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2221eca0a2c0f7f9918efdcaa52fb8e1adff991f
Analyze and fix the following issue in the Linux kernel code: atm: idt77105: fix fetch_stats() result
Problem Details: copy_to_user() used PRIV(dev)->stats instead of local stats variable. Zero stats were returned to user in case of (zero != 0), also memcpy() was pointless. Signed-off-by: Vasiliy Kulikov <segoon@openwall.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/atm/idt77105.c b/drivers/atm/idt77105.c index bca9cb89a118..487a54739854 100644 --- a/drivers/atm/idt77105.c +++ b/drivers/atm/idt77105.c @@ -151,7 +151,7 @@ static int fetch_stats(struct atm_dev *dev,struct idt77105_stats __user *arg,int spin_unlock_irqrestore(&idt77105_priv_lock, flags)...
806839b22cbda90176d7f8d421889bddd7826e93
Analyze and fix the following issue in the Linux kernel code: perf: perf_event_exit_task_context: s/rcu_dereference/rcu_dereference_raw/
Problem Details: In theory, almost every user of task->child->perf_event_ctxp[] is wrong. find_get_context() can install the new context at any moment, we need read_barrier_depends(). dbe08d82ce3967ccdf459f7951d02589cf967300 "perf: Fix find_get_context() vs perf_event_exit_task() race" added rcu_dereference() into per...
```diff diff --git a/kernel/perf_event.c b/kernel/perf_event.c index c5fa717cf099..126a302c481c 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -6136,7 +6136,7 @@ static void perf_event_exit_task_context(struct task_struct *child, int ctxn) * scheduled, so we are now safe from rescheduling changing ...
3ec6080e2e5be05e6f7fbbe5ab20b0eab84e166b
Analyze and fix the following issue in the Linux kernel code: staging: Fix some incorrect use of positive error codes.
Problem Details: Use -E... instead of just E... in a few places where negative error codes are expected by a functions callers. These were found by grepping with coccinelle & then inspecting by hand to determine which were bugs. The staging/cxt1e1 driver appears to intentionally use positive E... error codes in some ...
```diff diff --git a/drivers/staging/ath6kl/os/linux/ioctl.c b/drivers/staging/ath6kl/os/linux/ioctl.c index d5f7ac08ab96..0b10376fad2d 100644 --- a/drivers/staging/ath6kl/os/linux/ioctl.c +++ b/drivers/staging/ath6kl/os/linux/ioctl.c @@ -440,7 +440,7 @@ ar6000_ioctl_set_rssi_threshold(struct net_device *dev, struct if...
55f6d0fff64dfee57812e821f846b068a8c2df01
Analyze and fix the following issue in the Linux kernel code: ath9k: Add 'misc' file to debugfs, fix queue indexes.
Problem Details: Add a misc file to show hardware op-mode, irq setup, number of various types of VIFs and more. Also, previous patches were using the wrong xmit queue indexes. Change to use the internal ath9k indexes instead of the mac80211 queue indexes. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-of...
```diff diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index b0cb792d38ca..f0c80ec290d1 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -595,10 +595,10 @@ static const struct file_operations fops_wiphy = { do { \ ...
7f010c93d73847ffc6b74b572fef9a63e305d65e
Analyze and fix the following issue in the Linux kernel code: ath9k: Keep track of stations for debugfs.
Problem Details: The stations hold the ath_node, which holds the tid and other xmit logic structures. In order to debug stuck xmit logic, we need a way to print out the tid state for the stations. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index aadb5de9ac76..d4640117fa8c 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -254,7 +254,10 @@ struct ath_atx_tid { }; struct ath_node { - struct ath_common *c...
2dac4fb97a41af1e6b7ab9f59c837d20838e92da
Analyze and fix the following issue in the Linux kernel code: ath9k: Add more information to debugfs xmit file.
Problem Details: Should help debug strange tx lockup type issues. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 5075faa618d3..577bc5a9835b 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -599,13 +599,25 @@ do { \ (unsigned int)(sc->tx.txq[WME_AC_VO].elem)); \ ...
b305dae488193b65cfa80e1c06c0aa0ce60005a9
Analyze and fix the following issue in the Linux kernel code: mac80211: Fix skb-copy failure debug message.
Problem Details: This particular error isn't about multicast. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 1236710f70e0..f36d70f5b062 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -2711,7 +2711,7 @@ static bool ieee80211_prepare_and_rx_handle(struct ieee80211_rx_data *rx, if (!skb) { if (net_ratelimit()) wiphy_debug(local->hw.wiphy, - ...
ea67485ae6894e603984c3b13b8df54ae2c128d8
Analyze and fix the following issue in the Linux kernel code: iwlwifi: fix 4965 notification wait setup
Problem Details: The notification wait support code is shared between 4965 and other AGN devices, so 4965 also has to initialize the data structures for it, otherwise it crashes. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <l...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index 3f1e5f1bf847..d9a7d93def6c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -2316,6 +2316,11 @@ static void iwl4965_rx_handler_setup(struct iwl_priv *priv) ...
311dce71b6af263a630717d77bd49cffc0d122a5
Analyze and fix the following issue in the Linux kernel code: iwlagn: properly wait for PAN disable
Problem Details: Previously I hacked this with an msleep(300) which was fine since we never had longer PAN time slots, but now that we will have them I need to fix that. Use the new notification wait support to properly wait for the WIPAN deactivation complete signal from the ucode. Signed-off-by: Johannes Berg <johan...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c index 6d140bd53291..99e96508b1dc 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c @@ -52,10 +52,14 @@ static int iwlagn_disable_pan(struct iwl_priv *pr...
34381c22b0a26ef6663f5fd92574d3f45243cabf
Analyze and fix the following issue in the Linux kernel code: staging/vt6655: fix sparse warning "obsolete struct initializer"
Problem Details: This patch fixes the sparse warnings "obsolete struct initializer, use C99 syntax" in vt6655/device_main.c by converting the struct to C99 syntax KernelVersion: linux-next-20110110 Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index f5028d9d7d9b..4fbacf8fdf21 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -312,9 +312,9 @@ static int device_notify_reboot(struct notifier_block *, unsigned long event,...
eb8393926688a6ce784c35d26dcde005e769bbdc
Analyze and fix the following issue in the Linux kernel code: staging/comedi/icp_multi: fix sparse warning "obsolete struct initializer"
Problem Details: This patch fixes the sparse warnings "obsolete struct initializer, use C99 syntax" in icp_multi.c by converting the struct to C99 syntax KernelVersion: linux-next-20110110 Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/comedi/drivers/icp_multi.c b/drivers/staging/comedi/drivers/icp_multi.c index 809d17efd5b3..0bab39b3409b 100644 --- a/drivers/staging/comedi/drivers/icp_multi.c +++ b/drivers/staging/comedi/drivers/icp_multi.c @@ -176,13 +176,13 @@ static const struct boardtype boardtypes[] = { #de...
56aec8de6ee32cde195ae83ce765583191238860
Analyze and fix the following issue in the Linux kernel code: staging/comedi/me4000: fix sparse warning "obsolete struct initializer"
Problem Details: This patch fixes the sparse warnings in me4000.c: me4000.c:122:1: warning: obsolete struct initializer, use C99 syntax me4000.c:123:1: warning: obsolete struct initializer, use C99 syntax me4000.c:124:1: warning: obsolete struct initializer, use C99 syntax me4000.c:125:1: warning: obsolete struct initi...
```diff diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c index e6825c2569a5..75511bae0191 100644 --- a/drivers/staging/comedi/drivers/me4000.c +++ b/drivers/staging/comedi/drivers/me4000.c @@ -119,10 +119,10 @@ static int me4000_attach(struct comedi_device *dev, struct...
2a9a05c43294d703e351753da49231c47e0aad0d
Analyze and fix the following issue in the Linux kernel code: Staging: easycap: fix sparse warnings for module parameters
Problem Details: easycap_main.c:34:5: warning: symbol 'easycap_debug' was not declared. Should it be static? easycap_main.c:36:5: warning: symbol 'easycap_gain' was not declared. Should it be static? These two variables actually were declared in several places. The variables are used in several files. I've fixed "easy...
```diff diff --git a/drivers/staging/easycap/easycap.h b/drivers/staging/easycap/easycap.h index 111f53c33229..1205f5f9f9e8 100644 --- a/drivers/staging/easycap/easycap.h +++ b/drivers/staging/easycap/easycap.h @@ -475,6 +475,7 @@ int audio_idle; int audio_eof; int volume; int mute; +s8 gain; struct data_buffer a...
e3dc896b21fbb4d23e2747dbe58bb9156c9e1a99
Analyze and fix the following issue in the Linux kernel code: staging: r8712u: Fix sparse message
Problem Details: Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c index 685a7b112d4b..0d288c159c1d 100644 --- a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c +++ b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c @@ -27,6 +27,7 @@ *****************************************...
