id
stringlengths
40
40
instruction
stringlengths
68
308
input
stringlengths
17
33.4k
output
stringlengths
100
30k
ba38eb4de354d228f2792f93cde2c748a3a3f3b2
Analyze and fix the following issue in the Linux kernel code: Btrfs: fix no reserved space for writing out inode cache
Problem Details: I-node cache forgets to reserve the space when writing out it. And when we do some stress test, such as synctest, it will trigger WARN_ON() in use_block_rsv(). WARNING: at fs/btrfs/extent-tree.c:5718 btrfs_alloc_free_block+0xbf/0x281 [btrfs]() ... Call Trace: [<ffffffff8104df86>] warn_slowpath_common...
```diff diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c index 53dcbdf446cd..f8962a957d65 100644 --- a/fs/btrfs/inode-map.c +++ b/fs/btrfs/inode-map.c @@ -398,6 +398,8 @@ int btrfs_save_ino_cache(struct btrfs_root *root, struct btrfs_free_space_ctl *ctl = root->free_ino_ctl; struct btrfs_path *path; struc...
924cd8fbe41851eda2b68bf2ed501b2777fd77b4
Analyze and fix the following issue in the Linux kernel code: Btrfs: fix nocow when deleting the item
Problem Details: btrfs_previous_item() just search the b+ tree, do not COW the nodes or leaves, if we modify the result of it, the meta-data will be broken. fix it. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
```diff diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index f8e2943101a1..c37433d3cd82 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -999,7 +999,7 @@ static int btrfs_free_dev_extent(struct btrfs_trans_handle *trans, key.objectid = device->devid; key.offset = start; key.type = BTRFS_DEV_EXTEN...
3acc84739dd5d746840f881ad4d60bd2a428f1dd
Analyze and fix the following issue in the Linux kernel code: crypto: algapi - Fix build problem with NET disabled
Problem Details: The report functions use NLA_PUT so we need to ensure that NET is enabled. Reported-by: Luis Henriques <henrix@camandro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
```diff diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c index a816f24f2d52..a0f768c1d9aa 100644 --- a/crypto/ablkcipher.c +++ b/crypto/ablkcipher.c @@ -383,6 +383,7 @@ static int crypto_init_ablkcipher_ops(struct crypto_tfm *tfm, u32 type, return 0; } +#ifdef CONFIG_NET static int crypto_ablkcipher_report(...
7be620f79714b6598275bd5c71d89bb24dfe332e
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP: Fix dpll_data compile error when omap2 only is selected
Problem Details: Without this patch we get the following error: arch/arm/mach-omap2/clkt_dpll.c: In function '_dpll_test_fint': arch/arm/mach-omap2/clkt_dpll.c:98: error: 'struct dpll_data' has no member named 'flags' Signed-off-by: Tony Lindgren <tony@atomide.com>
```diff diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h index 197ca03c3f7d..eb73ab40e955 100644 --- a/arch/arm/plat-omap/include/plat/clock.h +++ b/arch/arm/plat-omap/include/plat/clock.h @@ -165,8 +165,8 @@ struct dpll_data { u8 auto_recal_bit; u8 recal_en_bit; ...
c3f06755ca4279597cd58befd6c076ae2e3db480
Analyze and fix the following issue in the Linux kernel code: Bluetooth: Fix deadlock with mgmt_pair_device
Problem Details: The hci_conn callbacks are called with the hci_dev lock already held so no locking should be attempted in them. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
```diff diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index d23a803d69df..c3d7852baa1f 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -1331,19 +1331,14 @@ static void pairing_complete(struct pending_cmd *cmd, u8 status) static void pairing_complete_cb(struct hci_conn *conn, u8 status) { ...
d65670a78cdbfae94f20a9e05ec705871d7cdf2b
Analyze and fix the following issue in the Linux kernel code: clocksource: Avoid selecting mult values that might overflow when adjusted
Problem Details: For some frequencies, the clocks_calc_mult_shift() function will unfortunately select mult values very close to 0xffffffff. This has the potential to overflow when NTP adjusts the clock, adding to the mult value. This patch adds a clocksource.maxadj value, which provides an approximation of an 11% ad...
```diff diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h index 139c4db55f17..c86c940d1de3 100644 --- a/include/linux/clocksource.h +++ b/include/linux/clocksource.h @@ -156,6 +156,7 @@ extern u64 timecounter_cyc2time(struct timecounter *tc, * @mult: cycle to nanosecond multiplier * @shift: c...
9c32c63bb70b2fafc3b18bee29959c3bf245ceba
Analyze and fix the following issue in the Linux kernel code: cifs: Fix sparse warning when calling cifs_strtoUCS
Problem Details: Fix sparse endian check warning while calling cifs_strtoUCS CHECK fs/cifs/smbencrypt.c fs/cifs/smbencrypt.c:216:37: warning: incorrect type in argument 1 (different base types) fs/cifs/smbencrypt.c:216:37: expected restricted __le16 [usertype] *<noident> fs/cifs/smbencrypt.c:216:37: got unsign...
```diff diff --git a/fs/cifs/smbencrypt.c b/fs/cifs/smbencrypt.c index 7cacba12b8f1..80d850881938 100644 --- a/fs/cifs/smbencrypt.c +++ b/fs/cifs/smbencrypt.c @@ -209,7 +209,7 @@ E_md4hash(const unsigned char *passwd, unsigned char *p16, { int rc; int len; - __u16 wpwd[129]; + __le16 wpwd[129]; /* Password can...
dde7d61e7f9bf0e844df375412ec5d51650db486
Analyze and fix the following issue in the Linux kernel code: msm: timer: Setup interrupt after registering clockevent
Problem Details: Some bootloaders may leave a pending interrupt for the timer and thus msm_timer_interrupt() has a check for a NULL event handler. Unmask and register for the interrupt after registering the clockevent so that we can get the NULL pointer check out of the fast path. Signed-off-by: Stephen Boyd <sboyd@co...
```diff diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c index ca0a957d8626..3d80fbf34165 100644 --- a/arch/arm/mach-msm/timer.c +++ b/arch/arm/mach-msm/timer.c @@ -47,8 +47,6 @@ static void __iomem *event_base; static irqreturn_t msm_timer_interrupt(int irq, void *dev_id) { struct clock_event_dev...
a850c3f6446d30b47c984d3f9e45c935385fd592
Analyze and fix the following issue in the Linux kernel code: msm: timer: Fix ONESHOT mode interrupts
Problem Details: MSM timers don't support an interrupt enable/disable bit. Therefore, when the timer is free running it's possible for the count to wrap and the match value to match again even though a set_next_event() call hasn't been made since the last match. Workaround the lack of an interrupt enable bit by explic...
```diff diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c index 405e8a925202..9f3671a43314 100644 --- a/arch/arm/mach-msm/timer.c +++ b/arch/arm/mach-msm/timer.c @@ -81,11 +81,20 @@ enum { static struct msm_clock msm_clocks[]; +static struct msm_clock *clockevent_to_clock(struct clock_event_device...
dd15ab814149df65187943c32ca09e4eeaac0047
Analyze and fix the following issue in the Linux kernel code: msm: timer: Use GPT for clockevents and DGT for clocksource
Problem Details: The clocksource shouldn't stop ticking when the clockevent stops. This is exactly what happens today with MSM timers. The same hardware is used for both the clockevent and the clocksource because the ratings of the two are the same. Fix this by registering a clockevent based on the GPT and a clocksour...
```diff diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c index ce389ca4950f..405e8a925202 100644 --- a/arch/arm/mach-msm/timer.c +++ b/arch/arm/mach-msm/timer.c @@ -1,6 +1,7 @@ -/* linux/arch/arm/mach-msm/timer.c +/* * * Copyright (C) 2007 Google, Inc. + * Copyright (c) 2009-2011, Code Aurora Foru...
b2f909419b72cf043814bf17b96c93d4695378a1
Analyze and fix the following issue in the Linux kernel code: MIPS: Octeon: Fix compile error in arch/mips/cavium-octeon/flash_setup.c
Problem Details: The parse_mtd_partitions() and mtd_device_register() functions were combined into mtd_device_parse_register(). So call that instead. Signed-off-by: David Daney <david.daney@cavium.com> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2923/ Signed-off-by: Ralf Baechle <r...
```diff diff --git a/arch/mips/cavium-octeon/flash_setup.c b/arch/mips/cavium-octeon/flash_setup.c index 975c20327bb1..0a430e06f5e5 100644 --- a/arch/mips/cavium-octeon/flash_setup.c +++ b/arch/mips/cavium-octeon/flash_setup.c @@ -17,8 +17,6 @@ static struct map_info flash_map; static struct mtd_info *mymtd; -stati...
54b2edf487d497cc522bce91b3bd79538f001d13
Analyze and fix the following issue in the Linux kernel code: MIPS: errloongson2_clock: Fix build error by including linux/module.h
Problem Details: Fix the following compilation failure with v3.2-rc1 by including module.h: CC [M] arch/mips/kernel/cpufreq/loongson2_clock.o arch/mips/kernel/cpufreq/loongson2_clock.c:39:1: error: data definition has no type or storage class [-Werror] arch/mips/kernel/cpufreq/loongson2_clock.c:39:1: error: type de...
