id
stringlengths
40
40
instruction
stringlengths
68
308
input
stringlengths
17
33.4k
output
stringlengths
100
30k
699c019385fcb13498a5a3a8bd368f04f1d4a223
Analyze and fix the following issue in the Linux kernel code: tg3: Fix 57765 EEE support
Problem Details: EEE support in the 57765 internal phy will not enable after a phy reset unless it sees that EEE is supported in the MAC. This patch moves the code that programs the CPMU EEE registers to a place before the phy reset. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@...
```diff diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 1e7a135de7b3..e4efb5203e22 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -7809,6 +7809,22 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) tg3_abort_hw(tp, 1); + /* Enable MAC control...
183f732c3f3f307d5673e17b69de6894e1dd2918
Analyze and fix the following issue in the Linux kernel code: Bluetooth: Fix initial RFCOMM DLC security level
Problem Details: Due to commit 63ce0900 connections initiated through TTYs created with "rfcomm bind ..." would have security level BT_SECURITY_SDP instead of BT_SECURITY_LOW. This would cause instant connection failure between any two SSP capable devices due to the L2CAP connect request to RFCOMM being sent before aut...
```diff diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c index fa642aa652bd..432a9a633e8d 100644 --- a/net/bluetooth/rfcomm/core.c +++ b/net/bluetooth/rfcomm/core.c @@ -311,6 +311,7 @@ static void rfcomm_dlc_clear_state(struct rfcomm_dlc *d) d->state = BT_OPEN; d->flags = 0; d->msc...
1cd275f609ba46c8cae3ee77e499c54a0d13a983
Analyze and fix the following issue in the Linux kernel code: ceph: fix ioctl magic
Problem Details: The ioctl magic was inadvertently changed in 571dba52. Signed-off-by: Sage Weil <sage@newdream.net>
```diff diff --git a/fs/ceph/ioctl.h b/fs/ceph/ioctl.h index a6ce54e94eb5..52e8fd74d450 100644 --- a/fs/ceph/ioctl.h +++ b/fs/ceph/ioctl.h @@ -4,7 +4,7 @@ #include <linux/ioctl.h> #include <linux/types.h> -#define CEPH_IOCTL_MAGIC 0x98 +#define CEPH_IOCTL_MAGIC 0x97 /* just use u64 to align sanely on all archs *...
46bcf14f44d8f31ecfdc8b6708ec15a3b33316d9
Analyze and fix the following issue in the Linux kernel code: filter: fix sk_filter rcu handling
Problem Details: Pavel Emelyanov tried to fix a race between sk_filter_(de|at)tach and sk_clone() in commit 47e958eac280c263397 Problem is we can have several clones sharing a common sk_filter, and these clones might want to sk_filter_attach() their own filters at the same time, and can overwrite old_filter->rcu, corr...
```diff diff --git a/include/net/sock.h b/include/net/sock.h index a6338d039857..659d968d95c5 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1155,6 +1155,8 @@ extern void sk_common_release(struct sock *sk); /* Initialise core socket variables */ extern void sock_init_data(struct socket *sock, struct soc...
18483b81ee7e70ee68d4b18be618be5cfcc0b290
Analyze and fix the following issue in the Linux kernel code: perf record: Fix eternal wait for stillborn child
Problem Details: When execvp fails to find the specified command on the path we won't get SIGCHLD, so send a SIGUSR1 and exit right away. Current situation would require a SIGINT performed by the user and would produce meaningless summary. Now: [acme@emilia linux]$ ./foo -bash: ./foo: No such file or directory [acme...
```diff diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index e2c2de201eec..564491fa18b2 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -197,7 +197,7 @@ static void sig_atexit(void) if (child_pid > 0) kill(child_pid, SIGTERM); - if (signr == -1) + if (signr =...
6274de4984a630b45c6934b3ee62e5692c745328
Analyze and fix the following issue in the Linux kernel code: kprobes: Support delayed unoptimizing
Problem Details: Unoptimization occurs when a probe is unregistered or disabled, and is heavy because it recovers instructions by using stop_machine(). This patch delays unoptimization operations and unoptimize several probes at once by using text_poke_smp_batch(). This can avoid unexpected system slowdown coming from ...