18545cfd3623e5cd8960f5155f95e0a9c790a54c
Analyze and fix the following issue in the Linux kernel code: Staging: easycap: Make easycap_debug non-static
Problem Details: The parameter easycap_debug appears in macros JOT and JOM and therefore needs to be visible from all source files. The easycap_ prefix should be sufficient to avoid namespace clashes outside the module. Signed-off-by: Mike Thomas <rmthomas@sciolus.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.d...
```diff diff --git a/drivers/staging/easycap/easycap.h b/drivers/staging/easycap/easycap.h index 8ebf96f8a242..063d44718d8d 100644 --- a/drivers/staging/easycap/easycap.h +++ b/drivers/staging/easycap/easycap.h @@ -65,7 +65,6 @@ #include <linux/errno.h> #include <linux/init.h> #include <linux/slab.h> -#include <linu...
91caec33e50630fc5d1d4f36e12e1eb74cbc02e4
Analyze and fix the following issue in the Linux kernel code: staging: sep: Add comment to TODO to clean up un-needed debug prints
Problem Details: Signed-off-by: Mark Allyn <mark.a.allyn@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/sep/TODO b/drivers/staging/sep/TODO index 089c2406345e..a89e7d6ad0c9 100644 --- a/drivers/staging/sep/TODO +++ b/drivers/staging/sep/TODO @@ -3,3 +3,4 @@ Todo's so far (from Alan Cox) interfaces - Crypto API 'glue' is still not ready to submit - Clean up unused ioctls - Needs ve...
88c8a4437b061dd9dae738802a9eddc297a96278
Analyze and fix the following issue in the Linux kernel code: staging: hv: hv_utils depends on CONNECTOR
Problem Details: Don't build hv_utils when CONFIG_CONNECTOR is not enabled. Fixes these build errors: ERROR: "cn_add_callback" [drivers/staging/hv/hv_utils.ko] undefined! ERROR: "cn_del_callback" [drivers/staging/hv/hv_utils.ko] undefined! ERROR: "cn_netlink_send" [drivers/staging/hv/hv_utils.ko] undefined! Signed-of...
```diff diff --git a/drivers/staging/hv/Kconfig b/drivers/staging/hv/Kconfig index 7455c804962a..2780312cc30d 100644 --- a/drivers/staging/hv/Kconfig +++ b/drivers/staging/hv/Kconfig @@ -31,6 +31,7 @@ config HYPERV_NET config HYPERV_UTILS tristate "Microsoft Hyper-V Utilities driver" + depends on CONNECTOR defau...
bdc4bf652bc0271ba8f1f25bbd3dbac90bead44e
Analyze and fix the following issue in the Linux kernel code: rtlwifi: Fix possible NULL dereference
Problem Details: In drivers/net/wireless/rtlwifi/pci.c::_rtl_pci_rx_interrupt() we call dev_alloc_skb(), which may fail and return NULL, but we do not check the returned value against NULL before dereferencing the returned pointer. This may lead to a NULL pointer dereference which means we'll crash - not good. In a se...
```diff diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index 0fa36aa6701a..1758d4463247 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -619,6 +619,13 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) struct sk_buff *usk...
783cd01e140d9db5c2d2279a96b81e16f9d81fef
Analyze and fix the following issue in the Linux kernel code: ath9k: add missing ps wakeup/restore calls
Problem Details: There are several places where ath_reset() was called without proper calls to ath9k_ps_wakeup/ath9k_ps_restore. To fix this, add those calls directly to ath_reset and drop them from callers where it makes sense. Also add them to the config callback around ath_update_txpow to fix a crash that happens w...
```diff diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index f90a6ca94a76..c79c97be6cd4 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -592,14 +592,12 @@ void ath9k_tasklet(unsigned long data) u32 status = sc->intrstatus; ...
b2f8fb237e9cc407a02aca401369c15babae35dd
Analyze and fix the following issue in the Linux kernel code: perf symbols: Fix annotation of thumb code
Problem Details: In ARM's Thumb mode the bottom bit of the symbol address is set to mark the function as Thumb; the instructions are in reality 2 or 4 byte on 2 byte alignments, and when the +1 address is used in annotate it causes objdump to disassemble invalid instructions. The patch removes that bottom bit during s...
```diff diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 15ccfba8cdf8..e32478effed8 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1161,6 +1161,13 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, section_name = elf_sec__name(&shdr, sec...
dc5a460a1bfa44273653700e33d4e7051194cbfd
Analyze and fix the following issue in the Linux kernel code: ASoC: da8xx/omap-l1xx: match codec_name with i2c ids
Problem Details: The codec_name entry for da8xx evm in sound/soc/davinci/davinci-evm.c is not matching with the i2c ids in the board file. Without this fix the soundcard does not get detected on da850/omap-l138/am18x evm. Signed-off-by: Rajashekhara, Sudhakar <sudhakar.raj@ti.com> Tested-by: Dan Sharon <dansharon@nano...
```diff diff --git a/sound/soc/davinci/davinci-evm.c b/sound/soc/davinci/davinci-evm.c index 0c2d6bacc681..b36f0b39b090 100644 --- a/sound/soc/davinci/davinci-evm.c +++ b/sound/soc/davinci/davinci-evm.c @@ -223,7 +223,7 @@ static struct snd_soc_dai_link da8xx_evm_dai = { .stream_name = "AIC3X", .cpu_dai_name= "davi...
d5553a556165535337ece8592f066407c62eec2e
Analyze and fix the following issue in the Linux kernel code: RTC: Properly handle rtc_read_alarm error propagation and fix bug
Problem Details: In reviewing cases where the virtualized interfaces didn't propagate errors properly, I noticed rtc_read_alarm needed fixing. In doing so I noticed my RTC rework dropped a memset and that the behavior of rtc_read_alarm shouldn't be conditionalized on the alarm.enabled flag (as the alarm may be set, but...
```diff diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index f1ba2c696528..925006d33109 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -123,12 +123,18 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) err = mutex_lock_interruptible(&rtc->ops_lock); if (er...
8a6afb9a950de01457a4267bcbe3292e56412326
Analyze and fix the following issue in the Linux kernel code: spi/spi_sh_msiof: fix wrong address calculation, which leads to an Oops
Problem Details: NULL + <small offset> != NULL, but reading from that <small offset> address is usually not a very good idea and often leads to problems, like kernel Oopses in this case, easily reproducible by writing to an SD-card, used in SPI mode. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-...
```diff diff --git a/drivers/spi/spi_sh_msiof.c b/drivers/spi/spi_sh_msiof.c index 56f60c8ea0ab..2c665fceaac7 100644 --- a/drivers/spi/spi_sh_msiof.c +++ b/drivers/spi/spi_sh_msiof.c @@ -509,9 +509,11 @@ static int sh_msiof_spi_txrx(struct spi_device *spi, struct spi_transfer *t) bytes_done = 0; while (bytes_done...
8e1b4cf2108488ccfb9a3e7ed7cd85a435e01d4b
Analyze and fix the following issue in the Linux kernel code: xen: p2m: correctly initialize partial p2m leaf
Problem Details: After changing the p2m mapping to a tree by commit 58e05027b530ff081ecea68e38de8d59db8f87e0 xen: convert p2m to a 3 level tree and trying to boot a DomU with 615MB of memory, the following crash was observed in the dump: kernel direct mapping tables up to 26f00000 @ 1ec4000-1fff000 BUG: unable...
```diff diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index 8f2251d2a3f8..ddc81a06edb9 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -237,7 +237,25 @@ void __init xen_build_dynamic_phys_to_machine(void) p2m_top[topidx] = mid; } - p2m_top[topidx][mididx] = &mfn_list[pfn]; + /* + * As lo...
547e9fd7d328af261f184bf66effc5033c886498
Analyze and fix the following issue in the Linux kernel code: perf: Annotate cpuctx->ctx.mutex to avoid a lockdep splat
Problem Details: Lockdep spotted: loop_1b_instruc/1899 is trying to acquire lock: (event_mutex){+.+.+.}, at: [<ffffffff810e1908>] perf_trace_init+0x3b/0x2f7 but task is already holding lock: (&ctx->mutex){+.+.+.}, at: [<ffffffff810eb45b>] perf_event_init_context+0xc0/0x218 which lock already depends on the ne...
```diff diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 244ca3acb0ee..c5fa717cf099 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -5380,6 +5380,8 @@ free_dev: goto out; } +static struct lock_class_key cpuctx_mutex; + int perf_pmu_register(struct pmu *pmu, char *name, int type) { int...
b8d6568a122ab7bd47b151ff9f9a40cebea579c0
Analyze and fix the following issue in the Linux kernel code: ext4: Fix comment typo "especiially".
Problem Details: Change "especiially" to "especially". Cc: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Tao Ma <boyu.mt@taobao.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
```diff diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index c4068f6abf03..6b90b6825d32 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -131,7 +131,7 @@ static ext4_fsblk_t ext4_ext_find_goal(struct inode *inode, * fragmenting the file system's free space. Maybe we * should have some hueristics o...
