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f705ab956b3a0377181c9d73b235ad5bf4020937
Analyze and fix the following issue in the Linux kernel code: tipc: limit error messages relating to memory leak to one line
Problem Details: With the default name table size of 1024, it is possible that the sanity check in tipc_nametbl_stop could spam out 1024 essentially identical error messages if memory was corrupted or similar. Limit it to issuing no more than a single message. The actual chain number (i.e. 0 --> 1023) wouldn't provid...
```diff diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c index 13fb9d559ea5..cade0acda4ef 100644 --- a/net/tipc/name_table.c +++ b/net/tipc/name_table.c @@ -940,8 +940,10 @@ void tipc_nametbl_stop(void) /* Verify name table is empty, then release it */ write_lock_bh(&tipc_nametbl_lock); for (i = 0; i < ...
8e95ea49c94908cb10e698c5637d57f0fbdc796d
Analyze and fix the following issue in the Linux kernel code: cfg80211: fix locking and lockdep complaints
Problem Details: To call cfg80211_get_chan_state() we need to lock the wdev, so we need to lock the wdev_iter mutex in cfg80211_can_use_iftype_chan(). This needs to use nested locking for lockdep. Also, cfg80211_get_chan_state() doesn't actually use the rdev, so remove that completely including the lock assertion that...
```diff diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 434c56b92c3c..1cc4b7cc7372 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -103,15 +103,13 @@ int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, } void -cfg80211_get_chan_state(struct cfg80211_registered_device...
d811b3d5566f1441b321a1219c260124b209e0bd
Analyze and fix the following issue in the Linux kernel code: mac80211: fix invalid band deref building preq IEs
Problem Details: The function building probe-request IEs does not validate the band is supported before dereferencing it. This can result in a panic when all bands are traversed, as done during sched-scan start. Warn when this happens and return an empty probe request. Also fix sched-scan to not waste memory on unsupp...
```diff diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 379f178eab5f..1ff04f689d1f 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -928,6 +928,9 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, } for (i = 0; i < IEEE80211_NUM_BANDS; i++) { + if (!local->hw...
10983f2e8dc65d118371681548809109b570b63b
Analyze and fix the following issue in the Linux kernel code: Btrfs: fix typo in convert_extent_bit
Problem Details: It should be convert_extent_bit. Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
```diff diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index c9018a05036e..97f6703fd493 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -933,7 +933,8 @@ int set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end, int bits, /** - * convert_extent - convert all bits in a given range...
ebc35c726298ba3fdebba316a592735268a520bc
Analyze and fix the following issue in the Linux kernel code: ARM: EXYNOS: register devices in 'need_restore' state for pm_domains
Problem Details: Commit ca1d72f033 ('PM / Domains: Make it possible to add devices to inactive domains') introduced possibility to add devices to inactive power domains and added pm_genpd_dev_need_restore() function which lets platform core to notify power domain core that the specified device must be restored (with it...
```diff diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c index 0a952a5c45bd..373c3c00d24c 100644 --- a/arch/arm/mach-exynos/pm_domains.c +++ b/arch/arm/mach-exynos/pm_domains.c @@ -119,7 +119,9 @@ static __init void exynos_pm_add_dev_to_genpd(struct platform_device *pdev, struct...
44a8bdea19dff1abcdc4528e5f7e038b18ee5255
Analyze and fix the following issue in the Linux kernel code: slob: Fix early boot kernel crash
Problem Details: Commit fd3142a59af2012a7c5dc72ec97a4935ff1c5fc6 broke slob since a piece of a change for a later patch slipped into it. Fengguang Wu writes: The commit crashes the kernel w/o any dmesg output (the attached one is created by the script as a summary for that run). This is very reproducible in kvm...
```diff diff --git a/mm/slob.c b/mm/slob.c index 0111e0dece93..45d4ca79933a 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -518,7 +518,7 @@ struct kmem_cache *__kmem_cache_create(const char *name, size_t size, if (c) { c->name = name; - c->size = c->object_size; + c->size = size; if (flags & SLAB_DESTROY_BY_RCU)...
44033109e99cf584d6285226ed521098f5ef7250
Analyze and fix the following issue in the Linux kernel code: SH: Convert out[bwl] macros to inline functions
Problem Details: The macros just called BUG(), but that results in unused variable warnings all over the place, like in the IPMI driver. The build regression emails were annoying me, so here's the fix. I have not even compile tested this, but it's rather obvious. [ port type mangled to unsigned long ] Signed-off-by...
```diff diff --git a/arch/sh/include/asm/io_noioport.h b/arch/sh/include/asm/io_noioport.h index e136d28d1d2e..4d48f1436a63 100644 --- a/arch/sh/include/asm/io_noioport.h +++ b/arch/sh/include/asm/io_noioport.h @@ -19,9 +19,20 @@ static inline u32 inl(unsigned long addr) return -1; } -#define outb(x, y) BUG() -#de...
766e6a4ec602d0c107553b91b3434fe9c03474f4
Analyze and fix the following issue in the Linux kernel code: clk: add DT clock binding support
Problem Details: Based on work 1st by Ben Herrenschmidt and Jeremy Kerr, then by Grant Likely, this patch adds support to clk_get to allow drivers to retrieve clock data from the device tree. Platforms scan for clocks in DT with of_clk_init and a match table, and the register a provider through of_clk_add_provider. Th...
```diff diff --git a/Documentation/devicetree/bindings/clock/clock-bindings.txt b/Documentation/devicetree/bindings/clock/clock-bindings.txt new file mode 100644 index 000000000000..eb65d417f8c4 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/clock-bindings.txt @@ -0,0 +1,117 @@ +This binding is a work-in-p...
2100844ca9d7055d5cddce2f8ed13af94c01f85b
Analyze and fix the following issue in the Linux kernel code: tcp: Fix out of bounds access to tcpm_vals
Problem Details: The recent patch "tcp: Maintain dynamic metrics in local cache." introduced an out of bounds access due to what appears to be a typo. I believe this change should resolve the issue by replacing the access to RTAX_CWND with TCP_METRIC_CWND. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>...
```diff diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c index 1fd83d3118fe..5a38a2d5a95b 100644 --- a/net/ipv4/tcp_metrics.c +++ b/net/ipv4/tcp_metrics.c @@ -412,7 +412,7 @@ void tcp_update_metrics(struct sock *sk) max(tp->snd_cwnd >> 1, tp->snd_ssthresh)); if (!tcp_metric_locked(tm, TCP_MET...
aaf3ee4f80960eecccdd94a6b44b41c6af6c14d3
Analyze and fix the following issue in the Linux kernel code: staging: ft1000: Fix typo in ft1000_usb.c
Problem Details: Correct spelling typo within debug message of ft1000_usb.c Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c b/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c index 7bd7fb2f3b15..e8c4a4e5ac6d 100644 --- a/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c +++ b/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c @@ -237,7 +237,7 @@ static void ft1000_disconnect(struct ...
3bcc24601626a1e3e8a66577f735185141edd206
Analyze and fix the following issue in the Linux kernel code: Staging: xgifb: Fix coding style.
Problem Details: Fix small coding style warnings in several files. Signed-off-by: Miguel Gómez <magomez@igalia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c index e5657ffa4cd0..0f49a2104d40 100644 --- a/drivers/staging/xgifb/XGI_main_26.c +++ b/drivers/staging/xgifb/XGI_main_26.c @@ -590,7 +590,8 @@ static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info, <...
e123e46630d0dec5d16d392bb83a8fa40d2e773d
Analyze and fix the following issue in the Linux kernel code: Staging: xgifb: Rework some conditions in XGI_SetCRT2ModeRegs().
Problem Details: Rework some conditions to reduce indentation and fix style warnings. Signed-off-by: Miguel Gómez <magomez@igalia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c index 53135c545965..01a3ef394ba0 100644 --- a/drivers/staging/xgifb/vb_setmode.c +++ b/drivers/staging/xgifb/vb_setmode.c @@ -5990,60 +5990,49 @@ static void XGI_SetCRT2ModeRegs(unsigned short ModeNo, tempah = 0x08; tempbl ...
b1bf998c67e37dba950293029bc2872e3cdb3b33
Analyze and fix the following issue in the Linux kernel code: Staging: xgifb: Rework conditions in XGI_EnableBridge().
Problem Details: Rework some conditions to reduce indentation and fix style warnings. Signed-off-by: Miguel Gómez <magomez@igalia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c index 5b2c35af4aa3..53135c545965 100644 --- a/drivers/staging/xgifb/vb_setmode.c +++ b/drivers/staging/xgifb/vb_setmode.c @@ -6472,32 +6472,24 @@ static void XGI_EnableBridge(struct xgifb_video_info *xgifb_info, if (!(pVBInf...
470c533896e540b2848d4e0a9d7a1cf56634f565
Analyze and fix the following issue in the Linux kernel code: Staging: xgifb: Rework conditions in XGI_SetLockRegs().