```diff diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c index 1cbd54c0df99..da51dc8e77cb 100644 --- a/arch/x86/kernel/kprobes.c +++ b/arch/x86/kernel/kprobes.c @@ -1184,6 +1184,10 @@ static void __kprobes optimized_callback(struct optimized_kprobe *op, { struct kprobe_ctlblk *kcb = get_kprobe_ctlb...
d0359c6fac18588da04fbefdad096453442653ee
Analyze and fix the following issue in the Linux kernel code: sound: Fixed line limit issue in sound/ac97_bus.c
Problem Details: This is a patch to the sound/ac97_bus.c file that fixes up a 80 character line limit issue found by the checkpatch.pl tool. Signed-off-by: Jeffrin Jose <ahiliation@yahoo.co.in> Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/ac97_bus.c b/sound/ac97_bus.c index a351dd0a09c7..2b50cbe6aca9 100644 --- a/sound/ac97_bus.c +++ b/sound/ac97_bus.c @@ -19,8 +19,8 @@ /* * Let drivers decide whether they want to support given codec from their - * probe method. Drivers have direct access to the struct snd_ac97 structure...
5ec6960f6f0c7be9cc6e5506fdf0070add3b6e08
Analyze and fix the following issue in the Linux kernel code: ce4100: Add errata fixes for UART on CE4100
Problem Details: This patch enables the UART on the CE4100. The UART has a couple of issues that need to be worked around. First the UART is mostly PC compatible except that it is clocked eight times faster than a standard PC so the default configuration provided in arch/x86/include/asm/serial.h needs to be overridden....
```diff diff --git a/arch/x86/platform/ce4100/ce4100.c b/arch/x86/platform/ce4100/ce4100.c index 0ede12bde456..d2c0d51a7178 100644 --- a/arch/x86/platform/ce4100/ce4100.c +++ b/arch/x86/platform/ce4100/ce4100.c @@ -12,20 +12,110 @@ #include <linux/kernel.h> #include <linux/irq.h> #include <linux/module.h> +#include ...
965bb6beaf70862d3846e330ea7a14996d82c499
Analyze and fix the following issue in the Linux kernel code: perf script: Fix compiler warning in builtin_script.c:is_top_script()
Problem Details: Fix annoying compiler warning in the is_top_script() function. The issue was that a const char * was cast into a char * to call ends_with(). We fix the users of ends_with() instead. Some are passing a char *, but it is okay to cast the return value of ends_with() to char * (because we understand what ...
```diff diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 683a30572cc5..54f1ea808db5 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -387,10 +387,10 @@ out_delete_desc: return NULL; } -static char *ends_with(char *str, const char *suffix) +static const char ...
cbf41645f35224798cb61641766e6a16e141ffe4
Analyze and fix the following issue in the Linux kernel code: perf session: Sort all events if ordered_samples=true
Problem Details: Now that we have timestamps on FORK, EXIT, COMM, MMAP events we can sort everything in time order. This fixes the following observed problem: mmap(file1) -> pagefault() -> munmap(file1) mmap(file2) -> pagefault() -> munmap(file2) Resulted in decoding both pagefaults in file2 because the file1 map was...
```diff diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 5c756609104e..3074d38897e6 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -461,6 +461,11 @@ static void perf_session_free_sample_buffers(struct perf_session *session) } } +static int perf_session_deliver_eve...
1437a30aae865d83c7d96e3401f503a73fffe14d
Analyze and fix the following issue in the Linux kernel code: perf hist: Better displaying of unresolved DSOs and symbols
Problem Details: In the event that a DSO has not been identified, just print out [unknown] instead of the instruction pointer as we previously were doing, which is pretty meaningless for a shared object (at least to the users perspective). The IP we print out is fairly meaningless in general anyway - it's just one (th...
```diff diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index b62a553cc67d..f44fa541d56e 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -170,7 +170,7 @@ static int hist_entry__dso_snprintf(struct hist_entry *self, char *bf, return repsep_snprintf(bf, size, "%-*s", width, dso_name); ...
b0d8bef417eecc28f51f53bbac501c9984b3bcba
Analyze and fix the following issue in the Linux kernel code: ASoC: SAMSUNG: Fix initial return value
Problem Details: This patch fixed intial return value to be a '0' as asuccess on set_audio_clock_heirachy(). This avoids unintended error on initialize. Signed-off-by: Seungwhan Youn <sw.youn@samsung.com> Acked-by: Jassi Brar <jassi.brar@samsung.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Br...