30139785e615c97497864a89511db02839fa7bf5
Analyze and fix the following issue in the Linux kernel code: cris: Use generic irq Kconfig
Problem Details: Use the generic irq Kconfig. Select GENERIC_HARDIRQS_NO_DEPRECATED as we have converted all irq_chip functions. Fix the fallout in show_interrupts(). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Mikael Starvik <starvik@axis.com>
```diff diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig index 613e62831c55..0a7a4c11d8b1 100644 --- a/arch/cris/Kconfig +++ b/arch/cris/Kconfig @@ -54,6 +54,8 @@ config CRIS bool default y select HAVE_IDE + select HAVE_GENERIC_HARDIRQS + select GENERIC_HARDIRQS_NO_DEPRECATED config HZ int @@ -67,10 +69,6 ...
ffa934f192c8381061242eb170419266ef229902
Analyze and fix the following issue in the Linux kernel code: rtnetlink: fix link attribute validation with IFLA_GROUP
Problem Details: rtnl_group_changelink() is invoked by rtnl_newlink() before the link attributes have been validated. Additionally the group changes are performed even if NLM_F_CREATE is specified and a new link is created, while more reasonable semantics would be to set the group value on the newly created link. Fix ...
```diff diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index a0b2eeb3b610..310eb804e092 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1548,6 +1548,8 @@ struct net_device *rtnl_create_link(struct net *src_net, struct net *net, set_operstate(dev, nla_get_u8(tb[IFLA_OPERSTATE])); if (tb[I...
cb1b145929b5b7e1bdc5f76dd2905df9f89c038e
Analyze and fix the following issue in the Linux kernel code: Input: sparse-keymap - fix KEY_VSW handling in sparse_keymap_setup
Problem Details: We were forgetting to set up device capabilities for KEY_VSW entries. Reported-by: Tapio Vihuri <tapio.vihuri@nokia.com> Tested-by: Tapio Vihuri <tapio.vihuri@nokia.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
```diff diff --git a/drivers/input/sparse-keymap.c b/drivers/input/sparse-keymap.c index a29a7812bd46..7729e547ba65 100644 --- a/drivers/input/sparse-keymap.c +++ b/drivers/input/sparse-keymap.c @@ -201,6 +201,7 @@ int sparse_keymap_setup(struct input_dev *dev, break; case KE_SW: + case KE_VSW: __set_bit(...
b48f8c23c336d82c1af9a53187568bdb6e86b8a8
Analyze and fix the following issue in the Linux kernel code: ppp: Clean up kernel log messages.
Problem Details: Use netdev_*() and pr_*(). To preserve existing semantics in cases where KERN_DEBUG is indeed appropriate, use netdev_printk(KERN_DEBUG, ...) Convert PPPIOCDETACH to pr_warn() because an unexpected file count is a serious bug and should be logged with KERN_WARN. Signed-off-by: David S. Miller <davem...
```diff diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index c7a6c4466978..3d7a38eeacda 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -592,8 +592,8 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) ppp_release(NULL, file); err = 0; ...
f6e9495d68b91138afbf929c222a09f5d12b29fa
Analyze and fix the following issue in the Linux kernel code: serial: sh-sci: Fix up earlyprintk port mapping.
Problem Details: The earlyprintk path needs to establish the membase cookie, but is too early for general resource management. Split out the remap logic accordingly. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
```diff diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 7b2760be0260..c55cec5ba992 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -1602,6 +1602,34 @@ static inline unsigned long sci_port_size(struct uart_port *port) return 64; } +static int sci_remap_port(struct uart_por...
8bfc5e36619e8464bf529137f834f55bd75de381
Analyze and fix the following issue in the Linux kernel code: powerpc/mpic: Fix mask/unmask timeout message
Problem Details: Don't say that enable timed out when it was disable, and show which IRQ had the problem. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
```diff diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 7c1342618a30..b0c8469e5ddd 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -674,7 +674,8 @@ void mpic_unmask_irq(unsigned int irq) /* make sure mask gets to controller before we return to user */ do { i...
d368514c3097a48a109b6ba64e12047106c7473d
Analyze and fix the following issue in the Linux kernel code: powerpc: Fix corruption when grabbing FWNMI data
Problem Details: The FWNMI code uses a global buffer without any locks to read the RTAS error information. If two CPUs take a machine check at once then we will corrupt this buffer. Since most FWNMI rtas messages are not of the extended type, we can create a 64bit percpu buffer and use it where possible. If we do rece...
```diff diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c index d194150cf342..c55d7ad9c648 100644 --- a/arch/powerpc/platforms/pseries/ras.c +++ b/arch/powerpc/platforms/pseries/ras.c @@ -54,7 +54,8 @@ static unsigned char ras_log_buf[RTAS_ERROR_LOG_MAX]; static DEFINE_SPINLOCK(...
e49b1fae0ba4d06b29bd753a961abb447566bf4a
Analyze and fix the following issue in the Linux kernel code: powerpc: Don't silently handle machine checks from userspace
Problem Details: If a machine check comes from userspace we send a SIGBUS to the task and fail to printk anything. If we are taking machine checks due to bad hardware we want to know about it right away. Furthermore if we don't complain loudly then it will look a lot like a bug in the userspace application, potentiall...
```diff diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 9e24224962d9..bd74fac169be 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -626,11 +626,6 @@ void machine_check_exception(struct pt_regs *regs) if (recover > 0) return; - if (user_mode(regs)) { - _...
158d5b5e3654938cca963eec82cd10af49cda17f
Analyze and fix the following issue in the Linux kernel code: powerpc/kdump: Move crash_kexec_stop_spus to kdump crash handler
Problem Details: Use the crash handler hooks to run the SPU stop code, just like we do for ehea and cell RAS code. While I'm here I noticed "CPUSs reliabally" so fix the spelling MISTAKESs reliabally. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
```diff diff --git a/arch/powerpc/include/asm/spu.h b/arch/powerpc/include/asm/spu.h index 0ab8d869e3d6..0c8b35d75232 100644 --- a/arch/powerpc/include/asm/spu.h +++ b/arch/powerpc/include/asm/spu.h @@ -203,14 +203,6 @@ void spu_irq_setaffinity(struct spu *spu, int cpu); void spu_setup_kernel_slbs(struct spu *spu, str...
f32be0c54057faac90e0b5e9e13fa9f8fab127ac
Analyze and fix the following issue in the Linux kernel code: powerpc/macintosh: Fix wrong test in fan_{read,write}_reg()
Problem Details: Fix error test in fan_{read,write}_reg() Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
```diff diff --git a/drivers/macintosh/therm_pm72.c b/drivers/macintosh/therm_pm72.c index 2e041fd0a00c..f3a29f264db9 100644 --- a/drivers/macintosh/therm_pm72.c +++ b/drivers/macintosh/therm_pm72.c @@ -443,7 +443,7 @@ static int fan_read_reg(int reg, unsigned char *buf, int nb) tries = 0; for (;;) { nr = i2c_ma...
99d86c8f1b7101d7c55dbf644b32bb1f0d7eb303
Analyze and fix the following issue in the Linux kernel code: cifs: fix up CIFSSMBEcho for unaligned access
Problem Details: Make sure that CIFSSMBEcho can handle unaligned fields. Also fix a minor bug that causes this warning: fs/cifs/cifssmb.c: In function 'CIFSSMBEcho': fs/cifs/cifssmb.c:740: warning: large integer implicitly truncated to unsigned type ...WordCount is u8, not __le16, so no need to convert it. This patc...
```diff diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 675041a6949c..3106f5e5c633 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -733,9 +733,9 @@ CIFSSMBEcho(struct TCP_Server_Info *server) /* set up echo request */ smb->hdr.Tid = cpu_to_le16(0xffff); - smb->hdr.WordCount = cpu_to_le16(1); - ...
225c8e010f2d17a62aef131e24c6e7c111f36f9b
Analyze and fix the following issue in the Linux kernel code: kernel/smp.c: consolidate writes in smp_call_function_interrupt()
Problem Details: We have to test the cpu mask in the interrupt handler before checking the refs, otherwise we can start to follow an entry before its deleted and find it partially initailzed for the next trip. Presently we also clear the cpumask bit before executing the called function, which implies getting write acc...
```diff diff --git a/kernel/smp.c b/kernel/smp.c index 17c6e5860231..2fe66f7c617a 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -194,6 +194,7 @@ void generic_smp_call_function_interrupt(void) */ list_for_each_entry_rcu(data, &call_function.queue, csd.list) { int refs; + void (*func) (void *info); /* ...
6dc19899958e420a931274b94019e267e2396d3e
Analyze and fix the following issue in the Linux kernel code: kernel/smp.c: fix smp_call_function_many() SMP race
Problem Details: I noticed a failure where we hit the following WARN_ON in generic_smp_call_function_interrupt: if (!cpumask_test_and_clear_cpu(cpu, data->cpumask)) continue; data->csd.func(data->csd.info); refs = atomic_dec_return(&data->refs);...