Problem Details: Rework some conditions to reduce indentation and fix style warnings. Signed-off-by: Miguel Gómez <magomez@igalia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c index a7ba99f42a68..5b2c35af4aa3 100644 --- a/drivers/staging/xgifb/vb_setmode.c +++ b/drivers/staging/xgifb/vb_setmode.c @@ -4039,24 +4039,16 @@ static void XGI_SetLockRegs(unsigned short ModeNo, unsigned short ModeIdIndex, ...
f93173515f809fbcf251a3b1742e8659cc75dd74
Analyze and fix the following issue in the Linux kernel code: Staging: xgifb: Rework conditions in XGI_GetVBInfo().
Problem Details: Rework some conditions to reduce indentation and fix style warnings. Signed-off-by: Miguel Gómez <magomez@igalia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c index 251145ea0f39..9dfc2deacd0a 100644 --- a/drivers/staging/xgifb/vb_setmode.c +++ b/drivers/staging/xgifb/vb_setmode.c @@ -2611,186 +2611,183 @@ static void XGI_GetVBInfo(unsigned short ModeNo, unsigned short ModeIdIndex, ...
7eec23a7b3dd0bcb9b64c0627b317464765e2426
Analyze and fix the following issue in the Linux kernel code: Staging: xgifb: Refactor XGI_GetVBType().
Problem Details: Refactor XGI_GetVBType() to reduce indentation and fix style warnings. Signed-off-by: Miguel Gómez <magomez@igalia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c index 03edf36e18df..251145ea0f39 100644 --- a/drivers/staging/xgifb/vb_setmode.c +++ b/drivers/staging/xgifb/vb_setmode.c @@ -2559,42 +2559,45 @@ void XGI_GetVBType(struct vb_device_info *pVBInfo) { unsigned short flag, temp...
3b175621a217a354a0f38172381f8f88fe7a59be
Analyze and fix the following issue in the Linux kernel code: Staging: xgifb: Refactor XGI_AjustCRT2Rate().
Problem Details: Refactor some conditions to reduce indentation and fix style warnings. Signed-off-by: Miguel Gómez <magomez@igalia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c index 4b49705c04c4..03edf36e18df 100644 --- a/drivers/staging/xgifb/vb_setmode.c +++ b/drivers/staging/xgifb/vb_setmode.c @@ -250,48 +250,30 @@ static unsigned char XGI_AjustCRT2Rate(unsigned short ModeNo, if (pVBInfo->VBInf...
661a6384f85fd2229b4e14229d5479ab1a1c1322
Analyze and fix the following issue in the Linux kernel code: Staging: xgifb: Rework conditions in XGI_SetATTRegs().
Problem Details: Rework some conditions to reduce indentation and fix style warnings. Signed-off-by: Miguel Gómez <magomez@igalia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c index 3ba3c48a5696..4b49705c04c4 100644 --- a/drivers/staging/xgifb/vb_setmode.c +++ b/drivers/staging/xgifb/vb_setmode.c @@ -161,18 +161,15 @@ static void XGI_SetATTRegs(unsigned short ModeNo, for (i = 0; i <= 0x13; i++) {...
be25aef0ca638ea798fdb836291b2d5e5fe555ed
Analyze and fix the following issue in the Linux kernel code: Staging: xgifb: Improve debug strings.
Problem Details: Signed-off-by: Miguel Gómez <magomez@igalia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c index 0307ecac0ef8..d5c87eae5cf4 100644 --- a/drivers/staging/xgifb/XGI_main_26.c +++ b/drivers/staging/xgifb/XGI_main_26.c @@ -39,14 +39,14 @@ static void dumpVGAReg(void) for (i = 0; i < 0x4f; i++) { reg = xgifb_reg_...
29f6738609e40227dabcc63bfb3b84b3726a75bd
Analyze and fix the following issue in the Linux kernel code: memblock: free allocated memblock_reserved_regions later
Problem Details: memblock_free_reserved_regions() calls memblock_free(), but memblock_free() would double reserved.regions too, so we could free the old range for reserved.regions. Also tj said there is another bug which could be related to this. | I don't think we're saving any noticeable | amount by doing this "fre...
```diff diff --git a/include/linux/memblock.h b/include/linux/memblock.h index a6bb10235148..19dc455b4f3d 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -50,9 +50,7 @@ phys_addr_t memblock_find_in_range_node(phys_addr_t start, phys_addr_t end, phys_addr_t size, phys_addr_t align, int nid);...
99ab7b19440a72ebdf225f99b20f8ef40decee86
Analyze and fix the following issue in the Linux kernel code: mm: sparse: fix usemap allocation above node descriptor section
Problem Details: After commit f5bf18fa22f8 ("bootmem/sparsemem: remove limit constraint in alloc_bootmem_section"), usemap allocations may easily be placed outside the optimal section that holds the node descriptor, even if there is space available in that section. This results in unnecessary hotplug dependencies that...
```diff diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index 324fe08ea3b1..6d6795d46a75 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h @@ -91,6 +91,11 @@ extern void *__alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned...
07b4e2bc9c35ea88cbd36d806fcd5e3bcbf022be
Analyze and fix the following issue in the Linux kernel code: mm: sparse: fix section usemap placement calculation
Problem Details: Commit 238305bb4d41 ("mm: remove sparsemem allocation details from the bootmem allocator") introduced a bug in the allocation goal calculation that put section usemaps not in the same section as the node descriptors, creating unnecessary hotplug dependencies between them: node 0 must be removed befo...
```diff diff --git a/mm/sparse.c b/mm/sparse.c index 6a4bf9160e85..e861397016a9 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -287,7 +287,7 @@ sparse_early_usemaps_alloc_pgdat_section(struct pglist_data *pgdat, * from the same section as the pgdat where possible to avoid * this problem. */ - goal = __pa(pgdat)...
688bb4158f64f3af0fe1d13e7642f8c4c402453e
Analyze and fix the following issue in the Linux kernel code: xtensa: fix incorrect memset
Problem Details: Addresses: https://bugzilla.kernel.org/show_bug.cgi?id=43871 Reported-by: <dcb314@hotmail.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation...
```diff diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c index 9b306e550e3f..2c8d6a3d250a 100644 --- a/arch/xtensa/kernel/process.c +++ b/arch/xtensa/kernel/process.c @@ -277,7 +277,7 @@ void xtensa_elf_core_copy_regs (xtensa_gregset_t *elfregs, struct pt_regs *regs) /* Don't leak any random...
d189922862e03ce6c7adc1e99d3b94e632dc8e89
Analyze and fix the following issue in the Linux kernel code: shmem: fix negative rss in memcg memory.stat
Problem Details: When adding the page_private checks before calling shmem_replace_page(), I did realize that there is a further race, but thought it too unlikely to need a hurried fix. But independently I've been chasing why a mem cgroup's memory.stat sometimes shows negative rss after all tasks have gone: I expected ...
```diff diff --git a/mm/shmem.c b/mm/shmem.c index 3f696f7d9bac..294364a24a1f 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -263,6 +263,24 @@ static int shmem_radix_tree_replace(struct address_space *mapping, return 0; } +/* + * Sometimes, before we decide whether to proceed or to fail, we must check + * that an ent...
6b91bf1a3f52f5fdf40f5aaeb09a06b4d49556cc
Analyze and fix the following issue in the Linux kernel code: drivers/rtc/rtc-twl.c: fix threaded IRQ to use IRQF_ONESHOT
Problem Details: Requesting a threaded interrupt without a primary handler and without IRQF_ONESHOT is dangerous, and after commit 1c6c6952 ("genirq: Reject bogus threaded irq requests"), these requests are rejected. This causes ->probe() to fail, and the RTC driver not to be availble. To fix, add IRQF_ONESHOT to the...
```diff diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c index 258abeabf624..c5d06fe83bba 100644 --- a/drivers/rtc/rtc-twl.c +++ b/drivers/rtc/rtc-twl.c @@ -510,7 +510,7 @@ static int __devinit twl_rtc_probe(struct platform_device *pdev) } ret = request_threaded_irq(irq, NULL, twl_rtc_interrupt, - ...
5d8ecbbc284f7e7568969574a6601b05f1ed1d90
Analyze and fix the following issue in the Linux kernel code: fat: fix non-atomic NFS i_pos read
Problem Details: fat_encode_fh() can fetch an invalid i_pos value on systems where 64-bit accesses are not atomic. Make it use the same accessor as the rest of the FAT code. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <ak...
```diff diff --git a/fs/fat/inode.c b/fs/fat/inode.c index a3d81ebf6d86..0038b32cb362 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -738,22 +738,21 @@ static int fat_encode_fh(struct inode *inode, __u32 *fh, int *lenp, struct inode *parent) { int len = *lenp; - u32 ipos_h, ipos_m, ipos_l; + struct msdos_sb_in...
fea9f718b3d68147f162ed2d870183ce5e0ad8d8
Analyze and fix the following issue in the Linux kernel code: fs: ramfs: file-nommu: add SetPageUptodate()
Problem Details: There is a bug in the below scenario for !CONFIG_MMU: 1. create a new file 2. mmap the file and write to it 3. read the file can't get the correct value Because sys_read() -> generic_file_aio_read() -> simple_readpage() -> clear_page() which causes the page to be zeroed. Add SetPageUptodate()...