```diff diff --git a/arch/mips/kernel/cpufreq/loongson2_clock.c b/arch/mips/kernel/cpufreq/loongson2_clock.c index cefc6e259baf..5426779d9fdb 100644 --- a/arch/mips/kernel/cpufreq/loongson2_clock.c +++ b/arch/mips/kernel/cpufreq/loongson2_clock.c @@ -7,6 +7,7 @@ * for more details. */ +#include <linux/module.h> ...
58072cbfc522c2520e34333a53c8f17bb1adb1a0
Analyze and fix the following issue in the Linux kernel code: regmap: Fix memory leak in regmap_init error path
Problem Details: If regcache initialization fails regmap_init will currently exit without freeing work_buf. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
```diff diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 3e30d168eb1d..b08df85cedff 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -229,12 +229,14 @@ struct regmap *regmap_init(struct device *dev, ret = regcache_init(map); if (ret < 0) - goto err_map...
6fd36ba02132c61f67ebefff77fe710bd38ba95a
Analyze and fix the following issue in the Linux kernel code: x86, ioapic: Only print ioapic debug information for IRQs belonging to an ioapic chip
Problem Details: with "apic=verbose" the print_IO_APIC() function tries to print IRQ to pin mappings for every active irq. It assumes chip_data is of type irq_cfg and may cause an oops if not. As the print_IO_APIC() is called from a late_initcall other chained irq chips may already be registered with custom chip_data ...
```diff diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 841b8da40525..6d939d7847e2 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -1694,6 +1694,7 @@ __apicdebuginit(void) print_IO_APICs(void) int ioapic_idx; struct irq_cfg *cfg; unsigned int ...
064a59b6dd1f341cc478c212bb436e3da9cb8d04
Analyze and fix the following issue in the Linux kernel code: x86/mrst: Avoid reporting wrong nmi status
Problem Details: Moorestown/Medfield platform does not have port 0x61 to report NMI status, nor does it have external NMI sources. The only NMI sources are from lapic, as results of perf counter overflow or IPI, e.g. NMI watchdog or spin lock debug. Reading port 0x61 on Moorestown will return 0xff which misled NMI han...
```diff diff --git a/arch/x86/include/asm/mach_traps.h b/arch/x86/include/asm/mach_traps.h index 72a8b52e7dfd..a01e7ec7d237 100644 --- a/arch/x86/include/asm/mach_traps.h +++ b/arch/x86/include/asm/mach_traps.h @@ -17,7 +17,7 @@ #define NMI_REASON_CLEAR_IOCHK 0x08 #define NMI_REASON_CLEAR_MASK 0x0f -static inline u...
1ec454baf1245df4fdb5dae728da3363630ce6de
Analyze and fix the following issue in the Linux kernel code: x86, perf: Add a build-time sanity test to the x86 decoder
Problem Details: Add a sanity test of x86 insn decoder against a stream of randomly generated input, at build time. This test is also able to reproduce any bug that might trigger by allowing the passing of random-seed and iteration-number to the test, or by passing input which has invalid byte code. Changes in V2: -...
```diff diff --git a/arch/x86/include/asm/insn.h b/arch/x86/include/asm/insn.h index 88c765e16410..74df3f1eddfd 100644 --- a/arch/x86/include/asm/insn.h +++ b/arch/x86/include/asm/insn.h @@ -137,6 +137,13 @@ static inline int insn_is_avx(struct insn *insn) return (insn->vex_prefix.value != 0); } +/* Ensure this in...
dab6538e29e68af6206ec1889c847b428f290989
Analyze and fix the following issue in the Linux kernel code: DMA: PL330: Fix build warning
Problem Details: This patch adds to fix the build warning as following. drivers/dma/pl330.c: In function 'pl330_probe': drivers/dma/pl330.c:859: warning: comparison of distinct pointer types lacks a cast Signed-off-by: Boojin Kim <boojin.kim@samsung.com> Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
```diff diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 571041477ab2..186b8221803e 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -856,7 +856,8 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) INIT_LIST_HEAD(&pd->channels); /* Initialize channel parameters */ - num_ch...
c0a39151a4055332897cba615623d3de2f3896df
Analyze and fix the following issue in the Linux kernel code: ARM: pxa: fix inconsistent CONFIG_USB_PXA27X
Problem Details: Since CONFIG_USB_GADGET_PXA27X and other macros are renamed to CONFIG_USB_PXA27X. Update them in arch/arm/mach-pxa and arch/arm/configs to keep consistent. Cc: stable@kernel.org Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Eric Miao <e...
```diff diff --git a/arch/arm/configs/ezx_defconfig b/arch/arm/configs/ezx_defconfig index 227a477346ed..d95763d5f0d8 100644 --- a/arch/arm/configs/ezx_defconfig +++ b/arch/arm/configs/ezx_defconfig @@ -287,7 +287,7 @@ CONFIG_USB=y # CONFIG_USB_DEVICE_CLASS is not set CONFIG_USB_OHCI_HCD=y CONFIG_USB_GADGET=y -CONFI...
77f6ca5a6283a5d34c4bd9dc809fec9e37fdd80d
Analyze and fix the following issue in the Linux kernel code: Input: ams_delta_serio - include linux/module.h
Problem Details: Fix the following compilation failure with v3.2-rc1 by including module.h: CC drivers/input/serio/ams_delta_serio.o drivers/input/serio/ams_delta_serio.c:33:15: error: expected declaration specifiers or '...' before string constant drivers/input/serio/ams_delta_serio.c:34:20: error: expected de...
```diff diff --git a/drivers/input/serio/ams_delta_serio.c b/drivers/input/serio/ams_delta_serio.c index 4b2a42f9f0bb..d4d08bd9205b 100644 --- a/drivers/input/serio/ams_delta_serio.c +++ b/drivers/input/serio/ams_delta_serio.c @@ -24,6 +24,7 @@ #include <linux/irq.h> #include <linux/serio.h> #include <linux/slab.h> ...
3940d6185a982a970ff562e085caccbdd62f40bb
Analyze and fix the following issue in the Linux kernel code: Input: elantech - adjust hw_version detection logic
Problem Details: This patch fixes some v3 hardware (fw_version: 0x150500) wrongly detected as v2 hardware. Reported-by: Marc Dietrich <marvin24@gmx.de> Signed-off-by: JJ Ding <jj_ding@emc.com.tw> Tested-By: Marc Dietrich <marvin24@gmx.de> Acked-by: Éric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Dmitry Torokhov ...
```diff diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 09b93b11a274..e2a9867c19d5 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1210,18 +1210,28 @@ static int elantech_reconnect(struct psmouse *psmouse) */ static int elantech_set_properties(s...
1e49570171117e547e6324c58371db4a0dc2f1db
Analyze and fix the following issue in the Linux kernel code: net: Fix references to deleted NET_ETHERNET Kconfig setting.
Problem Details: Change them over to plain "ETHERNET" Reported-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
```diff diff --git a/arch/cris/arch-v10/drivers/Kconfig b/arch/cris/arch-v10/drivers/Kconfig index 32d90867a984..5f2cdb3e428c 100644 --- a/arch/cris/arch-v10/drivers/Kconfig +++ b/arch/cris/arch-v10/drivers/Kconfig @@ -3,7 +3,7 @@ if ETRAX_ARCH_V10 config ETRAX_ETHERNET bool "Ethernet support" depends on ETRAX_ARC...
f4034147259f72cb7c4870a4188bd8beb592f87d
Analyze and fix the following issue in the Linux kernel code: ASoC: Fix duplicate const warnings in da7210.c
Problem Details: Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
```diff diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c index b545b7d37222..8b5848a6374c 100644 --- a/sound/soc/codecs/da7210.c +++ b/sound/soc/codecs/da7210.c @@ -240,7 +240,7 @@ static const DECLARE_TLV_DB_SCALE(adc_eq_master_gain_tlv, -1800, 600, 1); static const DECLARE_TLV_DB_SCALE(dac_gain_tlv...
056879d2f244001b2888cdc8cf868c33ca8b23a0
Analyze and fix the following issue in the Linux kernel code: ARM: mach-shmobile: sh7372 A3SP no_suspend_console fix
Problem Details: If "no_suspend_irq" is used on the sh7372 Mackerel board with v3.2-rc1 then Suspend-to-RAM fails because the serial console tries to write to the SCIF driver even though the power domain is turned off. This patch checks the state of "console_suspend_enabled" to see if A3SP should be forced enabled. S...
```diff diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c index e26138352f07..78c98a847433 100644 --- a/arch/arm/mach-shmobile/pm-sh7372.c +++ b/arch/arm/mach-shmobile/pm-sh7372.c @@ -20,6 +20,7 @@ #include <linux/delay.h> #include <linux/irq.h> #include <linux/bitrev.h> +#include ...