```diff diff --git a/sound/soc/samsung/smdk_spdif.c b/sound/soc/samsung/smdk_spdif.c index ca779ad1613c..56d058d3fa0c 100644 --- a/sound/soc/samsung/smdk_spdif.c +++ b/sound/soc/samsung/smdk_spdif.c @@ -28,7 +28,7 @@ static int set_audio_clock_heirachy(struct platform_device *pdev) { struct clk *fout_epll, *mout_ep...
e96f38f732d24515792296b3738842934c985539
Analyze and fix the following issue in the Linux kernel code: ALSA: virtuoso: fix front panel routing for D1/DX/ST(X)
Problem Details: The "Front Panel" switch on the Xonar D1/DX actually switches only the output direction, so mark it appropriately. The front panel microphone is controlled by the FMIC2MIC bit of the CM9780. It was unconditionally enabled on the D1/DX and never set on the ST(X); add a control for it. Selecting the f...
```diff diff --git a/sound/pci/oxygen/oxygen.h b/sound/pci/oxygen/oxygen.h index 7d5222caa0a9..cf9054ecb97b 100644 --- a/sound/pci/oxygen/oxygen.h +++ b/sound/pci/oxygen/oxygen.h @@ -35,6 +35,7 @@ #define MIDI_OUTPUT 0x0800 #define MIDI_INPUT 0x1000 #define AC97_CD_INPUT 0x2000 +#define AC97_FMIC_SWITCH 0x4000 ...
ed8cc471d75365f8590c76f580def899d58028c0
Analyze and fix the following issue in the Linux kernel code: ASoC: Fix swap of left and right channels for WM8993/4 speaker boost gain
Problem Details: SPKOUTL_BOOST start from third bit, SPKOUTLR_BOOST start from 0 bit. Signed-off-by: Uk Kim <w0806.kim@samsung.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org
```diff diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c index 19ca782ac970..0e24092722c3 100644 --- a/sound/soc/codecs/wm_hubs.c +++ b/sound/soc/codecs/wm_hubs.c @@ -293,7 +293,7 @@ SOC_DOUBLE_R("Speaker Switch", SOC_DOUBLE_R("Speaker ZC Switch", WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_V...
3fcc0afbb9c93f3599ba03273e59915670b6c2c2
Analyze and fix the following issue in the Linux kernel code: ASoC: Fix off by one error in WM8994 EQ register bank size
Problem Details: Signed-off-by: Uk Kim <w0806.kim@samsung.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org
```diff diff --git a/include/linux/mfd/wm8994/pdata.h b/include/linux/mfd/wm8994/pdata.h index 5c51f367c061..add8a1b8bcf0 100644 --- a/include/linux/mfd/wm8994/pdata.h +++ b/include/linux/mfd/wm8994/pdata.h @@ -29,7 +29,7 @@ struct wm8994_ldo_pdata { #define WM8994_CONFIGURE_GPIO 0x8000 #define WM8994_DRC_REGS 5 -#...
4a55c18e2023096c8684fae5fa1cfa96a03172ff
Analyze and fix the following issue in the Linux kernel code: ARM: hw_breakpoint: fix warnings generated by sparse
Problem Details: sparse doesn't like per-cpu accesses such as: static DEFINE_PER_CPU(struct perf_event *, foo[MAXLEN]); struct perf_event **bar = __get_cpu_var(foo); and shouts quite loudly about it: | warning: incorrect type in assignment (different modifiers) | expected struct perf_event **slots | got struct...
```diff diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c index eef1b1e235a7..56ed9a62013b 100644 --- a/arch/arm/kernel/hw_breakpoint.c +++ b/arch/arm/kernel/hw_breakpoint.c @@ -337,7 +337,7 @@ int arch_install_hw_breakpoint(struct perf_event *bp) /* Breakpoint */ ctrl_base = ARM_BASE...
ce9b1b09520789223f72a9fefd5f0e329f8d89d0
Analyze and fix the following issue in the Linux kernel code: ARM: ptrace: fix style issue with hw_breakpoint interface
Problem Details: This patch fixes a trivial style issue in ptrace.c. Signed-off-by: Will Deacon <will.deacon@arm.com>
```diff diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 3e97483abcf0..19c6816db61e 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -1060,8 +1060,8 @@ static int ptrace_sethbpregs(struct task_struct *tsk, long num, goto out; if ((gen_type & implied_type) != gen_typ...
3ce70b2e24cd35cc9f2df8cf5205b8ab4e6178e1
Analyze and fix the following issue in the Linux kernel code: ARM: hw_breakpoint: disallow per-cpu breakpoints without overflow handler
Problem Details: Single-stepping a breakpoint requires us to disable it temporarily so that we don't get stuck in a recursive debug trap. With per-cpu breakpoints this presents a problem where an interrupt can be taken before the single-step has completed and a new task is eventually scheduled. This new task will not h...