```diff diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c index fbb0b478a346..d5378d028589 100644 --- a/fs/ramfs/file-nommu.c +++ b/fs/ramfs/file-nommu.c @@ -110,6 +110,7 @@ int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize) /* prevent the page from being discarded on memory pressure ...
b59f6d1febd6cbe9fae4589bf72da0ed32bc69e0
Analyze and fix the following issue in the Linux kernel code: drivers/rtc/rtc-mxc.c: fix irq enabled interrupts warning
Problem Details: Fixes WARNING: at irq/handle.c:146 handle_irq_event_percpu+0x19c/0x1b8() irq 25 handler mxc_rtc_interrupt+0x0/0xac enabled interrupts Modules linked in: (unwind_backtrace+0x0/0xf0) from (warn_slowpath_common+0x4c/0x64) (warn_slowpath_common+0x4c/0x64) from (warn_slowpath_fmt+0x30/0x40) ...
```diff diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c index 5e1d64ee5228..e3e50d69baf8 100644 --- a/drivers/rtc/rtc-mxc.c +++ b/drivers/rtc/rtc-mxc.c @@ -202,10 +202,11 @@ static irqreturn_t mxc_rtc_interrupt(int irq, void *dev_id) struct platform_device *pdev = dev_id; struct rtc_plat_data *pdata = pl...
213ab3f9fcfc1ba471906a4f2c24d7b21370c859
Analyze and fix the following issue in the Linux kernel code: h8300/uaccess: add mising __clear_user()
Problem Details: Fix the build error: include/linux/regset.h: In function 'user_regset_copyout_zero': include/linux/regset.h:289:3: error: implicit declaration of function '__clear_user' [-Werror=implicit-function-declaration] Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Yoshinori Sato <ysato@user...
```diff diff --git a/arch/h8300/include/asm/uaccess.h b/arch/h8300/include/asm/uaccess.h index 534394f4cb0f..8725d1ad4272 100644 --- a/arch/h8300/include/asm/uaccess.h +++ b/arch/h8300/include/asm/uaccess.h @@ -158,4 +158,6 @@ clear_user(void *to, unsigned long n) return 0; } +#define __clear_user clear_user + #e...
487c719c00b6a4bdb24a77337897d46dfe5131f6
Analyze and fix the following issue in the Linux kernel code: h8300/time: add missing #include <asm/irq_regs.h>
Problem Details: Fix the build error: arch/h8300/kernel/time.c: In function 'h8300_timer_tick': arch/h8300/kernel/time.c:39:2: error: implicit declaration of function 'get_irq_regs' [-Werror=implicit-function-declaration] arch/h8300/kernel/time.c:39:42: error: invalid type argument of '->' (have 'int') Signed-o...
```diff diff --git a/arch/h8300/kernel/time.c b/arch/h8300/kernel/time.c index 32263a138aa6..e0f74191d553 100644 --- a/arch/h8300/kernel/time.c +++ b/arch/h8300/kernel/time.c @@ -27,6 +27,7 @@ #include <linux/profile.h> #include <asm/io.h> +#include <asm/irq_regs.h> #include <asm/timer.h> #define TICK_SIZE (tic...
8782171e5838480445ef5b3fcea1358e599fe4a2
Analyze and fix the following issue in the Linux kernel code: h8300/signal: fix typo "statis"
Problem Details: The keyword is "static", not "statis": arch/h8300/kernel/signal.c:455:8: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void' arch/h8300/kernel/signal.c: In function 'do_notify_resume': arch/h8300/kernel/signal.c:511:3: error: implicit declaration of function 'do_signal' [-Werro...
```diff diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c index fca10378701b..5adaadaf9218 100644 --- a/arch/h8300/kernel/signal.c +++ b/arch/h8300/kernel/signal.c @@ -447,7 +447,7 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, * want to handle. Thus you cannot kill in...
9adec610b472aba9137b934954e5d5a8550452c5
Analyze and fix the following issue in the Linux kernel code: h8300/pgtable: add missing #include <asm-generic/pgtable.h>
Problem Details: Fix the h8300 build error: kernel/sched/core.c: In function 'context_switch': kernel/sched/core.c:2061:2: error: implicit declaration of function 'arch_start_context_switch' [-Werror=implicit-function-declaration] Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Yoshinori Sato <ysato@...
```diff diff --git a/arch/h8300/include/asm/pgtable.h b/arch/h8300/include/asm/pgtable.h index a09230a08e02..62ef17676b40 100644 --- a/arch/h8300/include/asm/pgtable.h +++ b/arch/h8300/include/asm/pgtable.h @@ -70,4 +70,7 @@ extern int is_in_rom(unsigned long); #define VMALLOC_END 0xffffffff #define arch_enter_lazy...
ad49fcbe9083f42321adfdd217ed2e0037fd739f
Analyze and fix the following issue in the Linux kernel code: drivers/rtc/rtc-ab8500.c: ensure correct probing of the AB8500 RTC when Device Tree is enabled
Problem Details: Without this patch, if Device Tree is enabled the AB8500 RTC wouldn't get probed at all, as there is no reference to it from platform code. This patch ensures the driver is probed during normal DT start-up. [akpm@linux-foundation.org: checkpatch fixes] Signed-off-by: Lee Jones <lee.jones@linaro.org> ...
```diff diff --git a/drivers/rtc/rtc-ab8500.c b/drivers/rtc/rtc-ab8500.c index b11a2ecef3ff..370889d0489b 100644 --- a/drivers/rtc/rtc-ab8500.c +++ b/drivers/rtc/rtc-ab8500.c @@ -17,6 +17,7 @@ #include <linux/mfd/abx500.h> #include <linux/mfd/abx500/ab8500.h> #include <linux/delay.h> +#include <linux/of.h> #defin...
4229fb1dc6843c49a14bb098719f8a696cdc44f8
Analyze and fix the following issue in the Linux kernel code: c/r: prctl: less paranoid prctl_set_mm_exe_file()
Problem Details: "no other files mapped" requirement from my previous patch (c/r: prctl: update prctl_set_mm_exe_file() after mm->num_exe_file_vmas removal) is too paranoid, it forbids operation even if there mapped one shared-anon vma. Let's check that current mm->exe_file already unmapped, in this case exe_file syml...
```diff diff --git a/kernel/sys.c b/kernel/sys.c index e0c8ffc50d7f..2d39a84cd857 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1788,7 +1788,6 @@ SYSCALL_DEFINE1(umask, int, mask) #ifdef CONFIG_CHECKPOINT_RESTORE static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd) { - struct vm_area_struct *vm...
a4e08d001f2e50bb8b3c4eebadcf08e5535f02ee
Analyze and fix the following issue in the Linux kernel code: ocfs2: fix NULL pointer dereference in __ocfs2_change_file_space()
Problem Details: As ocfs2_fallocate() will invoke __ocfs2_change_file_space() with a NULL as the first parameter (file), it may trigger a NULL pointer dereferrence due to a missing check. Addresses http://bugs.launchpad.net/bugs/1006012 Signed-off-by: Luis Henriques <luis.henriques@canonical.com> Reported-by: Bret To...
```diff diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 98513c8ed589..7602783d7f41 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1950,7 +1950,7 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode, if (ret < 0) mlog_errno(ret); - if (file->f_flags & O_SYNC) + if (file && (...
6b4fa63a9e5696fa43f25143f104ef0bea642222
Analyze and fix the following issue in the Linux kernel code: mn10300: use "#elif defined(CONFIG_*)" instead of "#elif CONFIG_*"
Problem Details: Fix the warnings: arch/mn10300/kernel/irq.c:173:7: warning: "CONFIG_MN10300_TTYSM1_TIMER9" is not defined [-Wundef] arch/mn10300/kernel/irq.c:175:7: warning: "CONFIG_MN10300_TTYSM1_TIMER3" is not defined [-Wundef] Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: David Howells <dhowell...
```diff diff --git a/arch/mn10300/kernel/irq.c b/arch/mn10300/kernel/irq.c index 2381df83bd00..35932a8de8b8 100644 --- a/arch/mn10300/kernel/irq.c +++ b/arch/mn10300/kernel/irq.c @@ -170,9 +170,9 @@ mn10300_cpupic_setaffinity(struct irq_data *d, const struct cpumask *mask, case SC1TXIRQ: #ifdef CONFIG_MN10300_TTYSM1...
77cb621c87ee5c1bbf1b0c8f3e6518482d1688a9
Analyze and fix the following issue in the Linux kernel code: mn10300: mm/dma-alloc.c needs <linux/export.h>
Problem Details: Fix the warnings: arch/mn10300/mm/dma-alloc.c: At top level: arch/mn10300/mm/dma-alloc.c:63:1: warning: data definition has no type or storage class [enabled by default] arch/mn10300/mm/dma-alloc.c:63:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL' [-Wimplicit-int] arch/mn...