```diff diff --git a/kernel/smp.c b/kernel/smp.c index 4ec30e069987..17c6e5860231 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -195,6 +195,24 @@ void generic_smp_call_function_interrupt(void) list_for_each_entry_rcu(data, &call_function.queue, csd.list) { int refs; + /* + * Since we walk the list without a...
2550326ac7a062fdfc204f9a3b98bdb9179638fc
Analyze and fix the following issue in the Linux kernel code: backlight: fix 88pm860x_bl macro collision
Problem Details: Fix collision with kernel-supplied #define: drivers/video/backlight/88pm860x_bl.c:24:1: warning: "CURRENT_MASK" redefined arch/x86/include/asm/page_64_types.h:6:1: warning: this is the location of the previous definition Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Haojian Zhuang <ha...
```diff diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c index c789c46e38af..b224396b86d5 100644 --- a/drivers/video/backlight/88pm860x_bl.c +++ b/drivers/video/backlight/88pm860x_bl.c @@ -21,7 +21,7 @@ #define MAX_BRIGHTNESS (0xFF) #define MIN_BRIGHTNESS (0) -#define CUR...
382e27daa542ce97c500dc357841c6416c735cc2
Analyze and fix the following issue in the Linux kernel code: mm: fix truncate_setsize() comment
Problem Details: Contrary to what the comment says, truncate_setsize() should be called *before* filesystem truncated blocks. Signed-off-by: Jan Kara <jack@suse.cz> Cc: Christoph Hellwig <hch@infradead.org> Cc: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Li...
```diff diff --git a/mm/truncate.c b/mm/truncate.c index 3c2d5ddfa0d4..49feb46e77b8 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -549,13 +549,12 @@ EXPORT_SYMBOL(truncate_pagecache); * @inode: inode * @newsize: new file size * - * truncate_setsize updastes i_size update and performs pagecache - * truncation ...
987eba66e0e6aa654d60881a14731a353ee0acb4
Analyze and fix the following issue in the Linux kernel code: memcg: fix rmdir, force_empty with THP
Problem Details: Now, when THP is enabled, memcg's rmdir() function is broken because move_account() for THP page is not supported. This will cause account leak or -EBUSY issue at rmdir(). This patch fixes the issue by supporting move_account() THP pages. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.c...
```diff diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 7a94ef6b35e2..5b562b375cbd 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2197,8 +2197,11 @@ void mem_cgroup_split_huge_fixup(struct page *head, struct page *tail) */ static void __mem_cgroup_move_account(struct page_cgroup *pc, - struct mem_cgro...
ece35ca810326946ddc930c43356312ad5de44d4
Analyze and fix the following issue in the Linux kernel code: memcg: fix LRU accounting with THP
Problem Details: memory cgroup's LRU stat should take care of size of pages because Transparent Hugepage inserts hugepage into LRU. If this value is the number wrong, memory reclaim will not work well. Note: only head page of THP's huge page is linked into LRU. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fu...
```diff diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 848b42195e5b..7a94ef6b35e2 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -814,7 +814,8 @@ void mem_cgroup_del_lru_list(struct page *page, enum lru_list lru) * removed from global LRU. */ mz = page_cgroup_zoneinfo(pc); - MEM_CGROUP_ZSTAT(mz, lr...
ca3e021417eed30ec2b64ce88eb0acf64aa9bc29
Analyze and fix the following issue in the Linux kernel code: memcg: fix USED bit handling at uncharge in THP
Problem Details: Now, under THP: at charge: - PageCgroupUsed bit is set to all page_cgroup on a hugepage. ....set to 512 pages. at uncharge - PageCgroupUsed bit is unset on the head page. So, some pages will remain with "Used" bit. This patch fixes that Used bit is set only to the head page. Used bits for ta...
```diff diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 6a576f989437..f512e189be5a 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -146,6 +146,10 @@ unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order, gfp_t gfp_mask); u64 mem_cgroup_ge...
e401f1761c0b01966e36e41e2c385d455a7b44ee
Analyze and fix the following issue in the Linux kernel code: memcg: modify accounting function for supporting THP better
Problem Details: mem_cgroup_charge_statisics() was designed for charging a page but now, we have transparent hugepage. To fix problems (in following patch) it's required to change the function to get the number of pages as its arguments. The new function gets following as argument. - type of page rather than 'pc' ...
```diff diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 8ab841031436..6d59a2bd520a 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -600,23 +600,22 @@ static void mem_cgroup_swap_statistics(struct mem_cgroup *mem, } static void mem_cgroup_charge_statistics(struct mem_cgroup *mem, - struct page_cgroup...
abb65272a190660790096628859e752172d822fd
Analyze and fix the following issue in the Linux kernel code: memblock: fix memblock_is_region_memory()
Problem Details: memblock_is_region_memory() uses reserved memblocks to search for the given region, while it should use the memory memblocks. I encountered the problem with OMAP's framebuffer ram allocation. Normally the ram is allocated dynamically, and this function is not called. However, if we want to pass the f...
```diff diff --git a/mm/memblock.c b/mm/memblock.c index 400dc62697d7..bdba245d8afd 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -683,13 +683,13 @@ int __init_memblock memblock_is_memory(phys_addr_t addr) int __init_memblock memblock_is_region_memory(phys_addr_t base, phys_addr_t size) { - int idx = memblock_s...
453c719261c0b4030b2676124adb6e81c5fb6833
Analyze and fix the following issue in the Linux kernel code: thp: keep highpte mapped until it is no longer needed
Problem Details: Two users reported THP-related crashes on 32-bit x86 machines. Their oops reports indicated an invalid pte, and subsequent code inspection showed that the highpte is actually used after unmap. The fix is to unmap the pte only after all operations against it are finished. Signed-off-by: Johannes Wein...
```diff diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 004c9c2aac78..c4f634b3a48e 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1837,9 +1837,9 @@ static void collapse_huge_page(struct mm_struct *mm, spin_lock(ptl); isolated = __collapse_huge_page_isolate(vma, address, pte); spin_unlock(ptl); - ...
4dce2396b329ef6a14b40c5416d6f76005097b0d
Analyze and fix the following issue in the Linux kernel code: enic: Bug Fix: Dont reset ENIC_SET_APPLIED flag on port profile disassociate
Problem Details: enic_get_vf_port returns port profile operation status only if ENIC_SET_APPLIED flag is set. A recent rework of enic_set_port_profile added code to reset this flag on disassociate. As a result of which a client calling enic_get_vf_port to get the status of port profile disassociate will always get a re...
```diff diff --git a/drivers/net/enic/enic.h b/drivers/net/enic/enic.h index a937f49d9db7..ca3be4f15556 100644 --- a/drivers/net/enic/enic.h +++ b/drivers/net/enic/enic.h @@ -32,8 +32,8 @@ #define DRV_NAME "enic" #define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver" -#define DRV_VERSION "1.4.1.10" -#define DRV...
6193d2be290990b789021e06fa770ecb45319f2d
Analyze and fix the following issue in the Linux kernel code: neigh: __rcu annotations
Problem Details: fix some minor issues and sparse (__rcu) warnings Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 60a902913429..799f06e03a22 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -316,7 +316,7 @@ static struct neigh_hash_table *neigh_hash_alloc(unsigned int entries) { size_t size = entries * sizeof(struct neighbour *); struct neig...
753ea8e96258d87be1951083b5c4a368524515f1
Analyze and fix the following issue in the Linux kernel code: net: ipv6: sit: fix rcu annotations
Problem Details: Fix minor __rcu annotations and remove sparse warnings Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 8ce38f10a547..b1599a345c10 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -412,7 +412,7 @@ static void prl_list_destroy_rcu(struct rcu_head *head) p = container_of(head, struct ip_tunnel_prl_entry, rcu_head); do { - n = p->next; + n = rcu_dereferen...
2ffa007eaa01cf5fedd6a71f7d43854339a831ee
Analyze and fix the following issue in the Linux kernel code: via-velocity: fix the WOL bug on 1000M full duplex forced mode.
Problem Details: The VIA velocity card can't be waken up by WOL tool on 1000M full duplex forced mode. This patch fixes the bug. Signed-off-by: David Lv <DavidLv@viatech.com.cn> Acked-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c index 09cac704fdd7..0d6fec6b7d93 100644 --- a/drivers/net/via-velocity.c +++ b/drivers/net/via-velocity.c @@ -2923,6 +2923,7 @@ static u16 wol_calc_crc(int size, u8 *pattern, u8 *mask_pattern) static int velocity_set_wol(struct velocity_info ...
b30532515f0a62bfe17207ab00883dd262497006
Analyze and fix the following issue in the Linux kernel code: bonding: Ensure that we unshare skbs prior to calling pskb_may_pull
Problem Details: Recently reported oops: kernel BUG at net/core/skbuff.c:813! invalid opcode: 0000 [#1] SMP last sysfs file: /sys/devices/virtual/net/bond0/broadcast CPU 8 Modules linked in: sit tunnel4 cpufreq_ondemand acpi_cpufreq freq_table bonding ipv6 dm_mirror dm_region_hash dm_log cdc_ether usbnet mii serio_raw...