5bb01a991897d74295ff8de548d350400d7370a9
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP: Fix map_io for Amstrad E3
Problem Details: Commit 7b88e62f5d219a86d81bdf4388012c97dc42e8f8 (ARM: OMAP1: Use generic map_io, init_early and init_irq) changed omap1 to use generic map_io. Looks like I missed one board though. Fix this by adding a custom map_io for Amstrad E3. Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Tony...
```diff diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c index 51bae31cf361..b0f15d234a12 100644 --- a/arch/arm/mach-omap1/board-ams-delta.c +++ b/arch/arm/mach-omap1/board-ams-delta.c @@ -302,8 +302,6 @@ static void __init ams_delta_init(void) omap_cfg_reg(J19_1610_CAM_D6); ...
5e442a493fc59fa536c76db1fff5b49ca36a88c5
Analyze and fix the following issue in the Linux kernel code: Revert "proc: fix races against execve() of /proc/PID/fd**"
Problem Details: This reverts commit aa6afca5bcaba8101f3ea09d5c3e4100b2b9f0e5. It escalates of some of the google-chrome SELinux problems with ptrace ("Check failed: pid_ > 0. Did not find zygote process"), and Andrew says that it is also causing mystery lockdep reports. Reported-by: Alex Villacís Lasso <a_villacis@...
```diff diff --git a/fs/proc/base.c b/fs/proc/base.c index 2db1bd3173b2..851ba3dcdc29 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1652,46 +1652,12 @@ out: return error; } -static int proc_pid_fd_link_getattr(struct vfsmount *mnt, struct dentry *dentry, - struct kstat *stat) -{ - struct inode *inode = den...
5c79507b2c50ddab8f51bc692e3c0a39e3da2ad6
Analyze and fix the following issue in the Linux kernel code: drm/nouveau: Fix bandwidth calculation for DisplayPort
Problem Details: Ported from the equivalent fix in drm-intel-next: http://cgit.freedesktop.org/~keithp/linux/commit/?h=drm-intel-next&id=cd9dde44f47501394b9f0715b6a36a92aa74c0d0 Signed-off-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index e0d275e1c96c..cea6696b1906 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -710,7 +710,7 @@ nouveau_connector_mode_valid(struct drm_connector...
4beb116a454867cc3a98d02d906e0f0459aefe72
Analyze and fix the following issue in the Linux kernel code: drm/nv10: Change the BO size threshold determining the memory placement range.
Problem Details: Fixes the framebuffer memory allocation failure seen on some low-memory cards, followed by X refusing to start. https://bugs.freedesktop.org/show_bug.cgi?id=42384 Reported-by: Chris Paulson-Ellis <chris@edesix.com> Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bske...
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 7226f419e178..7cc37e690860 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -148,7 +148,7 @@ set_placement_range(struct nouveau_bo *nvbo, uint32_t type) if (dev_priv-...
4c5df493eb30089ff0b8d03a50a86293f758a786
Analyze and fix the following issue in the Linux kernel code: drm/nvc1: hacky workaround to fix accel issues
Problem Details: Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index 2afd5b13dc46..9a5ab6121b8e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -579,6 +579,14 @@ nouveau_card_init(struct drm_device *dev) if (ret) goto out...
af6d9fe5368aadd8f0f3647b38405ffcd3ed5f81
Analyze and fix the following issue in the Linux kernel code: drm/nvc0/gr: fix some bugs in grctx generation
Problem Details: Most serious is for chips with only 1 TPC, we'd get stuck in an infinite loop. The fix here will slightly change the setup for all other chipsets too, but, it shouldn't matter too much, and this all needs figuring out and likely redone anyway. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
```diff diff --git a/drivers/gpu/drm/nouveau/nvc0_grctx.c b/drivers/gpu/drm/nouveau/nvc0_grctx.c index dd0e6a736b3b..96b0b93d94ca 100644 --- a/drivers/gpu/drm/nouveau/nvc0_grctx.c +++ b/drivers/gpu/drm/nouveau/nvc0_grctx.c @@ -1812,6 +1812,7 @@ nvc0_grctx_generate(struct nouveau_channel *chan) /* calculate first set...
2bfa7482224903097a50c14a4389a29f56e19c3b
Analyze and fix the following issue in the Linux kernel code: drm/nv40/pm: fix issues on igp chipsets, which don't have memory
Problem Details: Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
```diff diff --git a/drivers/gpu/drm/nouveau/nv40_pm.c b/drivers/gpu/drm/nouveau/nv40_pm.c index bbc0b9c7e1f7..e676b0d53478 100644 --- a/drivers/gpu/drm/nouveau/nv40_pm.c +++ b/drivers/gpu/drm/nouveau/nv40_pm.c @@ -57,12 +57,14 @@ read_pll_2(struct drm_device *dev, u32 reg) int P = (ctrl & 0x00070000) >> 16; u32 re...
71856abefb49bae5d67275752ada02853c16660d
Analyze and fix the following issue in the Linux kernel code: drm/nv50: fix stability issue on NV86.
Problem Details: Confirmed to fix random hangs while running all Unegine demos on NV86. Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
```diff diff --git a/drivers/gpu/drm/nouveau/nv50_grctx.c b/drivers/gpu/drm/nouveau/nv50_grctx.c index d05c2c3b2444..4b46d6968566 100644 --- a/drivers/gpu/drm/nouveau/nv50_grctx.c +++ b/drivers/gpu/drm/nouveau/nv50_grctx.c @@ -601,7 +601,7 @@ nv50_graph_construct_mmio(struct nouveau_grctx *ctx) gr_def(ctx, offset...
5e60ee780e792efe6dce97eceb110b1d30bab850
Analyze and fix the following issue in the Linux kernel code: drm/nouveau: initialize chan->fence.lock before use
Problem Details: Fence lock needs to be initialized before any call to nouveau_channel_put because it calls nouveau_channel_idle->nouveau_fence_update which uses fence lock. BUG: spinlock bad magic on CPU#0, test/24134 lock: ffff88019f90dba8, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0 Pid: 24134, comm: test N...
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c index a319d5646ea9..bb6ec9ef8676 100644 --- a/drivers/gpu/drm/nouveau/nouveau_channel.c +++ b/drivers/gpu/drm/nouveau/nouveau_channel.c @@ -158,6 +158,7 @@ nouveau_channel_alloc(struct drm_device *dev, struct nouv...
7b4b98fa0c4d3a975b36bfe9984e4cd117f2ddff
Analyze and fix the following issue in the Linux kernel code: drm/nv50/vram: fix incorrect detection of bank count on newer chipsets
Problem Details: NVA3+ has an extra bit here compared to NV50:NVA3 chipsets. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
```diff diff --git a/drivers/gpu/drm/nouveau/nv50_vram.c b/drivers/gpu/drm/nouveau/nv50_vram.c index 9da23838e63e..2e45e57fd869 100644 --- a/drivers/gpu/drm/nouveau/nv50_vram.c +++ b/drivers/gpu/drm/nouveau/nv50_vram.c @@ -160,7 +160,7 @@ nv50_vram_rblock(struct drm_device *dev) colbits = (r4 & 0x0000f000) >> 12; ...
dce411cdf60eb64638443f953b52c18192378305
Analyze and fix the following issue in the Linux kernel code: drm/nv50/gr: typo fix, how about we not reset fifo during graph init?
Problem Details: Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
```diff diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c index 8c979b31ff61..ac601f7c4e1a 100644 --- a/drivers/gpu/drm/nouveau/nv50_graph.c +++ b/drivers/gpu/drm/nouveau/nv50_graph.c @@ -131,8 +131,8 @@ nv50_graph_init(struct drm_device *dev, int engine) NV_DEBUG(dev, "\n"); ...
46b348865011bf0d706fe1ec8c9cef08cf86ad40
Analyze and fix the following issue in the Linux kernel code: drm/nouveau: fix oops if i2c bus not found in nouveau_i2c_identify()
Problem Details: Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_i2c.c b/drivers/gpu/drm/nouveau/nouveau_i2c.c index c6143df48b9f..d39b2202b197 100644 --- a/drivers/gpu/drm/nouveau/nouveau_i2c.c +++ b/drivers/gpu/drm/nouveau/nouveau_i2c.c @@ -333,7 +333,7 @@ nouveau_i2c_identify(struct drm_device *dev, const char *what, NV_DEB...
1a1f2be2a4d7f6f538169dca534c94b221b21923
Analyze and fix the following issue in the Linux kernel code: ARM: 7155/1: arch.h: Declare 'pt_regs' locally
Problem Details: Fix the following warning when building imx_v4_v5_defconfig target: CC arch/arm/mach-imx/mach-imx27ipcam.o In file included from arch/arm/mach-imx/mach-imx27ipcam.c:18: /home/fabio/linus/linux-2.6/arch/arm/include/asm/mach/arch.h:47: warning: 'struct pt_regs' declared inside parameter list /hom...