```diff diff --git a/arch/mn10300/mm/dma-alloc.c b/arch/mn10300/mm/dma-alloc.c index 159acb02cfd4..e244ebe637e1 100644 --- a/arch/mn10300/mm/dma-alloc.c +++ b/arch/mn10300/mm/dma-alloc.c @@ -15,6 +15,7 @@ #include <linux/string.h> #include <linux/pci.h> #include <linux/gfp.h> +#include <linux/export.h> #include <as...
cea7c5879fe6a6d98f2d604ef4f175cc25058c96
Analyze and fix the following issue in the Linux kernel code: mn10300: kernel/traps.c needs <linux/export.h>
Problem Details: Fix the warning: arch/mn10300/kernel/traps.c:304:1: warning: data definition has no type or storage class [enabled by default] arch/mn10300/kernel/traps.c:304:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL' [-Wimplicit-int] arch/mn10300/kernel/traps.c:304:1: warning: paramet...
```diff diff --git a/arch/mn10300/kernel/traps.c b/arch/mn10300/kernel/traps.c index 94a9c6d53e1b..b900e5afa0ae 100644 --- a/arch/mn10300/kernel/traps.c +++ b/arch/mn10300/kernel/traps.c @@ -26,6 +26,7 @@ #include <linux/kdebug.h> #include <linux/bug.h> #include <linux/irq.h> +#include <linux/export.h> #include <as...
7a63091288f3a9063b044aaefaad5e75e4ca0f60
Analyze and fix the following issue in the Linux kernel code: mn10300: kernel/internal.h needs <linux/irqreturn.h>
Problem Details: Fix the nm10300 build failure: In file included from arch/mn10300/kernel/csrc-mn10300.c:14:0: arch/mn10300/kernel/internal.h:42:1: error: unknown type name 'irqreturn_t' Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: David Howells <dhowells@redhat.com> Cc: Koichi Yasutake <yasutake....
```diff diff --git a/arch/mn10300/kernel/internal.h b/arch/mn10300/kernel/internal.h index a5ac755dd69f..2df440105a80 100644 --- a/arch/mn10300/kernel/internal.h +++ b/arch/mn10300/kernel/internal.h @@ -9,6 +9,8 @@ * 2 of the Licence, or (at your option) any later version. */ +#include <linux/irqreturn.h> + stru...
1c20c3de6c35b4ccf12f81b9f98ac9771e7510d3
Analyze and fix the following issue in the Linux kernel code: mn10300: remove duplicate definition of PTRACE_O_TRACESYSGOOD
Problem Details: Fix the warning: include/linux/ptrace.h:66:0: warning: "PTRACE_O_TRACESYSGOOD" redefined [enabled by default] arch/mn10300/include/asm/ptrace.h:85:0: note: this is the location of the previous definition We already have it in <linux/ptrace.h>, so remove it from <asm/ptrace.h> Signed-off-by: Geer...
```diff diff --git a/arch/mn10300/include/asm/ptrace.h b/arch/mn10300/include/asm/ptrace.h index 55b79ef10028..44251b974f1d 100644 --- a/arch/mn10300/include/asm/ptrace.h +++ b/arch/mn10300/include/asm/ptrace.h @@ -81,9 +81,6 @@ struct pt_regs { #define PTRACE_GETFPREGS 14 #define PTRACE_SETFPREGS 1...
2a643893e50fde71d7ba84b5592ec61b467b9ab6
Analyze and fix the following issue in the Linux kernel code: drivers/rtc/rtc-spear.c: fix use-after-free in spear_rtc_remove()
Problem Details: `config' is freed and is then used in the rtc_device_unregister() call, causing a kernel panic. Signed-off-by: Devendra Naga <devendra.aaru@gmail.com> Reviewed-by: Viresh Kumar <viresh.linux@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morto...
```diff diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c index 1f76320e545b..e2785479113c 100644 --- a/drivers/rtc/rtc-spear.c +++ b/drivers/rtc/rtc-spear.c @@ -458,12 +458,12 @@ static int __devexit spear_rtc_remove(struct platform_device *pdev) clk_disable(config->clk); clk_put(config->clk); iounm...
d8adde17e5f858427504725218c56aef90e90fc7
Analyze and fix the following issue in the Linux kernel code: memory hotplug: fix invalid memory access caused by stale kswapd pointer
Problem Details: kswapd_stop() is called to destroy the kswapd work thread when all memory of a NUMA node has been offlined. But kswapd_stop() only terminates the work thread without resetting NODE_DATA(nid)->kswapd to NULL. The stale pointer will prevent kswapd_run() from creating a new work thread when adding memor...
```diff diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 2427706f78b4..68c569fcbb66 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -694,7 +694,7 @@ typedef struct pglist_data { range, including holes */ int node_id; wait_queue_head_t kswapd_wait; - struct task_struc...
d6776e6d5c2f8db0252f447b09736075e1bbe387
Analyze and fix the following issue in the Linux kernel code: PCI: fix truncation of resource size to 32 bits
Problem Details: _pci_assign_resource() took an int "size" argument, which meant that sizes larger than 4GB were truncated. Change type to resource_size_t. [bhelgaas: changelog] Signed-off-by: Nikhil P Rao <nikhil.rao@intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
```diff diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c index eea85dafc763..be76ebacf486 100644 --- a/drivers/pci/setup-res.c +++ b/drivers/pci/setup-res.c @@ -206,7 +206,8 @@ static int pci_revert_fw_address(struct resource *res, struct pci_dev *dev, return ret; } -static int _pci_assign_resource(s...
f6c06abfb3972ad4914cef57d8348fcb2932bc3b
Analyze and fix the following issue in the Linux kernel code: timekeeping: Provide hrtimer update function
Problem Details: To finally fix the infamous leap second issue and other race windows caused by functions which change the offsets between the various time bases (CLOCK_MONOTONIC, CLOCK_REALTIME and CLOCK_BOOTTIME) we need a function which atomically gets the current monotonic time and updates the offsets of CLOCK_REAL...
```diff diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index c9ec9400ee5b..cc07d2777bbe 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -327,6 +327,7 @@ extern ktime_t ktime_get(void); extern ktime_t ktime_get_real(void); extern ktime_t ktime_get_boottime(void); extern ktime_t k...
4873fa070ae84a4115f0b3c9dfabc224f1bc7c51
Analyze and fix the following issue in the Linux kernel code: timekeeping: Fix leapsecond triggered load spike issue
Problem Details: The timekeeping code misses an update of the hrtimer subsystem after a leap second happened. Due to that timers based on CLOCK_REALTIME are either expiring a second early or late depending on whether a leap second has been inserted or deleted until an operation is initiated which causes that update. Un...
```diff diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 6f46a00a1e8a..a413e5940e06 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -963,6 +963,8 @@ static cycle_t logarithmic_accumulation(cycle_t offset, int shift) leap = second_overflow(timekeeper.xtime.tv_sec); ...
911a472aca3dac8aede558760a85ae051966dda0
Analyze and fix the following issue in the Linux kernel code: ARM: shmobile: Fix build problem in pm-sh7372.c for unusual .config
Problem Details: If neither CONFIG_SUSPEND nor CONFIG_CPU_IDLE is set in the kernel configuration file, build error occurs in arch/arm/mach-shmobile/pm-sh7372.c. Fix it by rearranging #ifdefs in that file to make the definition of sh7372_suspend_init() depend only on CONFIG_SUSPEND and the definition of sh7372_cpuidle...
```diff diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c index 6a23e7c449ea..792037069226 100644 --- a/arch/arm/mach-shmobile/pm-sh7372.c +++ b/arch/arm/mach-shmobile/pm-sh7372.c @@ -303,6 +303,7 @@ static void sh7372_enter_a3sm_common(int pllc0_on) sh7372_set_reset_vector(__pa(sh7...
89e1180121f281af16855d4954b9fe3d7354fe73
Analyze and fix the following issue in the Linux kernel code: mwl8k: fix possible race condition in info->control.sta use
Problem Details: info->control.sta may only be dereferenced during the drv_tx call otherwise could lead to use-after-free bugs Reported-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Thomas Huehn <thomas@net.t-labs.tu-berlin.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index cf7bdc66f822..224e03ade145 100644 --- a/drivers/net/wireless/mwl8k.c +++ b/drivers/net/wireless/mwl8k.c @@ -1665,7 +1665,9 @@ mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int limit, int force) info = IEEE80211_SKB_CB(sk...
7c41f3159ca4f04dfc22c791fd96d3d057dcaf90
Analyze and fix the following issue in the Linux kernel code: mac80211: Fix the Problem of Unreachable Mesh STA from DS
Problem Details: This patch fixes the problem of unreachable mesh STA from Distribution System (DS) due to the introduction of previous patch solving the mesh STA joining from one MBSS to another MBSS. Reported-by: Georgiewskiy Yuriy <bottleman@icf.org.ru> Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com> Signed-...