```diff diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index 48cf24ff4e6f..c91874d25e54 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -2470,6 +2470,10 @@ int bond_3ad_lacpdu_recv(struct sk_buff *skb, struct net_device *dev, struct pac if (!(dev->flag...
6a3c869a6021f4abcd69aa5fbb15c63f69eb36fe
Analyze and fix the following issue in the Linux kernel code: cxgb4: fix reported state of interfaces without link
Problem Details: Currently tools like ip and ifconfig report incorrect state for cxgb4 interfaces that are up but do not have link and do so until first link establishment. This is because the initial netif_carrier_off call is before register_netdev and it needs to be after to be fully effective. Fix this by moving ne...
```diff diff --git a/drivers/net/cxgb4/cxgb4_main.c b/drivers/net/cxgb4/cxgb4_main.c index 059c1eec8c3f..ec35d458102c 100644 --- a/drivers/net/cxgb4/cxgb4_main.c +++ b/drivers/net/cxgb4/cxgb4_main.c @@ -2710,6 +2710,8 @@ static int cxgb_open(struct net_device *dev) struct port_info *pi = netdev_priv(dev); struct ad...
28e58ee8ce1f0e69c207f747b7b9054b071e328d
Analyze and fix the following issue in the Linux kernel code: Fix broken "pipe: use event aware wakeups" optimization
Problem Details: Commit e462c448fdc8 ("pipe: use event aware wakeups") optimized the pipe event wakeup calls to avoid wakeups if the events do not match the requested set. However, the optimization was buggy, in that it didn't actually use the correct sets for the events: when we make room for more data to be written,...
```diff diff --git a/fs/pipe.c b/fs/pipe.c index 89e9e19b1b2e..da42f7db50de 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -441,7 +441,7 @@ redo: break; } if (do_wakeup) { - wake_up_interruptible_sync_poll(&pipe->wait, POLLOUT); + wake_up_interruptible_sync_poll(&pipe->wait, POLLOUT | POLLWRNORM); kill_fa...
d7b9935a347ae954be907ea3d5eb4564ff124c53
Analyze and fix the following issue in the Linux kernel code: i915: Fix i915 suspend delay
Problem Details: During system suspend, the "wait for ring buffer to empty" loop would always time out after three seconds, because the faster cached ring buffer head read would always return zero. Force the slow-and-careful PIO read on all but the first iterations of the loop to fix it. This also removes the unused ...
```diff diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 03e337072517..f6b9baa6a63d 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -928,6 +928,7 @@ static int intel_wrap_ring_buffer(struct intel_ring_buffer *ring)...
951fc8ed5cf346efb1fe18dabb739bcb9d3403c6
Analyze and fix the following issue in the Linux kernel code: Staging: rtl8192e: Fix typo in enum name
Problem Details: Signed-off-by: Mike McCormack <mikem@ring3k.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211.h b/drivers/staging/rtl8192e/ieee80211/ieee80211.h index dda6719234c9..933c800d6402 100644 --- a/drivers/staging/rtl8192e/ieee80211/ieee80211.h +++ b/drivers/staging/rtl8192e/ieee80211/ieee80211.h @@ -1919,7 +1919,7 @@ typedef enum _HW_VARIABLES{ HW_VA...
c4586c16859861df6af51d0aab5c4738c0e4ac44
Analyze and fix the following issue in the Linux kernel code: staging:zram:xvmalloc.c Fix a typo.
Problem Details: Not exactly sure if this is a typo or not, due to my search results comming up with not that many hits. Either its dereferenceable or dereferencable from the two I choose the later. if it's wrong let me know and I'll resend. Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Signed-off-by: Gre...
```diff diff --git a/drivers/staging/zram/xvmalloc.c b/drivers/staging/zram/xvmalloc.c index b64406739d05..3ed744ba7ba0 100644 --- a/drivers/staging/zram/xvmalloc.c +++ b/drivers/staging/zram/xvmalloc.c @@ -46,7 +46,7 @@ static void clear_flag(struct block_header *block, enum blockflags flag) } /* - * Given <page, ...
7606ee8aa33287dd3e6eb44c78541b87a413a325
Analyze and fix the following issue in the Linux kernel code: staging: usbip: vhci: update reference count for usb_device
Problem Details: This fixes an oops observed when reading status during removal of a device: [ 1706.648285] general protection fault: 0000 [#1] SMP [ 1706.648294] last sysfs file: /sys/devices/platform/vhci_hcd/status [ 1706.648297] CPU 1 [ 1706.648300] Modules linked in: binfmt_misc microcode fuse loop vhci_hcd(N) us...
```diff diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/staging/usbip/vhci_hcd.c index 08bd26a245d5..5f1e2b0a628a 100644 --- a/drivers/staging/usbip/vhci_hcd.c +++ b/drivers/staging/usbip/vhci_hcd.c @@ -607,7 +607,9 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, dev_info(dev, "SetAddre...
2d8f4595d1f275f424a8920bb2563fc547661213
Analyze and fix the following issue in the Linux kernel code: staging: usbip: stub: update refcounts for devices and interfaces
Problem Details: The stub driver expects to access the usb interface and usb device structures even if the device has been disconnected in the meantime. This change gets a reference to them in the stub probe function using usb_get_intf()/usb_get_dev() and drops them in the disconnect function. This fixes an oops obse...
```diff diff --git a/drivers/staging/usbip/stub.h b/drivers/staging/usbip/stub.h index 30dbfb6d16f2..d73267961ef4 100644 --- a/drivers/staging/usbip/stub.h +++ b/drivers/staging/usbip/stub.h @@ -32,6 +32,7 @@ struct stub_device { struct usb_interface *interface; + struct usb_device *udev; struct list_head list; ...
c331e766f9a3dd2d05f209a39859bb206f723fae
Analyze and fix the following issue in the Linux kernel code: staging: ft1000-pcmcia: Fix compilation errors.
Problem Details: Following patch will fix all compilation errors. Main problems was with pcmcia API changes. Also remove BROKEN as now driver is properly build. Signed-off-by: Marek Belisko <marek.belisko@open-nandra.com> Signed-off-by: Stano Lanci <chl.pixo@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de...
```diff diff --git a/drivers/staging/ft1000/Kconfig b/drivers/staging/ft1000/Kconfig index d6da1304b45f..c54b4e83d6e9 100644 --- a/drivers/staging/ft1000/Kconfig +++ b/drivers/staging/ft1000/Kconfig @@ -13,7 +13,7 @@ config FT1000_USB config FT1000_PCMCIA tristate "Driver for ft1000 pcmcia device." - depends on PC...
267024a9f6cc7f7e26ed57424d5d0c8558769b56
Analyze and fix the following issue in the Linux kernel code: Staging: iio: --/++ confusion in build_channel_array() error cleanup
Problem Details: Fix loop: it should decrement Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Acked-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/iio/Documentation/iio_utils.h b/drivers/staging/iio/Documentation/iio_utils.h index 03724246b95a..4dc961ced35e 100644 --- a/drivers/staging/iio/Documentation/iio_utils.h +++ b/drivers/staging/iio/Documentation/iio_utils.h @@ -398,7 +398,7 @@ inline int build_channel_array(const char...
628f34282db49359576dcb8cbaea65b4bf083ebd
Analyze and fix the following issue in the Linux kernel code: staging: speakup: more fixes for init-failure handling.
Problem Details: We still leaked many resources when Speakup failed to initialize. Examples of leaked resources include: /dev/synth, keyboard or VT notifiers, and heap-allocated st_spk_t structs. This is fixed. * We now use PTR_ERR to detect kthread_create failure (thank you Dan Carpenter). * The loop which frees mem...
```diff diff --git a/drivers/staging/speakup/main.c b/drivers/staging/speakup/main.c index 3cd00396a462..cd981a13c12d 100644 --- a/drivers/staging/speakup/main.c +++ b/drivers/staging/speakup/main.c @@ -1283,7 +1283,7 @@ static int edit_bits(struct vc_data *vc, u_char type, u_char ch, u_short key) } /* Allocation c...
324719978dbb3ffad5a2e3d85af6c5dbbb766b99
Analyze and fix the following issue in the Linux kernel code: firewire: net: is not experimental anymore
Problem Details: thanks to Clemens' and Maxim's fixes to firewire-ohci and -net in the last two kernel releases. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
```diff diff --git a/drivers/firewire/Kconfig b/drivers/firewire/Kconfig index 68f942cb30f2..0c56989cd907 100644 --- a/drivers/firewire/Kconfig +++ b/drivers/firewire/Kconfig @@ -49,15 +49,13 @@ config FIREWIRE_SBP2 configuration section. config FIREWIRE_NET - tristate "IP networking over 1394 (EXPERIMENTAL)" - ...
6044565af458e7fa6e748bff437ecc49dea88d79
Analyze and fix the following issue in the Linux kernel code: firewire: core: fix unstable I/O with Canon camcorder
Problem Details: Regression since commit 10389536742c, "firewire: core: check for 1394a compliant IRM, fix inaccessibility of Sony camcorder": The camcorder Canon MV5i generates lots of bus resets when asynchronous requests are sent to it (e.g. Config ROM read requests or FCP Command write requests) if the camcorder i...