```diff diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h index 7d19425dd496..2b0efc3104ac 100644 --- a/arch/arm/include/asm/mach/arch.h +++ b/arch/arm/include/asm/mach/arch.h @@ -13,6 +13,7 @@ struct tag; struct meminfo; struct sys_timer; +struct pt_regs; struct machine_desc { un...
5fc86281b9eba5eb9cfab999bcb00deb335da762
Analyze and fix the following issue in the Linux kernel code: ARM: 7154/1: mach-bcmring: fix build error in dma.c
Problem Details: Fixes this build error: CC arch/arm/mach-bcmring/dma.o arch/arm/mach-bcmring/dma.c: In function 'dma_request_channel_dbg': arch/arm/mach-bcmring/dma.c:1022: error: 'TASK_INTERRUPTIBLE' undeclared (first use in this function) arch/arm/mach-bcmring/dma.c:1022: error: (Each undeclared identifier is...
```diff diff --git a/arch/arm/mach-bcmring/dma.c b/arch/arm/mach-bcmring/dma.c index b52b8de91bde..f4d4d6d174d0 100644 --- a/arch/arm/mach-bcmring/dma.c +++ b/arch/arm/mach-bcmring/dma.c @@ -36,6 +36,7 @@ #include <linux/mm.h> #include <linux/pfn.h> #include <linux/atomic.h> +#include <linux/sched.h> #include <mach...
8658ca730fa66fd6b8c559315915c774330f35bb
Analyze and fix the following issue in the Linux kernel code: ARM: 7153/1: mach-bcmring: fix build error in core.c
Problem Details: Fixes this build error: CC arch/arm/mach-bcmring/core.o arch/arm/mach-bcmring/core.c: In function 'bcmring_init_timer': arch/arm/mach-bcmring/core.c:238: error: implicit declaration of function 'sp804_clockevents_register' make[1]: *** [arch/arm/mach-bcmring/core.o] Error 1 make: *** [arch/arm/ma...
```diff diff --git a/arch/arm/mach-bcmring/core.c b/arch/arm/mach-bcmring/core.c index 43eadbcc29ed..430da120a297 100644 --- a/arch/arm/mach-bcmring/core.c +++ b/arch/arm/mach-bcmring/core.c @@ -235,7 +235,7 @@ void __init bcmring_init_timer(void) */ bcmring_clocksource_init(); - sp804_clockevents_register(TIMER...
d0ce1855eab098c6257f1321b02b70f916064aaa
Analyze and fix the following issue in the Linux kernel code: mac80211: simplify mesh frame queue mapping and QoS
Problem Details: We only need to set the skb queue twice: 1. by the netdev, on local TX. 2. when forwarding a mesh frame. We only need to set the qos header twice: 1. by mac80211, on local TX. 2. when putting a frame on the mpath->frame_queue We also don't need the RA in order to set the proper queue mapping since ...
```diff diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index b22b223ccde1..a7afb2d32def 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -1043,6 +1043,7 @@ int mesh_nexthop_lookup(struct sk_buff *skb, skb_to_free = skb_dequeue(&mpath->frame_queue); info->flags |= IEEE80...
f3011cf9deb689bd68279c728c501a4166983c19
Analyze and fix the following issue in the Linux kernel code: mac80211: Avoid filling up mesh preq queue with redundant requests
Problem Details: Don't accept redundant PREQs for a given destination. This fixes a problem under high load: kernel: [20386.250913] mesh_queue_preq: 235 callbacks suppressed kernel: [20386.253335] Mesh HWMP (mesh0): PREQ node queue full kernel: [20386.253352] Mesh HWMP (mesh0): PREQ node queue full (...) The 802.11s ...
```diff diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index 0f2c4e69e217..622cc96eb4de 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -31,6 +31,8 @@ * @MESH_PATH_FIXED: the mesh path has been manually set and should not be * modified * @MESH_PATH_RESOLVED: the mesh path can has been resol...
7b7eab6fc1bc8852d9649541b59283cd89cc526f
Analyze and fix the following issue in the Linux kernel code: mac80211: verify virtual interfaces in driver API
Problem Details: The driver is never informed about monitor or AP_VLAN interfaces, so whenever we pass those to it later this is a bug. Verify we don't as there are some cases where this could happen. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index 5f165d7eb2db..b12ed52732c8 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -5,6 +5,11 @@ #include "ieee80211_i.h" #include "driver-trace.h" +static inline void check_sdata_in_driver(struct ieee80211_sub_if_dat...
6e6ae9ddf0bc19ce066ed2f66f7a52b827e4514e
Analyze and fix the following issue in the Linux kernel code: ipw2x00: remove unused function libipw_ratelimit_debug.
Problem Details: Looks like no one uses it. Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ipw2x00/libipw.h b/drivers/net/wireless/ipw2x00/libipw.h index 70f5586d96bd..3d5821eeb054 100644 --- a/drivers/net/wireless/ipw2x00/libipw.h +++ b/drivers/net/wireless/ipw2x00/libipw.h @@ -66,16 +66,8 @@ extern u32 libipw_debug_level; do { if (libipw_debug_level & (level)) \ ...
a64e2e2354679ad1742b4c43ac665ffa075ef8a0
Analyze and fix the following issue in the Linux kernel code: rndis_wlan: release BSS structures returned by cfg80211_inform_bss()
Problem Details: Patch fixes rndis_wlan to release referenced BSS structure returned by cfg80211_inform_bss(). Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index 83f3e5282aea..620e3c0e88e0 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -1976,11 +1976,12 @@ static int rndis_scan(struct wiphy *wiphy, struct net_device *dev, return ret; } ...
b12f62efb8ec0b9523bdb6c2d412c07193086de9
Analyze and fix the following issue in the Linux kernel code: ipv4: fix for ip_options_rcv_srr() daddr update.
Problem Details: When opt->srr_is_hit is set skb_rtable(skb) has been updated for 'nexthop' and iph->daddr should always equals to skb_rtable->rt_dst holds, We need update iph->daddr either. Signed-off-by: Li Wei <lw@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c index ec93335901dd..05d20cca9d66 100644 --- a/net/ipv4/ip_options.c +++ b/net/ipv4/ip_options.c @@ -640,6 +640,7 @@ int ip_options_rcv_srr(struct sk_buff *skb) } if (srrptr <= srrspace) { opt->srr_is_hit = 1; + iph->daddr = nexthop; opt->is_c...
b7ea81a58adc123a4e980cb0eff9eb5c144b5dc7
Analyze and fix the following issue in the Linux kernel code: ah: Read nexthdr value before overwriting it in ahash input callback.
Problem Details: The AH4/6 ahash input callbacks read out the nexthdr field from the AH header *after* they overwrite that header. This is obviously not going to end well. Fix it up. Signed-off-by: Nick Bowler <nbowler@elliptictech.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c index 33ca18603e3b..c7056b2e831f 100644 --- a/net/ipv4/ah4.c +++ b/net/ipv4/ah4.c @@ -262,12 +262,12 @@ static void ah_input_done(struct crypto_async_request *base, int err) if (err) goto out; + err = ah->nexthdr; + skb->network_header += ah_hlen; memcpy(s...
fecc73519439361eab21fb3cebec504672ef0e03
Analyze and fix the following issue in the Linux kernel code: net: drivers/net/hippi/Kconfig should be sourced
Problem Details: Commit ff5a3b509e ("hippi: Move the HIPPI driver") moved the HIPPI driver into drivers/net/hippi. It didn't source drivers/net/hippi/Kconfig though, so it didn't make all necessary Kconfig changes. So let drivers/net/kconfig source HIPPI's Kconfig file. [ Fix syntax error at the end of HIPP's Kconfig ...
```diff diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 583f66cd5bbd..654a5e94e0e7 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -245,6 +245,8 @@ source "drivers/net/ethernet/Kconfig" source "drivers/net/fddi/Kconfig" +source "drivers/net/hippi/Kconfig" + config NET_SB1000 tristate ...
04d21a244fdf79d0ac892eaaa9a46b682467277c
Analyze and fix the following issue in the Linux kernel code: Btrfs: rework error handling in btrfs_mount()
Problem Details: Commits 6c41761f and 45ea6095 introduced the possibility of NULL pointer dereference on error paths, also we would leave all devices busy and leak fs_info with all sub-structures on error when trying to mount an already mounted fs to a different directory. Fix this by doing all allocations before tryi...
```diff diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 58e9492230ce..629281c65ff5 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -891,7 +891,6 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags, struct super_block *s; struct dentry *root; struct btrfs_fs_devices *fs_...
586e46e2813c589d26258a599580421fb6fb576b
Analyze and fix the following issue in the Linux kernel code: Btrfs: close devices on all error paths in open_ctree()
Problem Details: Fix a bug introduced by 7e662854 where we would leave devices busy on certain error paths in open_ctree(). fs_info is guaranteed to be non-NULL now so it's safe to dereference it on all error paths. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
```diff diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 91db90b526c2..b6a5c0dd0dd8 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2460,21 +2460,20 @@ fail_sb_buffer: btrfs_stop_workers(&fs_info->caching_workers); fail_alloc: fail_iput: + btrfs_mapping_tree_free(&fs_info->mapping_tree); + ...