```diff diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c index 36cd7680d3d2..eef1b1e235a7 100644 --- a/arch/arm/kernel/hw_breakpoint.c +++ b/arch/arm/kernel/hw_breakpoint.c @@ -622,10 +622,12 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp) * Currently we rely on an overflow ...
7e20269647169e7ea08a62bdc4979a3ba32e615c
Analyze and fix the following issue in the Linux kernel code: ARM: hw_breakpoint: disable preemption during debug exception handling
Problem Details: On ARM, debug exceptions occur in the form of data or prefetch aborts. One difference is that debug exceptions require access to per-cpu banked registers and data structures which are not saved in the low-level exception code. For kernels built with CONFIG_PREEMPT, there is an unlikely scenario that th...
```diff diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index c09e3573c5de..34bbef0d2e7e 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -198,6 +198,7 @@ __dabt_svc: @ @ set desired IRQ state, then call main handler @ + debug_entry r1 msr cpsr_c, r9 mov...
6ee33c2712fcdff2568d9bbadb25c8e5a7c36212
Analyze and fix the following issue in the Linux kernel code: ARM: hw_breakpoint: correct and simplify alignment fixup code
Problem Details: The current hw_breakpoint code tries to fix up the alignment of breakpoints so that we can make use of sparse byte-address-select bits in the control register and give the illusion that we can set breakpoints on unaligned addresses. Although this works on v6 cores, v7 forbids this behaviour, instead r...
```diff diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c index 515a3c44c118..d37ed3501e57 100644 --- a/arch/arm/kernel/hw_breakpoint.c +++ b/arch/arm/kernel/hw_breakpoint.c @@ -537,6 +537,17 @@ static int arch_build_bp_info(struct perf_event *bp) return -EINVAL; } + /* + * Breakpoi...
7d99331e4793b52d488e911876ef11d843c6c8c9
Analyze and fix the following issue in the Linux kernel code: ARM: hw_breakpoint: reset control registers in hotplug path
Problem Details: The ARMv7 debug architecture doesn't make any guarantees about the contents of debug control registers following a debug logic reset. This patch ensures that we reset the control registers when a cpu comes ONLINE (for example, with hotplug) so that when we enable monitor mode while inserting a breakpo...
```diff diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c index 793959ec8982..515a3c44c118 100644 --- a/arch/arm/kernel/hw_breakpoint.c +++ b/arch/arm/kernel/hw_breakpoint.c @@ -764,7 +764,7 @@ out: /* * One-time initialisation. */ -static void __init reset_ctrl_regs(void *unused) +sta...
ac88e07122fc0eb5cbad403be97ef02c317a06b7
Analyze and fix the following issue in the Linux kernel code: ARM: hw_breakpoint: ensure OS lock is clear before writing to debug registers
Problem Details: ARMv7 architects a system for saving and restoring the debug registers across low-power modes. At the heart of this system is a lock register which, when set, forbids writes to the debug registers. While locked, writes to debug registers via the co-processor interface will result in undefined instructi...
```diff diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c index 21e3a4ab3b8c..793959ec8982 100644 --- a/arch/arm/kernel/hw_breakpoint.c +++ b/arch/arm/kernel/hw_breakpoint.c @@ -768,6 +768,23 @@ static void __init reset_ctrl_regs(void *unused) { int i; + /* + * v7 debug contains save ...
87507500b7fc3620e467abb617a3452f0cccc72d
Analyze and fix the following issue in the Linux kernel code: ARM: 6524/1: GIC irq desciptor bug fix
Problem Details: gic_set_cpu will directly use irq_desc[]. If CONFIG_SPARSE_IRQ is enabled, there is no irq_desc[]. So we need use irq_to_desc(irq) to get the descriptor for irq. Signed-off-by: Chao Xie <chao.xie@marvell.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Russell King <rmk+kernel@a...
```diff diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c index fea1bd7249b6..e6388dcd8cfa 100644 --- a/arch/arm/common/gic.c +++ b/arch/arm/common/gic.c @@ -146,9 +146,15 @@ static int gic_set_cpu(unsigned int irq, const struct cpumask *mask_val) unsigned int shift = (irq % 4) * 8; unsigned int cpu = cpum...
dd5a089edfa51a74692604b4b427953d8e16bc35
Analyze and fix the following issue in the Linux kernel code: ALSA: hda: Use position_fix=1 for Acer Aspire 5538 to enable capture on internal mic
Problem Details: BugLink: https://launchpad.net/bugs/685161 The reporter of the bug states that he must use position_fix=1 to enable capture for the internal microphone, so set it for his machine's PCI SSID. Verified using 2.6.35 and the 2010-12-04 alsa-driver build. Reported-and-tested-by: Ralph Wabel <rwabel@gmx.n...