```diff diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 85cf32d2f7b5..eab0d19eb4bd 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1836,6 +1836,9 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, /* RA TA mDA mSA AE:DA SA */ mesh_da = mppath->mpp; is_mesh_mcast = 0; + ...
bbf43dc888833ac0539e437dbaeb28bfd4fbab9f
Analyze and fix the following issue in the Linux kernel code: sunrpc/cache.h: replace simple_strtoul
Problem Details: This patch replaces the usage of simple_strtoul with kstrtoint in get_int(), since the simple_str* family doesn't account for overflow and is deprecated. Also, in this specific case, the long from strtol is silently converted to an int by the caller. As Joe Perches <joe@perches.com> suggested, this pa...
```diff diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h index 6def1f6cc269..af42596a82f9 100644 --- a/include/linux/sunrpc/cache.h +++ b/include/linux/sunrpc/cache.h @@ -217,8 +217,6 @@ extern int qword_get(char **bpp, char *dest, int bufsize); static inline int get_int(char **bpp, int *anint)...
d9c2ede63c74048dfddbb129c59ac01176b0ab71
Analyze and fix the following issue in the Linux kernel code: sunrpc/cache.h: fix coding style
Problem Details: Neaten code style in get_int(). Also use sizeof() instead of hard coded number as suggested by Joe Perches <joe@perches.com>. Cc: Joe Perches <joe@perches.com> Signed-off-by: Eldad Zack <eldad@fogrefinery.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
```diff diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h index f5fd6160dbca..6def1f6cc269 100644 --- a/include/linux/sunrpc/cache.h +++ b/include/linux/sunrpc/cache.h @@ -219,11 +219,17 @@ static inline int get_int(char **bpp, int *anint) char buf[50]; char *ep; int rv; - int len = qword_g...
8a76e5383fb5f58868fdd3a2fe1f4b95988f10a8
Analyze and fix the following issue in the Linux kernel code: media: mx2_camera: Fix mbus format handling
Problem Details: Do not use MX2_CAMERA_SWAP16 and MX2_CAMERA_PACK_DIR_MSB flags. The driver must negotiate with the attached sensor whether the mbus format is UYUV or YUYV and set CSICR1 configuration accordingly. This is needed for the video function on mach-imx27_visstrim_m10.c to perform properly, since an earlier ...
```diff diff --git a/drivers/media/video/mx2_camera.c b/drivers/media/video/mx2_camera.c index 41f9a254b245..637bde8aca28 100644 --- a/drivers/media/video/mx2_camera.c +++ b/drivers/media/video/mx2_camera.c @@ -83,6 +83,7 @@ #define CSICR1_INV_DATA (1 << 3) #define CSICR1_INV_PCLK (1 << 2) #define CSICR1_REDGE (1...
9a89c3a856236ee6b68987dd0a0195010c3b801c
Analyze and fix the following issue in the Linux kernel code: bcma: fix CC driver compilation on MIPS
Problem Details: Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/bcma/driver_chipcommon.c b/drivers/bcma/driver_chipcommon.c index 61c19cef59a7..a4c3ebcc4c86 100644 --- a/drivers/bcma/driver_chipcommon.c +++ b/drivers/bcma/driver_chipcommon.c @@ -137,7 +137,7 @@ void bcma_chipco_serial_init(struct bcma_drv_cc *cc) | BCMA_CC_CORECTL_UARTCLKEN)...
5d7d55d681d522d1ebaca68fd7e9166b3204245a
Analyze and fix the following issue in the Linux kernel code: rt2x00pci: small 3290 changes cleanup
Problem Details: Fix indention and remove unnecessary brackets and compares. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index dd436125fe3d..235376e9cb04 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -986,7 +986,7 @@ static int rt2800_enable_wlan_rt3290(struct rt2x00_dev *rt2x00dev...
c9122c0d63a50bab0a97dc936a38c0f921b6930e
Analyze and fix the following issue in the Linux kernel code: carl9170: fix HT peer BA session corruption
Problem Details: This patch adds an alternative tx status path for BlockAck Requests as the hardware doesn't recognize that a BlockAck Requests is usually acked with a BlockAck and not a legacy ACK. Without this patch, the stack would constantly resent old and stale BARs. So, depending on the receiver stack, this coul...
```diff diff --git a/drivers/net/wireless/ath/carl9170/carl9170.h b/drivers/net/wireless/ath/carl9170/carl9170.h index 0cea20e3e250..376be11161c0 100644 --- a/drivers/net/wireless/ath/carl9170/carl9170.h +++ b/drivers/net/wireless/ath/carl9170/carl9170.h @@ -289,6 +289,7 @@ struct ar9170 { unsigned int mem_block_siz...
43224b739b0b80d198e44fce7b40e2bc0e357c4e
Analyze and fix the following issue in the Linux kernel code: MN10300: Fix a missing semicolon
Problem Details: The declaration of arch_release_thread_info() needs a semicolon. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
```diff diff --git a/arch/mn10300/include/asm/thread_info.h b/arch/mn10300/include/asm/thread_info.h index 08251d6f6b11..ac519bbd42ff 100644 --- a/arch/mn10300/include/asm/thread_info.h +++ b/arch/mn10300/include/asm/thread_info.h @@ -123,7 +123,7 @@ static inline unsigned long current_stack_pointer(void) } #ifndef...
6751ed65dc6642af64f7b8a440a75563c8aab7ae
Analyze and fix the following issue in the Linux kernel code: x86/mce: Fix siginfo_t->si_addr value for non-recoverable memory faults
Problem Details: In commit dad1743e5993f1 ("x86/mce: Only restart instruction after machine check recovery if it is safe") we fixed mce_notify_process() to force a signal to the current process if it was not restartable (RIPV bit not set in MCG_STATUS). But doing it here means that the process doesn't get told the virt...
```diff diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index da27c5d2168a..c46ed494f002 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -1186,6 +1186,7 @@ void mce_notify_process(void) { unsigned long pfn; struct mce_info *mi = mce_find_info...
66c9897d9d7675bfb8f4cc4d57ceb00b6a12a2e8
Analyze and fix the following issue in the Linux kernel code: KVM: PPC: e500mc: Fix tlbilx emulation for 64-bit guests
Problem Details: tlbilxva emulation was using an u32 variable for guest effective address. Replace it with gva_t type to handle 64-bit guests. Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de>
```diff diff --git a/arch/powerpc/kvm/e500mc.c b/arch/powerpc/kvm/e500mc.c index db97ee3a0827..1f89d26e65fb 100644 --- a/arch/powerpc/kvm/e500mc.c +++ b/arch/powerpc/kvm/e500mc.c @@ -57,7 +57,8 @@ void kvmppc_e500_tlbil_one(struct kvmppc_vcpu_e500 *vcpu_e500, struct kvm_book3e_206_tlb_entry *gtlbe) { unsigned...
39012f68058e845b63b98fc07f37cf631dddbed3
Analyze and fix the following issue in the Linux kernel code: via: Remove bogus if check
Problem Details: Reported-by: <dcb314@hotmail.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=44331 Signed-off-by: Jiri Kosina <jkosina@suse.cz>
```diff diff --git a/drivers/video/sis/init.c b/drivers/video/sis/init.c index 66de832361cc..f082ae55c0c9 100644 --- a/drivers/video/sis/init.c +++ b/drivers/video/sis/init.c @@ -2628,7 +2628,8 @@ SiS_SetVCLKState(struct SiS_Private *SiS_Pr, unsigned short ModeNo, else if(VCLK >= 135) data = 0x02; if(Si...
1dee7a3dc89fe8c7671aee012be8981a42aad45f
Analyze and fix the following issue in the Linux kernel code: powerpc/kvm: Fix "PR" KVM implementation of H_CEDE
Problem Details: H_CEDE should enable the vcpu's MSR:EE bit. It does on "HV" KVM (it's burried in the assembly code though) and as far as I can tell, qemu does it as well. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Alexander Graf <agraf@suse.de>
```diff diff --git a/arch/powerpc/kvm/book3s_pr_papr.c b/arch/powerpc/kvm/book3s_pr_papr.c index 3ff9013d6e79..ee02b30878ed 100644 --- a/arch/powerpc/kvm/book3s_pr_papr.c +++ b/arch/powerpc/kvm/book3s_pr_papr.c @@ -241,6 +241,7 @@ int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd) case H_PUT_TCE: return kvm...
9844a5524ec532aee826c35e3031637c7fc8287b
Analyze and fix the following issue in the Linux kernel code: irqdomain: Fix irq_create_direct_mapping() to test irq_domain type.
Problem Details: irq_create_direct_mapping can only be used with the NOMAP type. Make the function test to ensure it is passed the correct type of irq_domain. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Thomas G...
```diff diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index f540bb1eff84..c0e638ba9c2a 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -481,8 +481,8 @@ unsigned int irq_create_direct_mapping(struct irq_domain *domain) if (domain == NULL) domain = irq_default_domain; - BUG_ON(do...