4d34b2789538befa45a68a191dc12e0886a69f7d
Analyze and fix the following issue in the Linux kernel code: Btrfs: avoid null dereference and leaks when bailing from open_ctree()
Problem Details: Fix bugs introduced by 6c41761f. Firstly, after failing to allocate any of the tree roots (first 'goto fail' in open_ctree()) we would dereference a NULL fs_info pointer in free_fs_info(). Secondly, after failures from init_srcu_struct(), setup_bdi() and new_inode() we would leak all earlier allocate...
```diff diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index e53a5bb85670..91db90b526c2 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1890,31 +1890,32 @@ struct btrfs_root *open_ctree(struct super_block *sb, u64 features; struct btrfs_key location; struct buffer_head *bh; - struct btrfs_root ...
f23c8af8ca2789eeb0ab9ea90c214f9694d96cc5
Analyze and fix the following issue in the Linux kernel code: Btrfs: fix subvol_name leak on error in btrfs_mount()
Problem Details: btrfs_parse_early_options() can fail due to error while scanning devices (-o device= option), but still strdup() subvol_name string: mount -o subvol=SUBV,device=BAD_DEVICE <dev> <mnt> So free subvol_name string on error. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
```diff diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 6befcaf253bd..58e9492230ce 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -905,8 +905,10 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags, error = btrfs_parse_early_options(data, mode, fs_type, &subvol_name...
a90e8b6fb80db43b029e1e76205452afa8bdc77a
Analyze and fix the following issue in the Linux kernel code: Btrfs: fix memory leak in btrfs_parse_early_options()
Problem Details: Don't leak subvol_name string in case multiple subvol= options are given. "The lastest option is effective" behavior (consistent with subvolid= and subvolrootid= options) is preserved. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
```diff diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index dcd5aef6b614..6befcaf253bd 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -448,6 +448,7 @@ static int btrfs_parse_early_options(const char *options, fmode_t flags, token = match_token(p, tokens, args); switch (token) { case Opt_subvol: + ...
f79d7e6f6ae397caf219cef1392ca39b3ff10833
Analyze and fix the following issue in the Linux kernel code: net/ll_temac: FIX : Wait for indirect wait to end
Problem Details: While tracing down a connectivity problem on the temac I connected a probe to the Cross bar irq, and it was triggered when doing ifdown->ifup. This is fixed once waiting for the indirect write to end. Since it is not on the hot path there is no performance loss. Signed-off-by: Ricardo Ribalda Delgado...
```diff diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index 05a1ffad20d2..2681b53820ee 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -114,6 +114,7 @@ void temac_indirect_out32(struct temac_local *lp,...
50ec1538fac0e39078d45ca5f8a5186621830058
Analyze and fix the following issue in the Linux kernel code: net/temac: FIX segfault when process old irqs
Problem Details: Do not enable the irq until the scatter gather registers are ready to handle the data. Otherwise an irq from a packet send/received before last close can lead to an access to an invalid memory region on the irq handler. Also, stop the dma engine on close. Signed-off-by: Ricardo Ribalda Delgado <ricar...
```diff diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index caf3659e173c..05a1ffad20d2 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -203,6 +203,9 @@ static void temac_dma_bd_release(struct net_devic...
0ecfe806f146e0cb10c2c5abbb3bb4e91959e41a
Analyze and fix the following issue in the Linux kernel code: mac80211: fix race between connection monitor & suspend
Problem Details: When the connection monitor timer fires right before suspend, the following will happen: timer fires -> monitor_work gets queued suspend calls ieee80211_sta_quiesce ieee80211_sta_quiesce: - deletes timer - cancels monitor_work synchronously, running it [note wrong order of these steps] monito...
```diff diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index d3b408cda08d..40db011da580 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2286,6 +2286,7 @@ void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata) cancel_work_sync(&ifmgd->request_smps_work); + cancel_work_sync(&ifmgd->m...
d929bbc63069396e723a180cde9cb71adc9f76ac
Analyze and fix the following issue in the Linux kernel code: wireless: libertas: fix unaligned le64 accesses
Problem Details: use get_unaligned_le64() to get timestamp Signed-off-by: Steven Miao <realmz6@gmail.com> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c index 4fcd653bddc4..a7f1ab28940d 100644 --- a/drivers/net/wireless/libertas/cfg.c +++ b/drivers/net/wireless/libertas/cfg.c @@ -634,7 +634,7 @@ static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy, if (ch...
58ebacc66bd11be2327edcefc79de94bd6f5bb4a
Analyze and fix the following issue in the Linux kernel code: cfg80211: fix bug on regulatory core exit on access to last_request
Problem Details: Commit 4d9d88d1 by Scott James Remnant <keybuk@google.com> added the .uevent() callback for the regulatory device used during the platform device registration. The change was done to account for queuing up udev change requests through udevadm triggers. The change also meant that upon regulatory core ex...
```diff diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 2520a1b7e7db..bc1ec2c26fd0 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -2263,6 +2263,9 @@ void /* __init_or_exit */ regulatory_exit(void) kfree(last_request); + last_request = NULL; + dev_set_uevent_suppress(&reg_pdev->dev, true); ...
5b2bbf75a24d6b06afff6de0eb4819413fd81971
Analyze and fix the following issue in the Linux kernel code: mac80211: fix bug in ieee80211_build_probe_req
Problem Details: ieee80211_probereq_get() can return NULL in which case we should clean up & return NULL in ieee80211_build_probe_req() as well. Cc: stable@vger.kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 7439d26bf5f9..0c9490722aa5 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -880,6 +880,8 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, skb = ieee80211_probereq_get(&local->hw, &sdata->vif, ...
f8d1ccf15568268c76f913b45ecdd33134387f1a
Analyze and fix the following issue in the Linux kernel code: mac80211: fix NULL dereference in radiotap code
Problem Details: When receiving failed PLCP frames is enabled, there won't be a rate pointer when we add the radiotap header and thus the kernel will crash. Fix this by not assuming the rate pointer is always valid. It's still always valid for frames that have good PLCP though, and that is checked & enforced. This was...
```diff diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index b867bd55de7a..097b42d286e2 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -140,8 +140,9 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local, pos++; /* IEEE80211_RADIOTAP_RATE */ - if (status->flag & RX_FLAG_HT) { + if (!rate...
c406eeb3aa7007ed252290f2f11c8383ca95a177
Analyze and fix the following issue in the Linux kernel code: arm/dt: Fix ventana SDHCI power-gpios
Problem Details: Ventana uses the same SDHCI GPIOs as Seaboard; PI6 (70) is the power GPIO for the SD port, and there is no power GPIO for the MMC chip. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Olof Johansson <olof@lixom.net>
```diff diff --git a/arch/arm/boot/dts/tegra-ventana.dts b/arch/arm/boot/dts/tegra-ventana.dts index 9b29a623aaf1..3f9abd6b6964 100644 --- a/arch/arm/boot/dts/tegra-ventana.dts +++ b/arch/arm/boot/dts/tegra-ventana.dts @@ -22,11 +22,10 @@ sdhci@c8000400 { cd-gpios = <&gpio 69 0>; /* gpio PI5 */ wp-gpios = <&gpi...
4e6c82b3614a18740ef63109d58743a359266daf
Analyze and fix the following issue in the Linux kernel code: [SCSI] fix WARNING: at drivers/scsi/scsi_lib.c:1704
Problem Details: On Mon, 2011-11-07 at 17:24 +1100, Stephen Rothwell wrote: > Hi all, > > Starting some time last week I am getting the following during boot on > our PPC970 blade: > > calling .ipr_init+0x0/0x68 @ 1 > ipr: IBM Power RAID SCSI Device Driver version: 2.5.2 (April 27, 2011) > ipr 0000:01:01.0: Found IOA ...
```diff diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 72273a0e5666..b3c6d957fbd8 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -319,11 +319,7 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget, return sdev; out_device_destroy: - scsi_device_...
7fb4f392bd27e5b0e2444430d241370837bcc8fa
Analyze and fix the following issue in the Linux kernel code: ALSA: intel8x0: improve virtual environment detection
Problem Details: Detection code improved by PCI SSID usage. VM optimization now enabled only for known devcices (skip host devices forwarded to VM by VT-d or same kind of technology). For debug/troubleshooting purposes optimization can be forced (on/off) by module parameter: "inside_vm" (boolean). Known devices (PCI S...
```diff diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c index 2d4bb4c9a030..11718b49b2e2 100644 --- a/sound/pci/intel8x0.c +++ b/sound/pci/intel8x0.c @@ -2937,20 +2937,41 @@ static unsigned int sis_codec_bits[3] = { ICH_PCR, ICH_SCR, ICH_SIS_TCR }; -static int __devinit snd_intel8x0_inside_vm(void) +stati...