```diff diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c index be0492398ef9..24ff35511e2b 100644 --- a/drivers/firewire/core-card.c +++ b/drivers/firewire/core-card.c @@ -75,6 +75,8 @@ static size_t config_rom_length = 1 + 4 + 1 + 1; #define BIB_IRMC ((1) << 31) #define NODE_CAPABILITIES 0x0c...
84cdf74e8096a10dd6acbb870dd404b92f07a756
Analyze and fix the following issue in the Linux kernel code: cifs: fix unaligned accesses in cifsConvertToUCS
Problem Details: Move cifsConvertToUCS to cifs_unicode.c where all of the other unicode related functions live. Have it store mapped characters in 'temp' and then use put_unaligned_le16 to copy it to the target buffer. Also fix the comments to match kernel coding style. Signed-off-by: Jeff Layton <jlayton@redhat.com> ...
```diff diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c index 5f6e71857be6..fc0fd4fde306 100644 --- a/fs/cifs/cifs_unicode.c +++ b/fs/cifs/cifs_unicode.c @@ -257,3 +257,79 @@ cifs_strndup_from_ucs(const char *src, const int maxlen, const bool is_unicode, return dst; } +/* + * Convert 16 bit Unicode pa...
26ec254869c0158ea8db6de83b7644e2d93cac2a
Analyze and fix the following issue in the Linux kernel code: cifs: fix unaligned access in check2ndT2 and coalesce_t2
Problem Details: Signed-off-by: Jeff Layton <jlayton@redhat.com> Acked-by: Pavel Shilovsky <piastryyy@gmail.com> Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
```diff diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index ca20e813275d..18d3c7724d6e 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -232,9 +232,8 @@ cifs_reconnect(struct TCP_Server_Info *server) static int check2ndT2(struct smb_hdr *pSMB, unsigned int maxBufSize) { struct smb_t2_rsp *pSMBt; - int...
690c522fa5a62825af880775e3ef1e55755667b2
Analyze and fix the following issue in the Linux kernel code: cifs: use get/put_unaligned functions to access ByteCount
Problem Details: It's possible that when we access the ByteCount that the alignment will be off. Most CPUs deal with that transparently, but there's usually some performance impact. Some CPUs raise an exception on unaligned accesses. Fix this by accessing the byte count using the get_unaligned and put_unaligned inline...
```diff diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h index ea205b4fcad2..b5c8cc5d7a7f 100644 --- a/fs/cifs/cifspdu.h +++ b/fs/cifs/cifspdu.h @@ -23,6 +23,7 @@ #define _CIFSPDU_H #include <net/sock.h> +#include <asm/unaligned.h> #include "smbfsctl.h" #ifdef CONFIG_CIFS_WEAK_PW_HASH @@ -426,11 +427,49 @@ st...
b23fffd778c312b8fb258d342051fcbdf6712128
Analyze and fix the following issue in the Linux kernel code: ACPI / Battery: remove battery refresh on resume
Problem Details: This partially reverts commit da8aeb92d4853f37e281f11fddf61f9c7d84c3cd ("ACPI / Battery: Update information on info notification and resume"), which causes a hang on resume on at least some machines. This bug was bisected on an ASUS EeePC 901, which hangs at resume time if we do that "acpi_battery_ref...
```diff diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 68bc227e7c4c..ac1a599f5147 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -998,7 +998,6 @@ static int acpi_battery_resume(struct acpi_device *device) if (!device) return -EINVAL; battery = acpi_driver_data(device); - ...
e7bf352fcd85c33b0805da891fc97fea8b5e996e
Analyze and fix the following issue in the Linux kernel code: Staging: speakup: &&/|| confusion in silent_store()
Problem Details: Fix test: the branch is always taken. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/speakup/kobjects.c b/drivers/staging/speakup/kobjects.c index 408bb9b3303e..07a7f5432597 100644 --- a/drivers/staging/speakup/kobjects.c +++ b/drivers/staging/speakup/kobjects.c @@ -332,7 +332,7 @@ static ssize_t silent_store(struct kobject *kobj, struct kobj_attribute *attr, unsi...
e71a7fd259943a2c2e11484880c80248ad139fe5
Analyze and fix the following issue in the Linux kernel code: iio: Fixpoint formatted output bugfix
Problem Details: Fix some ADC drivers' _scale interface to correct fixpoint formatted output Signed-off-by: Roland Stigge <stigge@antcom.de> Acked-by: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Michael Hennerich <Michael.Hennerich@analog.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@s...
```diff diff --git a/drivers/staging/iio/adc/ad7476_core.c b/drivers/staging/iio/adc/ad7476_core.c index deb68c8a6e18..b8b54da67c63 100644 --- a/drivers/staging/iio/adc/ad7476_core.c +++ b/drivers/staging/iio/adc/ad7476_core.c @@ -68,7 +68,7 @@ static ssize_t ad7476_show_scale(struct device *dev, /* Corresponds to Vr...
9c33008412683eba91bce2dc4575f28c728b6bd1
Analyze and fix the following issue in the Linux kernel code: staging: rt2860: Fix incorrect netif_stop_queue usage warning
Problem Details: The TX queues are allocated inside register_netdev. It doesn't make any sense to stop the queue before allocation. Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/rt2860/rt_main_dev.c b/drivers/staging/rt2860/rt_main_dev.c index 701561d6b6fd..236dd36d349a 100644 --- a/drivers/staging/rt2860/rt_main_dev.c +++ b/drivers/staging/rt2860/rt_main_dev.c @@ -484,8 +484,6 @@ struct net_device *RtmpPhyNetDevInit(struct rt_rtmp_adapter *pAd, net_dev->...
e375870b9295be40de7372c3c9de6799e254c96a
Analyze and fix the following issue in the Linux kernel code: staging: r8712u: Fix memory leak in firmware loading
Problem Details: The error path leaks the firmware struct. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/rtl8712/hal_init.c b/drivers/staging/rtl8712/hal_init.c index 32088a641eba..84be383abec3 100644 --- a/drivers/staging/rtl8712/hal_init.c +++ b/drivers/staging/rtl8712/hal_init.c @@ -128,12 +128,13 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter) u8 *ptmpchar = NULL, *ppayload...
64911e4b133ff633563d6dd2b021fa1ca0608992
Analyze and fix the following issue in the Linux kernel code: Staging: ath6kl: fix potential buffer overflow
Problem Details: Off by one Signed-off-by: Phillip Simbwa <simbwa at gmail dot com> Signed-off-by: Vipin Mehta <vmehta@atheros.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsconfig.c b/drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsconfig.c index 0e298dba9fc8..29b8ab44ea47 100644 --- a/drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsconfig.c +++ b/drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsconfig.c @@ -360,8 +360,8 @@ int PSSendOps...
bced94ed5efad836859d9426f37f48d46218e99a
Analyze and fix the following issue in the Linux kernel code: netfilter: add a missing include in nf_conntrack_reasm.c
Problem Details: After commit ae90bdeaeac6b (netfilter: fix compilation when conntrack is disabled but tproxy is enabled) we have following warnings : net/ipv6/netfilter/nf_conntrack_reasm.c:520:16: warning: symbol 'nf_ct_frag6_gather' was not declared. Should it be static? net/ipv6/netfilter/nf_conntrack_reasm.c:591:...
```diff diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index 66e003e1fcd5..085727263812 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -45,6 +45,7 @@ #include <linux/netfilter_ipv6.h> #include <linux/kernel.h> #inc...
d70c673153d42e8aefd5ac296c8159ef222d076b
Analyze and fix the following issue in the Linux kernel code: staging: hv: fix netvsc sleeping while atomic
Problem Details: The channel callbacks are called directly from vmbus_event_dpc which runs in tasklet context. These callbacks need to use GFP_ATOMIC. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=16701 Cc: Hank Janssen <hjanssen@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Timo Te...
```diff diff --git a/drivers/staging/hv/netvsc.c b/drivers/staging/hv/netvsc.c index df9cd131e953..0edbe7483a4c 100644 --- a/drivers/staging/hv/netvsc.c +++ b/drivers/staging/hv/netvsc.c @@ -1279,7 +1279,7 @@ static void netvsc_channel_cb(void *context) /* ASSERT(device); */ packet = kzalloc(NETVSC_PACKET_SIZE * ...
268eff909afaca93188d2d14554cbf824f6a0e41
Analyze and fix the following issue in the Linux kernel code: Staging: hv: fix sysfs symlink on hv block device
Problem Details: The block device does not create the proper symlink in sysfs because we forgot to set up the gendisk structure properly. This patch fixes the issue. Signed-off-by: K. Y. Srinivasan <ksrinivasan@novell.com> Cc: Hank Janssen <hjanssen@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: stable...