6fbc277053836a4d80c72a0843bcbc7595b31e87
Analyze and fix the following issue in the Linux kernel code: KVM: MMU: fix kvm_mmu_pagetable_walk tracepoint
Problem Details: The P bit of page fault error code is missed in this tracepoint, fix it by passing the full error code Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>
```diff diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h index c364abc8d034..cd6e98333ba3 100644 --- a/arch/x86/kvm/mmutrace.h +++ b/arch/x86/kvm/mmutrace.h @@ -54,8 +54,8 @@ */ TRACE_EVENT( kvm_mmu_pagetable_walk, - TP_PROTO(u64 addr, int write_fault, int user_fault, int fetch_fault), - TP_ARGS(addr...
c7ba5b48cc8ddc015a9e0463813ca1e60bc42c59
Analyze and fix the following issue in the Linux kernel code: KVM: MMU: fast path of handling guest page fault
Problem Details: If the the present bit of page fault error code is set, it indicates the shadow page is populated on all levels, it means what we do is only modify the access bit which can be done out of mmu-lock Currently, in order to simplify the code, we only fix the page fault caused by write-protect on the fast ...
```diff diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index b160652f7eee..8637bffbdb4a 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -446,8 +446,22 @@ static bool __check_direct_spte_mmio_pf(u64 spte) } #endif +static bool spte_is_locklessly_modifiable(u64 spte) +{ + return !(~spte & (SPTE_HOST...
a0dfe0ab6bf194805ce9d6a2dc81efab7a4a7fda
Analyze and fix the following issue in the Linux kernel code: Bluetooth: debug: Print amp_mgr refcnt
Problem Details: Improve debug output. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
```diff diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c index fb93250b3938..4ff0bf3ba9a5 100644 --- a/net/bluetooth/a2mp.c +++ b/net/bluetooth/a2mp.c @@ -501,7 +501,7 @@ static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn) /* AMP Manager functions */ void amp_mgr_get(struct amp_mgr *mgr) { - BT...
4b10b274e22ca6df1cda2fccf3870b8586feec15
Analyze and fix the following issue in the Linux kernel code: Bluetooth: debug: Print l2cap_chan refcount
Problem Details: Improve debug output. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
```diff diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index d80e3f0691b4..e5164ff55f27 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -672,11 +672,15 @@ enum { static inline void l2cap_chan_hold(struct l2cap_chan *c) { + BT_DBG("chan %p orig refcnt %d"...
9f1db00cdc9429593a887c20fb4372a6fb82a96c
Analyze and fix the following issue in the Linux kernel code: Bluetooth: debug: Use standard hex object specifiers in hci_event
Problem Details: To help debugging printed hex object use standard bluetooth specifiers in hci_event. The patch changes format from 0x%04x to 0x%4.4x; print manufacturer id and handle in hex instead of int; print opcode always in 0x%4.4x format; status in 0x%2.2x. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@...
```diff diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 1ba929c05d0d..41ff978a33f9 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -36,7 +36,7 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - ...
249719121bc2b841bdfcab5eb21b10d8b871743b
Analyze and fix the following issue in the Linux kernel code: USB: Fix LPM disable count mismatch on driver unbind.
Problem Details: When a user runs `echo 0 > bConfigurationValue` for a USB 3.0 device, usb_disable_device() is called. This function disables all drivers, deallocates interfaces, and sets the device configuration value to 0 (unconfigured). With the new scheme to ensure that unconfigured devices have LPM disabled, usb...
```diff diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 37239048be14..c0877b7f505a 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -1174,6 +1174,7 @@ void usb_disable_device(struct usb_device *dev, int skip_ep0) put_device(&dev->actconfig->interface[i]->dev); ...
6d1d051330ee096f575523647fbd8ffe703600b5
Analyze and fix the following issue in the Linux kernel code: USB: Fix LPM disable/enable during device reset.
Problem Details: The USB 3.0 specification says that sending a Set Feature or Clear Feature for U1/U2 Enable is not a valid request when the device is in the Default or Addressed state. It is only valid when the device is in the Configured state. The original LPM patch attempted to disable LPM after the device had be...
```diff diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 4cc8dc96940e..5c31d2c2f95a 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -4673,6 +4673,16 @@ static int usb_reset_and_verify_device(struct usb_device *udev) } parent_hub = hdev_to_hub(parent_hdev); + /* Disable LPM wh...
db79e53dd5957321ca78efe6c0cda578034e381b
Analyze and fix the following issue in the Linux kernel code: PM / Domains: Replace plain integer with NULL pointer in domain.c file
Problem Details: Fixes the following sparse warning: drivers/base/power/domain.c:1679:55: warning: Using plain integer as NULL pointer Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
```diff diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 4f8e0d2e7780..8d6741780b0f 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -1676,7 +1676,7 @@ int __pm_genpd_remove_callbacks(struct device *dev, bool clear_td) if (dev->power.subsys_data->domain_data)...
a76beb14123a69ca080f5a5425e28b786d62318d
Analyze and fix the following issue in the Linux kernel code: KVM: Fix device assignment threaded irq handler
Problem Details: The kernel no longer allows us to pass NULL for the hard handler without also specifying IRQF_ONESHOT. IRQF_ONESHOT imposes latency in the exit path that we don't need for MSI interrupts. Long term we'd like to inject these interrupts from the hard handler when possible. In the short term, we can cr...
```diff diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c index b1e091ae2f37..23a41a9f8db9 100644 --- a/virt/kvm/assigned-dev.c +++ b/virt/kvm/assigned-dev.c @@ -334,6 +334,11 @@ static int assigned_device_enable_host_intx(struct kvm *kvm, } #ifdef __KVM_HAVE_MSI +static irqreturn_t kvm_assigned_dev_ms...
48ee3569f31d91084dc694fef5517eb782428083
Analyze and fix the following issue in the Linux kernel code: ipv6: Move ipv6 twsk accessors outside of CONFIG_IPV6 ifdefs.
Problem Details: Fixes build when ipv6 is disabled. Reported-by: Fengguang Wu <wfg@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index 8260ef779762..bc6c8fd8ed01 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -410,6 +410,22 @@ struct tcp6_sock { extern int inet6_sk_rebuild_header(struct sock *sk); +struct inet6_timewait_sock { + struct in6_addr tw_v6_daddr; + ...
f96985e3b3cfcd2d21faca79863fb34533d575aa
Analyze and fix the following issue in the Linux kernel code: ASoC: STA529: fix an error message
Problem Details: GCC complains that "ret" is uninitialized here. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-By: Rajeev Kumar <rajeev-dlh.kumar@st.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
```diff diff --git a/sound/soc/codecs/sta529.c b/sound/soc/codecs/sta529.c index a9f34c736bfa..0c225cd569d2 100644 --- a/sound/soc/codecs/sta529.c +++ b/sound/soc/codecs/sta529.c @@ -397,8 +397,9 @@ static __devinit int sta529_i2c_probe(struct i2c_client *i2c, sta529->regmap = devm_regmap_init_i2c(i2c, &sta529_regm...
4715213d9cf40285492fff4092bb1fa8e982f632
Analyze and fix the following issue in the Linux kernel code: bridge: fix endian
Problem Details: mld->mld_maxdelay is net endian, so we should use ntohs, not htons CC: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Li RongQing <roy.qing.li@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index b66581208cb2..2d9a0663b848 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -1160,7 +1160,7 @@ static int br_ip6_multicast_query(struct net_bridge *br, goto out; } mld = (struct mld_msg *) icmp6_hdr(skb);...
0d653ed89144828169282a654ffab26811210fd1
Analyze and fix the following issue in the Linux kernel code: qlge: fix endian issue
Problem Details: commit 6d29b1ef introduces a bug, ntohs is __be16_to_cpu, not cpu_to_be16. We always use htons on IP_OFFSET and IP_MF, then compare with network package. Signed-off-by: Li RongQing <roy.qing.li@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index 31cae42498aa..3769f5711cc3 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -1567,7 +1567,7 @@ static void ql_process_mac_rx_page(struct q...
5b70ca3599071a0e26bceab9dd6d7e4c53318881
Analyze and fix the following issue in the Linux kernel code: ksz884x: fix Endian
Problem Details: ETH_P_IP is host Endian, skb->protocol is big Endian, when compare them, Using htons on skb->protocol is wrong. And fix two code style issues: indentation and remove unnecessary parentheses. CC: Tristram Ha <Tristram.Ha@micrel.com> CC: Ben Hutchings <bhutchings@solarflare.com> CC: Joe Perches <joe@pe...
```diff diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c index 37b44b91950b..318fee91c79d 100644 --- a/drivers/net/ethernet/micrel/ksz884x.c +++ b/drivers/net/ethernet/micrel/ksz884x.c @@ -4879,8 +4879,8 @@ static netdev_tx_t netdev_tx(struct sk_buff *skb, struct net_device *de...
e1612de9e4cdf375c3cf1c72434ab8abdcb3927e
Analyze and fix the following issue in the Linux kernel code: powerpc: Disable /dev/port interface on systems without an ISA bridge
Problem Details: Some power systems do not have legacy ISA devices. So, /dev/port is not a valid interface on these systems. User level tools such as kbdrate is trying to access the device using this interface which is causing the system crash. This patch will fix this issue by not creating this interface on these pow...