8d804d4fdf90b3af62a41a20bf8b21b75529a003
Analyze and fix the following issue in the Linux kernel code: STAGING: octeon-ethernet: Fix compile error caused by skb_frag_struct change
Problem Details: Evidently the definition of struct skb_frag_struct has changed, so we need to change to match it. Signed-off-by: David Daney <david.daney@cavium.com> To: netdev@vger.kernel.org To: gregkh@suse.de To: devel@driverdev.osuosl.org Patchwork: https://patchwork.linux-mips.org/patch/2909/ Signed-off-by: Ralf...
```diff diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c index b445cd63f901..2542c3743904 100644 --- a/drivers/staging/octeon/ethernet-tx.c +++ b/drivers/staging/octeon/ethernet-tx.c @@ -275,7 +275,7 @@ int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev) CVM_OCT_SKB_...
dd0b3825495a2e7a8cd6cf0ec077618c008ac7c4
Analyze and fix the following issue in the Linux kernel code: ARM: at91: Fix USBA gadget registration
Problem Details: Since 193ab2a6070039e7ee2b9b9bebea754a7c52fd1b, various AT91 boards don't register USBA adapters anymore due to depending on a now non-existing symbol. Fix the symbol name. Signed-off-by: Jochen Friedrich <jochen@scram.de> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> CC: stable@kernel.org Signed-...
```diff diff --git a/arch/arm/mach-at91/at91cap9_devices.c b/arch/arm/mach-at91/at91cap9_devices.c index b9739baa21e4..adad70db70eb 100644 --- a/arch/arm/mach-at91/at91cap9_devices.c +++ b/arch/arm/mach-at91/at91cap9_devices.c @@ -98,7 +98,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {} * USB H...
1cb201af626eedf0ff78cc1712c731b463994c60
Analyze and fix the following issue in the Linux kernel code: atmel/spi: fix missing probe
Problem Details: Commit 940ab889 "drivercore: Add helper macro for platform_driver boilerplate" converted this driver to use module_platform_driver, but due to the use of platform_driver_probe(), this resulted in the call to atmel_spi_probe being lost. Place the call to this function into the driver structure. fix sec...
```diff diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index 79665e2e6ec5..16d6a839c7fa 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -907,7 +907,7 @@ static void atmel_spi_cleanup(struct spi_device *spi) /*----------------------------------------------------------------------...
b2eb5309fbc680406d6bf3b182178f0cfaf951fb
Analyze and fix the following issue in the Linux kernel code: at91/yl-9200: Fix section mismatch
Problem Details: Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
```diff diff --git a/arch/arm/mach-at91/board-yl-9200.c b/arch/arm/mach-at91/board-yl-9200.c index 649b052231f5..12a3f955162b 100644 --- a/arch/arm/mach-at91/board-yl-9200.c +++ b/arch/arm/mach-at91/board-yl-9200.c @@ -384,7 +384,7 @@ static struct spi_board_info yl9200_spi_devices[] = { #include <video/s1d13xxxfb.h> ...
30458edf667b77012573e649fced3cf5c01efe82
Analyze and fix the following issue in the Linux kernel code: at91: vmalloc fix missing AT91_VIRT_BASE define
Problem Details: VMALLOC_END is defined in terms of AT91_VIRT_BASE but this needs mach/hardware.h for it's definition. In file included from arch/arm/mach-at91/board-usb-a926x.c:26:0: include/linux/mm.h: In function 'is_vmalloc_addr': include/linux/mm.h:305:41: error: 'AT91_VIRT_BASE' undeclared (first use in this fun...
```diff diff --git a/arch/arm/mach-at91/include/mach/vmalloc.h b/arch/arm/mach-at91/include/mach/vmalloc.h index 8eb459f3f5b7..8e4a1bd0ab1d 100644 --- a/arch/arm/mach-at91/include/mach/vmalloc.h +++ b/arch/arm/mach-at91/include/mach/vmalloc.h @@ -21,6 +21,8 @@ #ifndef __ASM_ARCH_VMALLOC_H #define __ASM_ARCH_VMALLOC_H...
fc2f4b13d8c91713efb972be42566f7f3625f5ed
Analyze and fix the following issue in the Linux kernel code: Bluetooth: Fix consistency with u16 integer type in mgmt pending_cmd
Problem Details: For consistency the integer type should be u16 and not __u16. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
```diff diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 263fa2745d48..a849428ffbcb 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -36,7 +36,7 @@ struct pending_cmd { struct list_head list; - __u16 opcode; + u16 opcode; int index; void *param; struct sock *sk; ```
e0f9309f371096b82ad35aa2c27d7f848f37e696
Analyze and fix the following issue in the Linux kernel code: Bluetooth: Fix cancel_delayed_work_sync usage with locks
Problem Details: The cancel_delayed_work_sync function should not be used if we hold any locks. Luckily all places where this is the case it is also safe to use the non-sync version. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo F. Padovan...
```diff diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index f87bf242539e..fb3feeb185d7 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -599,12 +599,12 @@ static int hci_dev_do_close(struct hci_dev *hdev) tasklet_kill(&hdev->tx_task); if (hdev->discov_timeout > 0) { - ca...
2e58ef3e11d0775795345a20185b5a7c4bdae194
Analyze and fix the following issue in the Linux kernel code: Bluetooth: Move pending management command list into struct hci_dev
Problem Details: This patch moves the pending management command list (previously global to mgmt.c) into struct hci_dev. This makes it possible to do proper locking when accessing it (through the existing hci_dev locks) and thereby avoid race conditions. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Acked-by:...
```diff diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 0f35a3900e16..0a5a05d9109c 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -217,6 +217,8 @@ struct hci_dev { __u16 init_last_cmd; + struct list_head mgmt_pending; + struct inq...
596830ee1d2d9cf56e5efe0c020eb588beecae62
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek - Look through codec SSID for fix-up lists
Problem Details: Not only PCI SSIDs but also look through codec SSIDs for fix-up table entries. MacBook tend to give the same PCI SSID but unique codec SSIDs. Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 75f739b7e763..640cf2810f03 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -1526,6 +1526,7 @@ static void alc_pick_fixup(struct hda_codec *codec, const struct alc_fixup *fixlist) { struct...
e0e20753c15fc418d94fee826af394907df856d8
Analyze and fix the following issue in the Linux kernel code: pinctrl: fix "warning: 'struct pinctrl_dev' declared inside parameter list"
Problem Details: when pinctl subsystem is not selected, when compiling drivers including the include/linux/pinctrl/pinctrl.h, we will get the warning as below: In file included from include/linux/pinctrl/pinmux.h:17, from drivers/tty/serial/sirfsoc_uart.c:25: include/linux/pinctrl/pinctrl.h:126: warnin...
```diff diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h index 3605e947fa90..04c011038f32 100644 --- a/include/linux/pinctrl/pinctrl.h +++ b/include/linux/pinctrl/pinctrl.h @@ -121,6 +121,7 @@ extern const char *pinctrl_dev_get_name(struct pinctrl_dev *pctldev); extern void *pinctrl_dev_g...
44656fa03926e7363ab41c565619800a4b3b1322
Analyze and fix the following issue in the Linux kernel code: kbuild: Fix missing system calls check on mips.
Problem Details: Commit 5f7efb4 (Kbuild: append missing-syscalls to the default target list) broke MIPS build. Reported-tested-and-acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
```diff diff --git a/Kbuild b/Kbuild index 4caab4f6cba7..b8b708ad6dc3 100644 --- a/Kbuild +++ b/Kbuild @@ -92,7 +92,7 @@ always += missing-syscalls targets += missing-syscalls quiet_cmd_syscalls = CALL $< - cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) + cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c...
114b80ce2c05f91f10fffbf303080357d73c0675
Analyze and fix the following issue in the Linux kernel code: GFS2: Fix very unlikley memory leak in ACL xattr code
Problem Details: This was spotted by automated code analysis. In case reading an ACL xattr failed (only likely to happen if there is an I/O error for example, and even then only with unstuffed xattrs, so pretty difficult to trigger) a small amount of memory could potentially be leaked. This patch adds a kfree to the e...
```diff diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c index 71d7bf830c09..a201a1d57a6d 100644 --- a/fs/gfs2/xattr.c +++ b/fs/gfs2/xattr.c @@ -549,9 +549,10 @@ int gfs2_xattr_acl_get(struct gfs2_inode *ip, const char *name, char **ppdata) goto out; error = gfs2_ea_get_copy(ip, &el, data, len); - if (error == 0) ...
d19978f58745e586d9385d306d557e7c785abe23
Analyze and fix the following issue in the Linux kernel code: crypto: fix typo in crypto/Kconfig
Problem Details: Fix a typo in the Kconfig file help text. Signed-off-by: Valdis Kletnieks <valdis.kletnieks@vt.edu> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
```diff diff --git a/crypto/Kconfig b/crypto/Kconfig index 527a857d10b6..733208fe0a2d 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -105,7 +105,7 @@ config CRYPTO_USER depends on NET select CRYPTO_MANAGER help - Userapace configuration for cryptographic instantiations such as + Userspace configuration f...