```diff diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c index b3d05fcfe6d2..4fb809485d9e 100644 --- a/drivers/staging/hv/blkvsc_drv.c +++ b/drivers/staging/hv/blkvsc_drv.c @@ -368,6 +368,7 @@ static int blkvsc_probe(struct device *device) blkdev->gd->first_minor = 0; blkdev->gd->fops...
7d81c3b9e2e5057c52256e154205143ad4e6e919
Analyze and fix the following issue in the Linux kernel code: xen: fix non-ANSI function warning in irq.c
Problem Details: Fix sparse warning for non-ANSI function declaration: arch/x86/xen/irq.c:129:30: warning: non-ANSI function declaration of function 'xen_init_irq_ops' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <k...
```diff diff --git a/arch/x86/xen/irq.c b/arch/x86/xen/irq.c index 9d30105a0c4a..6a6fe8939645 100644 --- a/arch/x86/xen/irq.c +++ b/arch/x86/xen/irq.c @@ -126,7 +126,7 @@ static const struct pv_irq_ops xen_irq_ops __initdata = { #endif }; -void __init xen_init_irq_ops() +void __init xen_init_irq_ops(void) { pv_i...
2f1e3176723d74ea2dd975e5be0ef6bb4fed2e2e
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_conntrack: fix linker error with NF_CONNTRACK_TIMESTAMP=n
Problem Details: net/built-in.o: In function `nf_conntrack_init_net': net/netfilter/nf_conntrack_core.c:1521: undefined reference to `nf_conntrack_tstamp_init' net/netfilter/nf_conntrack_core.c:1531: undefined reference to `nf_conntrack_tstamp_fini' Add dummy inline functions for the =n case to fix this. Reported-b...
```diff diff --git a/include/net/netfilter/nf_conntrack_timestamp.h b/include/net/netfilter/nf_conntrack_timestamp.h index f17dcb664e29..fc9c82b1f06b 100644 --- a/include/net/netfilter/nf_conntrack_timestamp.h +++ b/include/net/netfilter/nf_conntrack_timestamp.h @@ -47,7 +47,19 @@ static inline void nf_ct_set_tstamp(st...
c7dca47bd6fbb7c215cb1ce6bc40398b4b017752
Analyze and fix the following issue in the Linux kernel code: drm/i915/ringbuffer: Fix use of stale HEAD position whilst polling for space
Problem Details: During suspend, Linus found that his machine would hang for 3 seconds, and identified that intel_ring_buffer_wait() was the culprit: "Because from looking at the code, I get the notion that "intel_read_status_page()" may not be exact. But what happens if that inexact value matches our cached ring->act...
```diff diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 51fbc5e33c55..6218fa97aa1e 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -34,6 +34,14 @@ #include "i915_trace.h" #include "intel_drv.h" +static inline ...
fec2be706dfb1f2f70ffd04319841ec0dfc546b2
Analyze and fix the following issue in the Linux kernel code: Staging: remove unintended Module.symvers file
Problem Details: commit a82ad05ecd9dbd909509a332d3aa5f4ac439a054 (staging: vme: tsi148: fix warning in free_irq) accidentally added a Module.symvers file to the git tree. This patch removes it, sorry about that. Reported-by: Toralf Förster <toralf.foerster@gmx.de> Cc: Emilio G. Cota <cota@braap.org> Signed-off-by: Gr...
```diff diff --git a/drivers/staging/vme/bridges/Module.symvers b/drivers/staging/vme/bridges/Module.symvers deleted file mode 100644 index e69de29bb2d1..000000000000 ```
bc9b3f5c9f3702e71066a4de0afe509a201d98b4
Analyze and fix the following issue in the Linux kernel code: serial: sh-sci: Fix up break timer scheduling race.
Problem Details: The break flag timer is presently added through add_timer() via the interrupt and error paths, where it is possible to send multiple breaks in rapid succession and trigger the timer pending BUG_ON(). This moves over to a mod_timer() instead. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
```diff diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 83bf1b8d7744..999fe5f5d938 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -554,8 +554,7 @@ static void sci_receive_chars(struct uart_port *port) */ static inline void sci_schedule_break_timer(struct sci_port *port) {...
ba12b130a65840005770135a69199cb9adaf8c8f
Analyze and fix the following issue in the Linux kernel code: netfilter: xtables: remove duplicate member
Problem Details: Accidentally missed removing the old out-of-union "inverse" member, which caused the struct size to change which then gives size mismatch warnings when using an old iptables. It is interesting to see that gcc did not warn about this before. (Filed http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47376 ) S...
```diff diff --git a/include/linux/netfilter/xt_connlimit.h b/include/linux/netfilter/xt_connlimit.h index 8884efc605c7..ab1d3b57fff7 100644 --- a/include/linux/netfilter/xt_connlimit.h +++ b/include/linux/netfilter/xt_connlimit.h @@ -18,7 +18,7 @@ struct xt_connlimit_info { }; #endif }; - unsigned int limit, inv...
71fc5099ed50d3699ba003042a721a0bf105369d
Analyze and fix the following issue in the Linux kernel code: ARM: mach-shmobile: sh73a0 CPGA fix for PLL CFG bit
Problem Details: PLL1 and PLL2 in the sh73a0 CPGA has a CFG bit that must be taken into account to correctly calculate the frequency. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
```diff diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c index 08fb878ef063..bcaf58a9c153 100644 --- a/arch/arm/mach-shmobile/clock-sh73a0.c +++ b/arch/arm/mach-shmobile/clock-sh73a0.c @@ -118,8 +118,16 @@ static unsigned long pll_recalc(struct clk *clk) { unsigned long mult...
d2ebd4798744c401faf3fdc6493383912ccd0b80
Analyze and fix the following issue in the Linux kernel code: ALSA: hda - Fix EAPD to low on CZC P10T tablet computer with ALC662
Problem Details: Signed-off-by: Anisse Astier <anisse@astier.eu> 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 5ea60c6d24aa..be4df4c6fd56 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -19460,6 +19460,7 @@ enum { ALC662_FIXUP_ASPIRE, ALC662_FIXUP_IDEAPAD, ALC272_FIXUP_MARIO, + ALC662_FIXUP_CZC_P10T, ...
c0c06bd244179f754d68684fd87674585a153e40
Analyze and fix the following issue in the Linux kernel code: drm/i915/ringbuffer: Kill an annoyingly frequent debug message
Problem Details: This is better handled through the tracepoints and just clutters the debug logs. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
```diff diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 03e337072517..94640e0e4edf 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -606,7 +606,6 @@ ring_add_request(struct intel_ring_buffer *ring, intel_ring_emi...
e8616b6ced6137085e6657cc63bc2fe3900b8616
Analyze and fix the following issue in the Linux kernel code: drm/i915: Initialise ring vfuncs for old DRI paths
Problem Details: We weren't setting up the vfunc table when initialising the old DRI ringbuffer, leading to such OOPSes as: BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<(null)>] (null) PGD 10c441067 PUD 1185e5067 PMD 0 Oops: 0010 [#1] PREEMPT SMP last sysfs file: /sys/class/dmi/id/chassis_asse...
```diff diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 844f3c972b04..665898124200 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -152,7 +152,7 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) { drm_i915_private...
2b8216e6354e7666a2718d4b891c8e8d7fcded27
Analyze and fix the following issue in the Linux kernel code: LGUEST_GUEST: fix unmet direct dependencies (VIRTUALIZATION && VIRTIO)
Problem Details: Honor the kconfig menu hierarchy to remove kconfig dependency warnings: VIRTIO and VIRTIO_RING are subordinate to VIRTUALIZATION. warning: (LGUEST_GUEST) selects VIRTIO which has unmet direct dependencies (VIRTUALIZATION) warning: (LGUEST_GUEST && VIRTIO_PCI && VIRTIO_BALLOON) selects VIRTIO_RING whic...
```diff diff --git a/arch/x86/lguest/Kconfig b/arch/x86/lguest/Kconfig index 38718041efc3..6e121a2a49e1 100644 --- a/arch/x86/lguest/Kconfig +++ b/arch/x86/lguest/Kconfig @@ -2,6 +2,7 @@ config LGUEST_GUEST bool "Lguest guest support" select PARAVIRT depends on X86_32 + select VIRTUALIZATION select VIRTIO sel...
ced05dd741779986861fe7369fe002f542d6fa34
Analyze and fix the following issue in the Linux kernel code: lguest: compile fixes
Problem Details: arch/x86/lguest/boot.c: In function ‘lguest_init_IRQ’: arch/x86/lguest/boot.c:824: error: macro "__this_cpu_write" requires 2 arguments, but only 1 given arch/x86/lguest/boot.c:824: error: ‘__this_cpu_write’ undeclared (first use in this function) arch/x86/lguest/boot.c:824: error: (Each undeclared ide...
```diff diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index 2902ee234614..eba687f0cc0c 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -824,7 +824,7 @@ static void __init lguest_init_IRQ(void) for (i = FIRST_EXTERNAL_VECTOR; i < NR_VECTORS; i++) { /* Some systems map "vectors" ...