```diff diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index a3855b81eada..f94ef4213e9d 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -20,6 +20,14 @@ extern int check_legacy_ioport(unsigned long base_port); #define _PNPWRP 0xa79 #define PNPBIOS_BASE 0xf...
ce9b9febe1cf3e01a7dcb0d3772734addb96606c
Analyze and fix the following issue in the Linux kernel code: ARM: mxs: rename dts files with soc name being the prefix
Problem Details: Rename mxs dts files with soc name being the prefix, so that the board dts file can be located easily by soc name, and we also gain the consistency of naming. Suggested-by: Marek Vasut <marex@denx.de> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
```diff diff --git a/arch/arm/boot/dts/stmp378x_devb.dts b/arch/arm/boot/dts/imx23-stmp378x_devb.dts similarity index 100% rename from arch/arm/boot/dts/stmp378x_devb.dts rename to arch/arm/boot/dts/imx23-stmp378x_devb.dts diff --git a/arch/arm/boot/dts/apx4devkit.dts b/arch/arm/boot/dts/imx28-apx4devkit.dts similarity...
c1f5163de417dab01fa9daaf09a74bbb19303f3c
Analyze and fix the following issue in the Linux kernel code: bnx2: Fix bug in bnx2_free_tx_skbs().
Problem Details: In rare cases, bnx2x_free_tx_skbs() can unmap the wrong DMA address when it gets to the last entry of the tx ring. We were not using the proper macro to skip the last entry when advancing the tx index. Reported-by: Zongyun Lai <zlai@vmware.com> Reviewed-by: Jeffrey Huang <huangjw@broadcom.com> Signed...
```diff diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index ac7b74488531..1fa4927a45b1 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -5372,7 +5372,7 @@ bnx2_free_tx_skbs(struct bnx2 *bp) int k, last; if (skb == NULL) ...
b28ba72665356438e3a6e3be365c3c3071496840
Analyze and fix the following issue in the Linux kernel code: IPoIB: fix skb truesize underestimatiom
Problem Details: Or Gerlitz reported triggering of WARN_ON_ONCE(delta < len); in skb_try_coalesce() This warning tracks drivers that incorrectly set skb->truesize IPoIB indeed allocates a full page to store a fragment, but only accounts in skb->truesize the used part of the page (frame length) This patch fixes skb tr...
```diff diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index 5c1bc995e560..f10221f40803 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -123,7 +123,7 @@ static void ipoib_ud_skb_put_frags(struct ipoib_dev_priv *priv, ...
efc73f4bbc238d4f579fb612c04c8e1dd8a82979
Analyze and fix the following issue in the Linux kernel code: net: Fix memory leak - vlan_info struct
Problem Details: In driver reload test there is a memory leak. The structure vlan_info was not freed when the driver was removed. It was not released since the nr_vids var is one after last vlan was removed. The nr_vids is one, since vlan zero is added to the interface when the interface is being set, but the vlan zero...
```diff diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 6089f0cf23b4..9096bcb08132 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -403,6 +403,9 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event, break; case NETDEV_DOWN: + if (dev->features & NETIF_F_HW_VLAN_FILTE...
206d78e0c5e9eff0b025e54ff2825d90a0df77db
Analyze and fix the following issue in the Linux kernel code: qlge: Fix ethtool WOL calls to operate only on devices that support WOL.
Problem Details: Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/ethernet/qlogic/qlge/qlge.h b/drivers/net/ethernet/qlogic/qlge/qlge.h index 6e7050c7127d..02fd96bb7db6 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge.h +++ b/drivers/net/ethernet/qlogic/qlge/qlge.h @@ -25,6 +25,8 @@ #define QLGE_VENDOR_ID 0x1077 #define QLGE_DEVICE_ID_8012 0x80...
41812db8e2111abbebff4fccffecab1fc1eb090c
Analyze and fix the following issue in the Linux kernel code: qlge: Fix TX queue stoppage due to full condition.
Problem Details: TX queue was being stopped at beginning of send path instead of at the end when last descriptor is used. Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index ca427eb32369..fb86f06e8f1e 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -2556,7 +2556,7 @@ static netdev_tx_t qlge_send(struct sk_buff...
7c4009192ea2276c1d7ed8ec0a18f3ecfca5cd2b
Analyze and fix the following issue in the Linux kernel code: net: calxedaxgmac: fix hang on rx refill
Problem Details: Fix intermittent hangs in xgmac_rx_refill. If a ring buffer entry already had an skb allocated, then xgmac_rx_refill would get stuck in a loop. This can happen on a rx error when we just leave the skb allocated to the entry. [ 7884.510000] INFO: rcu_preempt detected stall on CPU 0 (t=727315 jiffies) [...
```diff diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c index c4fd2e3600c7..3ca1d792f718 100644 --- a/drivers/net/ethernet/calxeda/xgmac.c +++ b/drivers/net/ethernet/calxeda/xgmac.c @@ -671,26 +671,23 @@ static void xgmac_rx_refill(struct xgmac_priv *priv) p = priv->dma_rx ...
eb5e1b29a5ff4b782796ec9d17b443b5b38b7ffe
Analyze and fix the following issue in the Linux kernel code: net: calxedaxgmac: fix net timeout recovery
Problem Details: Fix net tx watchdog timeout recovery. The descriptor ring was reset, but the DMA engine was not reset to the beginning of the ring. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c index 11f667f6131a..c4fd2e3600c7 100644 --- a/drivers/net/ethernet/calxeda/xgmac.c +++ b/drivers/net/ethernet/calxeda/xgmac.c @@ -933,6 +933,7 @@ static void xgmac_tx_err(struct xgmac_priv *priv) desc_init_tx_desc(priv->d...
ae86b9e3846f6fc5509dee721f2bdba1db8ab96a
Analyze and fix the following issue in the Linux kernel code: net: Fix non-kernel-doc comments with kernel-doc start marker
Problem Details: Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/ceph/pagelist.c b/net/ceph/pagelist.c index 13cb409a7bba..665cd23020ff 100644 --- a/net/ceph/pagelist.c +++ b/net/ceph/pagelist.c @@ -72,8 +72,7 @@ int ceph_pagelist_append(struct ceph_pagelist *pl, const void *buf, size_t len) } EXPORT_SYMBOL(ceph_pagelist_append); -/** - * Allocate enough...
312487313d4f7177cb751830e3d9c218e42ed59e
Analyze and fix the following issue in the Linux kernel code: ipv4: Calling ->cow_metrics() now is a bug.
Problem Details: Nothing every writes to ipv4 metrics any longer. PMTU is stored in rt->rt_pmtu. Dynamic TCP metrics are stored in a special TCP metrics cache, completely outside of the routes. Therefore ->cow_metrics() can simply nothing more than a WARN_ON trigger so we can catch anyone who tries to add new writes...
```diff diff --git a/net/ipv4/route.c b/net/ipv4/route.c index a967df54a423..9cc00f8a6ee5 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -158,34 +158,8 @@ static void ipv4_dst_ifdown(struct dst_entry *dst, struct net_device *dev, static u32 *ipv4_cow_metrics(struct dst_entry *dst, unsigned long old) { - st...
fd5a42980e1cf327b7240adf5e7b51ea41c23437
Analyze and fix the following issue in the Linux kernel code: powerpc/ftrace: Fix assembly trampoline register usage
Problem Details: Just like the module loader, ftrace needs to be updated to use r12 instead of r11 with newer gcc's. Signed-off-by: Roger Blofeld <blofeldus@yahoo.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> CC: stable@vger.kernel.org
```diff diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c index 6f33296a0570..91b46b7f6f0d 100644 --- a/arch/powerpc/kernel/ftrace.c +++ b/arch/powerpc/kernel/ftrace.c @@ -240,9 +240,9 @@ __ftrace_make_nop(struct module *mod, /* * On PPC32 the trampoline looks like: - * 0x3d, 0x60, 0x00,...
ac84aa2b3b9b791eac45174d1966d5fdf3bbba1c
Analyze and fix the following issue in the Linux kernel code: powerpc/hw_breakpoints: Fix incorrect pointer access
Problem Details: If arch_validate_hwbkpt_settings() fails, bp->ctx won't be valid and the kernel panics. Add a check to fix this. Reported-by: Edjunior Barbosa Machado <emachado@linux.vnet.ibm.com> Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashin...
```diff diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c index 2bc0584be81c..f3a82dde61db 100644 --- a/arch/powerpc/kernel/hw_breakpoint.c +++ b/arch/powerpc/kernel/hw_breakpoint.c @@ -111,7 +111,7 @@ void arch_unregister_hw_breakpoint(struct perf_event *bp) * and the single_ste...
852d8cb1ff7cc26e59a4bbb68e230d133b257098
Analyze and fix the following issue in the Linux kernel code: powerpc/cpuidle: Fixes for pseries_idle hotplug notifier
Problem Details: Currently the call to pseries_notify_cpuidle_add_cpu(), that takes action on the cpuidle front when a cpu is added/removed is being made from smp_xics_setup_cpu(). This caused lockdep issues as reported https://lkml.org/lkml/2012/5/17/2 On addition of each cpu, resources were cleared and re-allocated ...