0e7cc2e745450daa0aec8f32d663f7811cfac0f3
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek - Move ALC888 ASUS EEE1601 config to auto-parser
Problem Details: The ASUS EEE1601 works almost fine with the auto-parser but the static configuration has a certain specific COEF verb. Add this to the fix-up list so that we can drop the whole EEE1601 static config from alc882_quirks.c. Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/hda/alc882_quirks.c b/sound/pci/hda/alc882_quirks.c index 7f2a3a7a40b2..2be5e076dd13 100644 --- a/sound/pci/hda/alc882_quirks.c +++ b/sound/pci/hda/alc882_quirks.c @@ -52,7 +52,6 @@ enum { ALC889A_INTEL, ALC889_INTEL, ALC888_ASUS_M90V, - ALC888_ASUS_EEE1601, ALC889A_MB31, ALC882...
55c0008be67a27944b6705251d9a8d4c56c67701
Analyze and fix the following issue in the Linux kernel code: ALSA: snd_usb_audio: add Logitech HD Webcam c510 to quirk-384
Problem Details: Logitech HD Webcam c510 provide wrong mixer resolution. Add it to "res = 384" quirk. Signed-off-by: Alexey Fisher <bug-track@fisher-privat.net> Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index c5444e00f0c6..ab23869c01bb 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -799,6 +799,7 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval, case USB_ID(0x046d, 0x0808): case USB_ID(0x046d, 0x0809): + case USB_ID(0x046d,...
f7f9bdfadfda07afb904a9767468e38c2d1a6033
Analyze and fix the following issue in the Linux kernel code: ALSA: hda - fix internal mic on Dell Vostro 3500 laptop
Problem Details: Fix the not working internal mic on Dell Vostro 3500 laptop by introducing the new model dell-vostro-3500. Signed-off-by: Julian Wollrath <jwollrath@web.de> Cc: <stable@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/Documentation/sound/alsa/HD-Audio-Models.txt b/Documentation/sound/alsa/HD-Audio-Models.txt index 4f3443230d89..edad99abec21 100644 --- a/Documentation/sound/alsa/HD-Audio-Models.txt +++ b/Documentation/sound/alsa/HD-Audio-Models.txt @@ -349,6 +349,7 @@ STAC92HD83* ref Reference board mic-re...
0836b5cdd23d573bf7ec57f73ff774b3ad660bf4
Analyze and fix the following issue in the Linux kernel code: ARM: picoxcell: add extra temp register to addruart
Problem Details: 639da5ee3 (ARM: add an extra temp register to the low level debugging addruart macro) didn't include picoxcell as it hadn't been merged at the time. Fix up the compile breakage by adding the extra temp parameter. Signed-off-by: Jamie Iles <jamie@jamieiles.com>
```diff diff --git a/arch/arm/mach-picoxcell/include/mach/debug-macro.S b/arch/arm/mach-picoxcell/include/mach/debug-macro.S index 8f2c234ed9d9..58d4ee3ae949 100644 --- a/arch/arm/mach-picoxcell/include/mach/debug-macro.S +++ b/arch/arm/mach-picoxcell/include/mach/debug-macro.S @@ -14,7 +14,7 @@ #define UART_SHIFT 2...
8d1c963a2e0c57dfe7f9c356389902e500cf1cfd
Analyze and fix the following issue in the Linux kernel code: ALSA: HDA: Remove quirk for Toshiba T110
Problem Details: According to the bug reporter, model=auto is needed to make the internal microphone work. BugLink: https://bugs.launchpad.net/bugs/819699 Reported-by: Andrej (agno01) Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 5e706e4d1737..0de21193a2b0 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -3062,7 +3062,6 @@ static const struct snd_pci_quirk cxt5066_cfg_tbl[] = { SND_PCI_QUIRK(0x1043, 0x1993, "Asus U50F"...
142924cf402f9c0568004f0e2a27988fe3556c61
Analyze and fix the following issue in the Linux kernel code: sata_sis.c: trivial spelling fix
Problem Details: Trivial spelling fix. Signed-off-by: Chris Dunlop <chris@onthe.net.au> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
```diff diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c index 447d9c05fb5a..95ec435f0eb4 100644 --- a/drivers/ata/sata_sis.c +++ b/drivers/ata/sata_sis.c @@ -104,7 +104,7 @@ static const struct ata_port_info sis_port_info = { }; MODULE_AUTHOR("Uwe Koziolek"); -MODULE_DESCRIPTION("low-level driver for S...
76ee4557137ce12a60a1e1a070ed341182163a64
Analyze and fix the following issue in the Linux kernel code: ARM: EXYNOS: Fix compiler error with THIS_MODULE
Problem Details: CC arch/arm/mach-exynos/cpuidle.o arch/arm/mach-exynos/cpuidle.c:36: error: 'THIS_MODULE' undeclared here (not in a function) arch/arm/mach-exynos/cpuidle.c: In function 'exynos4_enter_idle': arch/arm/mach-exynos/cpuidle.c:42: error: storage size of 'before' isn't known arch/arm/mach-exynos/cpuidl...
```diff diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c index 35f6502144ae..4ebb382c5979 100644 --- a/arch/arm/mach-exynos/cpuidle.c +++ b/arch/arm/mach-exynos/cpuidle.c @@ -12,6 +12,8 @@ #include <linux/init.h> #include <linux/cpuidle.h> #include <linux/io.h> +#include <linux/export.h> ...
505172e11f5a0d9916e20e40d3b0a6f87d3a59b6
Analyze and fix the following issue in the Linux kernel code: crypto: ansi_cprng - enforce key != seed in fips mode
Problem Details: Apparently, NIST is tightening up its requirements for FIPS validation with respect to RNGs. Its always been required that in fips mode, the ansi cprng not be fed key and seed material that was identical, but they're now interpreting FIPS 140-2, section AS07.09 as requiring that the implementation itse...
```diff diff --git a/crypto/ansi_cprng.c b/crypto/ansi_cprng.c index ffa0245e2abc..6ddd99e6114b 100644 --- a/crypto/ansi_cprng.c +++ b/crypto/ansi_cprng.c @@ -414,10 +414,18 @@ static int fips_cprng_get_random(struct crypto_rng *tfm, u8 *rdata, static int fips_cprng_reset(struct crypto_rng *tfm, u8 *seed, unsigned int...
b884f8b901b968b90d8d1b82d388583fa1b2605d
Analyze and fix the following issue in the Linux kernel code: crypto: lrw - fix memleak
Problem Details: LRW module leaks child cipher memory when init_tfm() fails because of child block size not being 16. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
```diff diff --git a/crypto/lrw.c b/crypto/lrw.c index 358f80be2bf9..fca3246a953f 100644 --- a/crypto/lrw.c +++ b/crypto/lrw.c @@ -220,6 +220,7 @@ static int init_tfm(struct crypto_tfm *tfm) if (crypto_cipher_blocksize(cipher) != 16) { *flags |= CRYPTO_TFM_RES_BAD_BLOCK_LEN; + crypto_free_cipher(cipher); ret...
e56c57d0d3fdbbdf583d3af96bfb803b8dfa713e
Analyze and fix the following issue in the Linux kernel code: net: rename sk_clone to sk_clone_lock
Problem Details: Make clear that sk_clone() and inet_csk_clone() return a locked socket. Add _lock() prefix and kerneldoc. Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index e6db62e756dc..dbf9aab34c82 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -143,9 +143,9 @@ static inline void *inet_csk_ca(const struct sock *sk) return (void *)inet_csk(sk)-...
c6c44893c864429a7c6a4f7942dfb3ee182b4ad1
Analyze and fix the following issue in the Linux kernel code: brcm80211: smac: fixed inconsistency in transmit mute
Problem Details: Transmit was muted in two ways: full mute and a partial mute called 'pre ism cac time' mute. But, this 'pre ism cac time' mute was done at one place in the code (when tx_mute == false), and overridden later on in another place in code. To fix this, the 'pre ism cac time' mute has been replaced by a no...
```diff diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c index 8eb665ee974a..cc74205708ed 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/main.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c @@ -2453,11 +2453,11 @@ static void brcms_b_tx_fifo_resum...
a8bc4917ed6bd6101569630708baaac14504ab8c
Analyze and fix the following issue in the Linux kernel code: brcm80211: smac: bugfix for tx mute in brcms_b_init()
Problem Details: Transmit can only be muted if the mac core is enabled. When brcms_b_init() is called, the mac core is suspended. Brcms_b_init() calls a transmit mute function that requires an enabled mac core. This code path is never taken, but would have been taken in subsequent patches. Reviewed-by: Alwin Beukers <...
```diff diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c index 2fecf06b078a..8eb665ee974a 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/main.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c @@ -2452,6 +2452,7 @@ static void brcms_b_tx_fifo_resume(...