5230ff0cccb0611830bb02b097535868df02752a
Analyze and fix the following issue in the Linux kernel code: lguest: example launcher to use guard pages, drop PROT_EXEC, fix limit logic
Problem Details: PROT_EXEC seems to be completely unnecessary (as the lguest binary never executes there), and will allow it to work with SELinux (and more importantly, PaX :-) as they can/do forbid writable and executable mappings. Also, map PROT_NONE guard pages at start and end of guest memory for extra paranoia. ...
```diff diff --git a/Documentation/lguest/lguest.c b/Documentation/lguest/lguest.c index f64b85bcd6d4..d9da7e148538 100644 --- a/Documentation/lguest/lguest.c +++ b/Documentation/lguest/lguest.c @@ -301,20 +301,27 @@ static void *map_zeroed_pages(unsigned int num) /* * We use a private mapping (ie. if we write t...
fd82be6c0a359fc706a805a49b1f167af21e63ea
Analyze and fix the following issue in the Linux kernel code: HID: roccat: Fix an error message when reading more data from bin attributes
Problem Details: Using cat or something to read from binary attributes would try to do an additional read with offset equal to filesize. This resulted in an invalid attribute error. This is fixed by giving the right answer instead of EINVAL. Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net> Signed-off-by:...
```diff diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c index 591a97cf6b65..65d7cde4c5d1 100644 --- a/drivers/hid/hid-roccat-koneplus.c +++ b/drivers/hid/hid-roccat-koneplus.c @@ -258,6 +258,9 @@ static ssize_t koneplus_sysfs_read(struct file *fp, struct kobject *kobj, struct usb_de...
35a78fa48678926464138aab3a4dede4503befb5
Analyze and fix the following issue in the Linux kernel code: OMAP3: Devkit8000: Fix tps65930 pullup/pulldown configuration
Problem Details: gpio7 on the tps65930 is used as an output on the devkit8000 and gpio1 is not connected. Remove gpio7 and change gpio1 to pulldown Signed-off-by: Daniel Morsing <daniel.morsing@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
```diff diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c index 00bb1fc5e017..e906e05bb41b 100644 --- a/arch/arm/mach-omap2/board-devkit8000.c +++ b/arch/arm/mach-omap2/board-devkit8000.c @@ -275,8 +275,7 @@ static struct twl4030_gpio_platform_data devkit8000_gpio_data = { ....
d402786ea4f8433774a812d6b8635e737425cddd
Analyze and fix the following issue in the Linux kernel code: net: fix can_checksum_protocol() arguments swap
Problem Details: commit 0363466866d901fbc (net offloading: Convert checksums to use centrally computed features.) mistakenly swapped can_checksum_protocol() arguments. This broke IPv6 on bnx2 for instance, on NIC without TCPv6 checksum offloads. Reported-by: Hans de Bruin <jmdebruin@xmsnet.nl> Signed-off-by: Eric Dum...
```diff diff --git a/net/core/dev.c b/net/core/dev.c index 4c58d11d3b68..8393ec408cd4 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2001,7 +2001,7 @@ static bool can_checksum_protocol(unsigned long features, __be16 protocol) static int harmonize_features(struct sk_buff *skb, __be16 protocol, int features) { ...
2216b436ed8788f1a6d51b136ed1421956aa18e0
Analyze and fix the following issue in the Linux kernel code: arm: omap3: cm-t3517: minor comment fix
Problem Details: offsets in the comment were wrong - fix this. Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> Signed-off-by: Tony Lindgren <tony@atomide.com>
```diff diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c index 1706df0c51d2..8f9a64d650ee 100644 --- a/arch/arm/mach-omap2/board-cm-t3517.c +++ b/arch/arm/mach-omap2/board-cm-t3517.c @@ -225,12 +225,12 @@ static struct mtd_partition cm_t3517_nand_partitions[] = { }, { .nam...
fec5568cbcf3b5d701d2adf9a22f0110bcc6eb33
Analyze and fix the following issue in the Linux kernel code: arm: omap3: cm-t3517: rtc fix
Problem Details: Fix rtc gpios and mux Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> Signed-off-by: Tony Lindgren <tony@atomide.com>
```diff diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c index 5b0c77732dfc..1706df0c51d2 100644 --- a/arch/arm/mach-omap2/board-cm-t3517.c +++ b/arch/arm/mach-omap2/board-cm-t3517.c @@ -124,8 +124,9 @@ static inline void cm_t3517_init_hecc(void) {} #if defined(CONFIG_RTC_DRV_V3...
0da2a4ac33c291728d8be5bdb865467dcb078d13
Analyze and fix the following issue in the Linux kernel code: NFS: fix handling of malloc failure during nfs_flush_multi()
Problem Details: Cleanup of the allocated list entries should not call put_nfs_open_context() on each entry, as the context will always be NULL, causing an oops. Signed-off-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
```diff diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 10d648ea128b..c8278f4046cb 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -932,7 +932,7 @@ out_bad: while (!list_empty(&list)) { data = list_entry(list.next, struct nfs_write_data, pages); list_del(&data->pages); - nfs_writedata_release(data); + ...
2d0640b47da74cff7c11642c798d40de861ed524
Analyze and fix the following issue in the Linux kernel code: hrtimers: Notify hrtimer users of switches to NOHZ mode
Problem Details: When NOHZ=y and high res timers are disabled (via cmdline or Kconfig) tick_nohz_switch_to_nohz() will notify the user about switching into NOHZ mode. Nothing is printed for the case where HIGH_RES_TIMERS=y. Fix this for the HIGH_RES_TIMERS=y case by duplicating the printk from the low res NOHZ path in ...
```diff diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 3e216e01bbd1..c55ea2433471 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -642,8 +642,7 @@ static void tick_nohz_switch_to_nohz(void) } local_irq_enable(); - printk(KERN_INFO "Switched to NOHz mode on CPU #%d\n...
8c8a9b25b5de3f1eeac721cf34f4379e56d5d694
Analyze and fix the following issue in the Linux kernel code: powerpc, perf: Fix frequency calculation for overflowing counters (FSL version)
Problem Details: When fixing the frequency calculations for perf on powerpc I forgot to fix the FSL version. If we dont set event->hw.last_period the frequency to period calculations in perf go haywire and we continually throttle/unthrottle the PMU. Signed-off-by: Anton Blanchard <anton@samba.org> Acked-by: Benjamin ...
```diff diff --git a/arch/powerpc/kernel/perf_event_fsl_emb.c b/arch/powerpc/kernel/perf_event_fsl_emb.c index 4dcf5f831e9d..b0dc8f7069cd 100644 --- a/arch/powerpc/kernel/perf_event_fsl_emb.c +++ b/arch/powerpc/kernel/perf_event_fsl_emb.c @@ -596,6 +596,7 @@ static void record_and_restart(struct perf_event *event, unsi...
8550d7cb6ed6c89add49c3b6ad4c753ab8a3d7f9
Analyze and fix the following issue in the Linux kernel code: perf: Fix perf_event_init_task()/perf_event_free_task() interaction
Problem Details: perf_event_init_task() should clear child->perf_event_ctxp[] before anything else. Otherwise, if perf_event_init_context(perf_hw_context) fails, perf_event_free_task() can free perf_event_ctxp[perf_sw_context] copied from parent->perf_event_ctxp[] by dup_task_struct(). Also move the initialization of ...
```diff diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 4ec55ef5810c..244ca3acb0ee 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -6446,11 +6446,6 @@ int perf_event_init_context(struct task_struct *child, int ctxn) unsigned long flags; int ret = 0; - child->perf_event_ctxp[ctxn] = NULL...
dbe08d82ce3967ccdf459f7951d02589cf967300
Analyze and fix the following issue in the Linux kernel code: perf: Fix find_get_context() vs perf_event_exit_task() race
Problem Details: find_get_context() must not install the new perf_event_context if the task has already passed perf_event_exit_task(). If nothing else, this means the memory leak. Initially ctx->refcount == 2, it is supposed that perf_event_exit_task_context() should participate and do the necessary put_ctx(). find_l...
```diff diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 84522c796987..4ec55ef5810c 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -2201,13 +2201,6 @@ find_lively_task_by_vpid(pid_t vpid) if (!task) return ERR_PTR(-ESRCH); - /* - * Can't attach events to a dying task. - */ - err = -E...
4912cf04b202a9d0bdc4082ecb9247943584450d
Analyze and fix the following issue in the Linux kernel code: omap1: Fix sched_clock implementation when both MPU timer and 32K timer are used
Problem Details: Earlier patches select HAVE_SCHED_CLOCK for omaps. To have working sched_clock also for MPU timer, we need to implement it in a way where the right one gets selected during the runtime. Signed-off-by: Tony Lindgren <tony@atomide.com>
```diff diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c index b03f34d55d88..f83fc335c613 100644 --- a/arch/arm/mach-omap1/time.c +++ b/arch/arm/mach-omap1/time.c @@ -219,6 +219,24 @@ static struct clocksource clocksource_mpu = { static DEFINE_CLOCK_DATA(cd); +static inline unsigned long long n...