix the following issue in the Linux kernel code: [MMC] au1xmmc: Fix linking error because mmc_rsp_type doesn't exist
Problem Details: drivers/mmc/au1xmmc.c doesn't compile because commit e92251762d02a46177d4105d1744041e3f8bc465 introduced a typo and passes the wrong argument to the mmc_resp_type macro. Error because of the typo: CC drivers/mmc/au1xmmc.o drivers/mmc/au1xmmc.c: In function ‘au1xmmc_send_command’: drivers/mmc/a...
```diff diff --git a/drivers/mmc/au1xmmc.c b/drivers/mmc/au1xmmc.c index 15e12be6bef1..4e1c61ae536c 100644 --- a/drivers/mmc/au1xmmc.c +++ b/drivers/mmc/au1xmmc.c @@ -194,7 +194,7 @@ static int au1xmmc_send_command(struct au1xmmc_host *host, int wait, u32 mmccmd = (cmd->opcode << SD_CMD_CI_SHIFT); - switch (mmc_r...
b256f9df4a7da248263ed95c2517ddb714f9ca95
Analyze and fix the following issue in the Linux kernel code: [MMC] au1xmmc: Fix compilation error by using platform_driver
Problem Details: drivers/mmc/au1xmmc.c currently doesn't compile; it needs to be converted to use platform_driver. I cannot test this change because of lack of hardware but I followed the drivers this one is based on, and the code is certainly not worse than before. drivers/mmc/au1xmmc.c: At top level: drivers/mmc/au...
```diff diff --git a/drivers/mmc/au1xmmc.c b/drivers/mmc/au1xmmc.c index 227c39a7c1b4..15e12be6bef1 100644 --- a/drivers/mmc/au1xmmc.c +++ b/drivers/mmc/au1xmmc.c @@ -37,7 +37,7 @@ #include <linux/config.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/device.h> +#include <linux/platform_device....