1433c59bcc404cd4bd54333d23ce06242d8e32b7
Analyze and fix the following issue in the Linux kernel code: brcm80211: smac: remove phy api bypass in rate.h
Problem Details: Obviously the phy api should be used to interface with the phy. In rate.h a table within phy was accessed directly by declaring the table extern in rate.h itself. This patch fixes this using the provided api function to obtain the table reference. This bypass was found by a sparse warning on the table ...
```diff diff --git a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_cmn.c b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_cmn.c index a3149254cbcd..2faea509f017 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_cmn.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_cmn.c @@ -112,7 +112,7 @@ static co...
ef5af74707e1921f9462e2cfeb336a21af6ae902
Analyze and fix the following issue in the Linux kernel code: mac80211: fix confusing parentheses
Problem Details: There's an extra pair of parentheses here that is simply confusing because it implies a nesting that doesn't actually exist. Just remove it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index ebd7fb101fbf..000a8ba987cd 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1394,7 +1394,7 @@ static int ieee80211_set_channel(struct wiphy *wiphy, (old_oper_type != local->_oper_channel_type)) ieee80211_hw_config(local, IEEE80211_C...
5510697515fad6fe53d1f845ce21a13900339d82
Analyze and fix the following issue in the Linux kernel code: iwlagn: remove unnecessary type for tracing operations
Problem Details: The device tracing routines only use the priv pointer as an opaque value. Change from a typed iwl_priv pointer to a null pointer and eliminate the need to include iwl_priv.h. CMD_ASYNC is defined in iwl_shared.h which is the only reason it is included. Signed-off-by: Don Fry <donald.h.fry@intel.com>...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.c b/drivers/net/wireless/iwlwifi/iwl-devtrace.c index a635a7e75447..2a2c8de64a04 100644 --- a/drivers/net/wireless/iwlwifi/iwl-devtrace.c +++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.c @@ -28,7 +28,7 @@ /* sparse doesn't like tracepoint macros */ #if...
7fd2ae21a42d178982679b86086661292b4afe4a
Analyze and fix the following issue in the Linux kernel code: Btrfs: fix our reservations for updating an inode when completing io
Problem Details: People have been reporting ENOSPC crashes in finish_ordered_io. This is because we try to steal from the delalloc block rsv to satisfy a reservation to update the inode. The problem with this is we don't explicitly save space for updating the inode when doing delalloc. This is kind of a problem and ...
```diff diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index 5a5d325a3935..634608d2a6d0 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -147,14 +147,12 @@ struct btrfs_inode { * the btrfs file release call will add this inode to the * ordered operations list so that we make sure ...
cc438fccd5783c9f7b4c4858358ac897dcf8a58d
Analyze and fix the following issue in the Linux kernel code: wl12xx: fix wl12xx_scan_sched_scan_ssid_list() check that all given ssids are in filters
Problem Details: A minor fix for the check that verifies that all given SSIDs (in req) exist in the filters (the match sets) Signed-off-by: Eyal Shapira <eyal@wizery.com> Acked-by: Luciano Coelho <coelho@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c index 128ccb79318c..fc29c671cf3b 100644 --- a/drivers/net/wireless/wl12xx/scan.c +++ b/drivers/net/wireless/wl12xx/scan.c @@ -559,7 +559,7 @@ wl12xx_scan_sched_scan_ssid_list(struct wl1271 *wl, break; } /* Fai...
a59be0811c322f80aaa886b144239393efece42d
Analyze and fix the following issue in the Linux kernel code: ath: Fix NULL ptr dereference in ath_reg_apply_world_flags
Problem Details: This happens with devices using a regulatory domain 0x68 that are only 5Ghz capable because ath_reg_apply_active_scan_flags assumes that we always have a 2,4Ghz band. CPU 0 Unable to handle kernel paging request at virtual address 00000000, epc == 82cd838c, ra == 82cd8384 Oops[#1]: Cpu 0 $ 0 : 0000000...
```diff diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c index 028310f263c8..f1be57f0f5bb 100644 --- a/drivers/net/wireless/ath/regd.c +++ b/drivers/net/wireless/ath/regd.c @@ -253,6 +253,8 @@ ath_reg_apply_active_scan_flags(struct wiphy *wiphy, int r; sband = wiphy->bands[IEEE80211_...
c26887d2a48600bfa87a27ce41ff78828bd7243c
Analyze and fix the following issue in the Linux kernel code: cfg80211: fix missing kernel-doc
Problem Details: Two new struct members were not documented, fix that. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 92cf1c2c30c9..95852e36713b 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -456,6 +456,9 @@ enum station_parameters_apply_mask { * as the AC bitmap in the QoS info field * @max_sp: max Service Period. same format as the M...
917c16b2b69fc2eeb432eabca73258f08c58361e
Analyze and fix the following issue in the Linux kernel code: Btrfs: fix oops on NULL trans handle in btrfs_truncate
Problem Details: If we fail to reserve space in the transaction during truncate, we can error out with a NULL trans handle. The cleanup code needs an extra check to make sure we aren't trying to use the bad handle. Signed-off-by: Chris Mason <chris.mason@oracle.com>
```diff diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 9d0eaa57d4ee..f60e2490bd0d 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -6529,14 +6529,16 @@ end_trans: ret = btrfs_orphan_del(NULL, inode); } - trans->block_rsv = &root->fs_info->trans_block_rsv; - ret = btrfs_update_inode(trans, root, in...
1c78217fc8c0983f5768a2d1c17c022f1079751e
Analyze and fix the following issue in the Linux kernel code: cpufreq: OMAP: fix freq_table leak
Problem Details: We use a single frequency table for multiple CPUs. But, with OMAP4, since we have multiple CPUs, the cpu_init call for CPU1 causes freq_table previously allocated for CPU0 to be overwritten. In addition, we dont free the table on exit path. We solve this by maintaining an atomic type counter to ensure...
```diff diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c index 8c5419201ac5..ad94b4f2892c 100644 --- a/drivers/cpufreq/omap-cpufreq.c +++ b/drivers/cpufreq/omap-cpufreq.c @@ -46,6 +46,7 @@ static struct lpj_info global_lpj_ref; #endif static struct cpufreq_frequency_table *freq_table; +s...
2bc8ca40f951163b3bb75949479e2755c12c1b96
Analyze and fix the following issue in the Linux kernel code: ipv4: Fix inetpeer expire time information
Problem Details: As we update the learned pmtu informations on demand, we might report a nagative expiration time value to userspace if the pmtu informations are already expired and we have not send a packet to that inetpeer after expiration. With this patch we send a expire time of null to userspace after expiration u...
```diff diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 155138d8ec8b..511f4a75149c 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2845,7 +2845,7 @@ static int rt_fill_info(struct net *net, struct rtable *rt = skb_rtable(skb); struct rtmsg *r; struct nlmsghdr *nlh; - long expires = 0; + unsigned l...
20db93c34095553a01a9c31136658917bf1fa5d5
Analyze and fix the following issue in the Linux kernel code: net: min_pmtu default is 552
Problem Details: Small fix in Documentation, since min_pmtu is 512 + 20 + 20 = 552 Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index cb7f3148035d..f049a1ca186f 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -20,7 +20,7 @@ ip_no_pmtu_disc - BOOLEAN default FALSE min_pmtu - INTEGER - defau...
6d67e9beb68bc6712b042c9723cecc87dc8e3f4c
Analyze and fix the following issue in the Linux kernel code: tcp: Fix comments for Nagle algorithm
Problem Details: TCP_NODELAY is weaker than TCP_CORK, when TCP_CORK was set, small segments will always pass Nagle test regardless of TCP_NODELAY option. Signed-off-by: Feng King <kinwin2008@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 980b98f6288c..63170e297540 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1382,7 +1382,7 @@ static inline int tcp_minshall_check(const struct tcp_sock *tp) /* Return 0, if packet can be sent now without violation Nagle's rules...
e50e705ca71db82a78a3e13fb7abf6b2171ac9c7
Analyze and fix the following issue in the Linux kernel code: l2tp: fix l2tp_udp_recv_core()
Problem Details: pskb_may_pull() can change skb->data, so we have to load ptr/optr at the right place. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index bf8d50c67931..cf0f308abf5e 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -756,9 +756,6 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb, goto error; } - /* Point to L2TP header */ - optr = ptr...
a8d12007c795f3d69ee0b2d29f0abfefd55c6120
Analyze and fix the following issue in the Linux kernel code: n_gsm: Fix timings
Problem Details: Alek Du reported that the code erroneously applies time to jiffies conversions twice to the t1 and t2 values. In normal use on a modem link this cases no visible problem but on a slower link it will break as with HZ=1000 as is typical we are running t1/t2 ten times too fast. Alek's original patch remo...
```diff diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 4cb0d0a3e57b..fc7bbba585ce 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -66,14 +66,16 @@ static int debug; module_param(debug, int, 0600); -#define T1 (HZ/10) -#define T2 (HZ/3) -#define N2 3 +/* Defaults: these are from the speci...