```diff diff --git a/arch/powerpc/platforms/pseries/processor_idle.c b/arch/powerpc/platforms/pseries/processor_idle.c index 7f5668b94165..455760b1fe6e 100644 --- a/arch/powerpc/platforms/pseries/processor_idle.c +++ b/arch/powerpc/platforms/pseries/processor_idle.c @@ -197,13 +197,25 @@ static int pseries_cpuidle_add_...
1eb73ca0b5b0b26a829471c5e8bb8ccf9a05a7bd
Analyze and fix the following issue in the Linux kernel code: ARM: apx4devkit: fix the bus-width of SSP0 to 4 bits
Problem Details: Signed-off-by: Lauri Hintsala <lauri.hintsala@bluegiga.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
```diff diff --git a/arch/arm/boot/dts/apx4devkit.dts b/arch/arm/boot/dts/apx4devkit.dts index 03de5b87a366..35b75131ddc9 100644 --- a/arch/arm/boot/dts/apx4devkit.dts +++ b/arch/arm/boot/dts/apx4devkit.dts @@ -20,10 +20,8 @@ ssp0: ssp@80010000 { compatible = "fsl,imx28-mmc"; pinctrl-names = "default"; - ...
bf084d8f6eb4ded3f90a6ab79bb682db00ebfbd4
Analyze and fix the following issue in the Linux kernel code: crypto: aesni-intel - fix wrong kfree pointer
Problem Details: kfree(new_key_mem) in rfc4106_set_key() should be called on malloced pointer, not on aligned one, otherwise it can cause invalid pointer on free. (Seen at least once when running tcrypt tests with debug kernel.) Signed-off-by: Milan Broz <mbroz@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.ap...
```diff diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c index d6626152067d..34fdcff4d2c8 100644 --- a/arch/x86/crypto/aesni-intel_glue.c +++ b/arch/x86/crypto/aesni-intel_glue.c @@ -529,7 +529,7 @@ static int rfc4106_set_key(struct crypto_aead *parent, const u8 *key, struct crypto...
ed3efc1ccc4421865b64d902cd410f6733c85a49
Analyze and fix the following issue in the Linux kernel code: mmc: dt: Add reg/interrupts to mmc.txt for clarity.
Problem Details: Even though these aren't parsed by the MMC driver, make clear that they're required by the OF core. (Also, a few typo fixes.) Signed-off-by: Chris Ball <cjb@laptop.org>
```diff diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt index 6e70dcde0a71..8a6811f4a02f 100644 --- a/Documentation/devicetree/bindings/mmc/mmc.txt +++ b/Documentation/devicetree/bindings/mmc/mmc.txt @@ -2,13 +2,17 @@ These properties are common to multiple MMC...
6af9e96e052a6d1a760c60cb340c5a6584cb92db
Analyze and fix the following issue in the Linux kernel code: mmc: core: Fix the HPI execution sequence
Problem Details: mmc_execute_hpi should send the HPI command only once, and only if the card is in PRG state. According to eMMC spec, the command's completion time is not dependent on OUT_OF_INTERRUPT_TIME. Only the transition out of PRG STATE is guarded by OUT_OF_INTERRUPT_TIME - which is defined to begin at the end ...
```diff diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 0b6141d29dbd..a7e2c4b2f18c 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -404,6 +404,7 @@ int mmc_interrupt_hpi(struct mmc_card *card) { int err; u32 status; + unsigned long prg_wait; BUG_ON(!card); @@ -419,3...
623b51fc8642fd3c795fa9903be3adaa537ad9c5
Analyze and fix the following issue in the Linux kernel code: mmc: cd-gpio: pass IRQF_ONESHOT to request_threaded_irq()
Problem Details: Fix a boot regression on Mackerel boards with sh_mobile_sdhi in existing kernels causing: genirq: Threaded irq requested with handler=NULL and !ONESHOT for irq XXX caused by 1c6c6952 (genirq: Reject bogus threaded irq requests). This is backported from Guennadi's patch: "mmc: extend and rename cd-gp...
```diff diff --git a/drivers/mmc/core/cd-gpio.c b/drivers/mmc/core/cd-gpio.c index f13e38deceac..8f5dc08d6598 100644 --- a/drivers/mmc/core/cd-gpio.c +++ b/drivers/mmc/core/cd-gpio.c @@ -50,8 +50,8 @@ int mmc_cd_gpio_request(struct mmc_host *host, unsigned int gpio) goto egpioreq; ret = request_threaded_irq(irq,...
e044a651b9b7b1b33d8b7fdb2bb27e443f392083
Analyze and fix the following issue in the Linux kernel code: ipv4: Fix crashes in fib_rules_tclass().
Problem Details: All paths assume, when CONFIG_IP_MULTIPLE_TABLES is enabled, that any successful call to fib_lookup() will initialize the fib_result->r value to something. We violated that expectation in the new fib_lookup() fast path. Reported-by: Or Gerlitz <ogerlitz@mellanox.com> Tested-by: Eric Dumazet <eric.dum...
```diff diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 539c6721f810..000c4674e18e 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -230,6 +230,7 @@ static inline int fib_lookup(struct net *net, struct flowi4 *flp, struct fib_result *res) { if (!net->ipv4.fib_has_custom_rules) ...
2ac45f28b8eeef576c48579833b40b572f3f9790
Analyze and fix the following issue in the Linux kernel code: PCI: acpiphp: merge acpiphp_debug and debug
Problem Details: Should not have two, just remove debug, and use module_param_named instead. Also change acpiphp_debug to bool. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
```diff diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h index 6b58ed0432e9..a1afb5b39ad4 100644 --- a/drivers/pci/hotplug/acpiphp.h +++ b/drivers/pci/hotplug/acpiphp.h @@ -205,6 +205,6 @@ extern u8 acpiphp_get_latch_status (struct acpiphp_slot *slot); extern u8 acpiphp_get_adapter_status (st...
483136ea0e2b23f2aebf57e1a36a06dec4223a92
Analyze and fix the following issue in the Linux kernel code: mei: mei_irq_thread_write_handler - line break fix
Problem Details: 1. straight up lines that doesn't cross 80 characters 2. don't break strings Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c index b4afc1211fd2..b428b3fe4092 100644 --- a/drivers/misc/mei/interrupt.c +++ b/drivers/misc/mei/interrupt.c @@ -1199,8 +1199,7 @@ static int mei_irq_thread_write_handler(struct mei_io_list *cmpl_list, dev_dbg(&dev->pdev->dev, "complete...
d91d0b569044ab366895d587d4811b154dd7d7f5
Analyze and fix the following issue in the Linux kernel code: nfsd: allow owner_override only for regular files
Problem Details: We normally allow the owner of a file to override permissions checks on IO operations, since: - the client will take responsibility for doing an access check on open; - the permission checks offer no protection against malicious clients--if they can authenticate as the file's owner then they...
```diff diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index c8bd9c3be7f7..3256b5c324bc 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -757,8 +757,16 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type, * If we get here, then the client has already done an "open", * and (hopefully) checked permis...
dc332fdf9f373a87b1e2f423b5b004b2a3c37e1a
Analyze and fix the following issue in the Linux kernel code: ACPI / PM: Leave Bus Master Arbitration enabled for suspend/resume
Problem Details: This is an old suspend/resume lockup fix: commit 2780cc4660e1 Author: Len Brown <len.brown@intel.com> Date: Thu Dec 23 13:43:30 2004 -0500 [ACPI] Fix suspend/resume lockup issue by leaving Bus Master Arbitration enabled. The ACPI spec mandates it be disabled only for C3. htt...
```diff diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c index 0ed85cac3231..615996a36bed 100644 --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -95,18 +95,6 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags) return_ACPI_STATUS(status); } - if (slee...
bc51b0c22cebf5c311a6f1895fcca9f78efd0478
Analyze and fix the following issue in the Linux kernel code: Revert "of: match by compatible property first"
Problem Details: This reverts commit 107a84e61cdd3406c842a0e4be7efffd3a05dba6. Meelis Roos reports a regression since 3.5-rc5 that stops Sun Fire V100 and Sun Netra X1 sparc64 machines from booting, hanging after enabling serial console. He bisected it to commit 107a84e61cdd. Rob Herring explains: "The problem is m...
```diff diff --git a/drivers/of/base.c b/drivers/of/base.c index eada3f4ef801..d9bfd49b1935 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -511,22 +511,6 @@ out: } EXPORT_SYMBOL(of_find_node_with_property); -static const struct of_device_id *of_match_compat(const struct of_device_id *matches, - co...
8951ef021904752a843a81fee785f1b180f31c07
Analyze and fix the following issue in the Linux kernel code: PM / Domains: Add missing static storage class specifier in domain.c file
Problem Details: Fixes the folloiwng sparse warning: drivers/base/power/domain.c:149:5: warning: symbol '__pm_genpd_poweron' was not declared. Should it be static? Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
```diff diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 9727bc56320a..4f8e0d2e7780 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -159,7 +159,7 @@ static void genpd_recalc_cpu_exit_latency(struct generic_pm_domain *genpd) * Restore power to @genpd and all of...