```diff diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 21aa9b0e28f6..b030c8eba21f 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2296,6 +2296,7 @@ static int azx_dev_free(struct snd_device *device) */ static struct snd_pci_quirk position_fix_list[] __devinitdata ...
7b2a69ba7055da9a04eb96aa7b38c8e3280aaaa5
Analyze and fix the following issue in the Linux kernel code: Revert "vfs: show unreachable paths in getcwd and proc"
Problem Details: Because it caused a chroot ttyname regression in 2.6.36. As of 2.6.36 ttyname does not work in a chroot. It has already been reported that screen breaks, and for me this breaks an automated distribution testsuite, that I need to preserve the ability to run the existing binaries on for several more ye...
```diff diff --git a/fs/proc/base.c b/fs/proc/base.c index f3d02ca461ec..182845147fe4 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1574,7 +1574,7 @@ static int do_proc_readlink(struct path *path, char __user *buffer, int buflen) if (!tmp) return -ENOMEM; - pathname = d_path_with_unreachable(path, tmp, PA...
6fd0d56e3bc1abfb237b8824261b613e21e77bc8
Analyze and fix the following issue in the Linux kernel code: drm/i915/ringbuffer: Only print an error on the second attempt to reset head
Problem Details: There's not much we can do here but hope for the best. However the first failure happens quite frequently and if often remedied by the second attempt to reset HEAD. So only print the error if that attempt also fails. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=19802 Reported-by: Thomas Meyer...
```diff diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index b83306f9244b..89a65be8a3f3 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -156,23 +156,25 @@ static int init_ring_common(struct drm_device *dev, /* G45 ...
bbf0c6b3620b3872929ef7d3c392ce436889110f
Analyze and fix the following issue in the Linux kernel code: drm/i915: announce to userspace that the bsd ring is coherent
Problem Details: Otherwise we can't really fix the abi-braindeadness of forcing libva to manually wait for rendering when switching rings. Which in turn makes implementing hw semaphores a pointless exercise (at least for ironlake). [Also added the relaxed fencing param to explain the jump in numbering - relaxed fencin...
```diff diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 7a26f4dd21ae..e6800819bca8 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -767,6 +767,9 @@ static int i915_getparam(struct drm_device *dev, void *data, case I915_PARAM_HAS_BLT: value ...
136711be41ec97f7f1a9c3a5e8535eb7da5fea59
Analyze and fix the following issue in the Linux kernel code: agp/intel: Fix wrong kunmap in i830_cleanup()
Problem Details: Add a missing NULL check and fix the wrong address passed to kunmap() in i830_cleanup(). Cc: stable@kernel.org Signed-off-by: Takashi Iwai <tiwai@suse.de> [danvet: added cc stable] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
```diff diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 9272c38dd3c6..16a2847b7cdb 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -812,8 +812,10 @@ static int intel_fake_agp_fetch_size(void) static void i830_cleanup(void) { - kunmap(intel_private.i8xx_...
614b6780eb0c393d2fb49ff62d61f29b877bd07e
Analyze and fix the following issue in the Linux kernel code: perf events: Fix event inherit fallout of precalculated headers
Problem Details: The precalculated header size is not updated when an event is inherited. That results in bogus sample entries for all child events. Bug introduced in c320c7b. Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ian Munsie <imunsie@au1.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Mike Galbraith <efault@gm...
```diff diff --git a/kernel/perf_event.c b/kernel/perf_event.c index aede71245e9f..7961b27aceea 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -6098,6 +6098,11 @@ inherit_event(struct perf_event *parent_event, child_event->ctx = child_ctx; child_event->overflow_handler = parent_event->overflow_handle...
cf2f9c59807f173b1c6a537fde7c83c8da876e56
Analyze and fix the following issue in the Linux kernel code: intel_mid_dma: fix section mismatch warnings
Problem Details: Rename intel_mid_dma_pci to intel_mid_dma_pci_driver to pick up the applied annotations of that suffix. Reported-by: <major_Lee@wistron.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
```diff diff --git a/drivers/dma/intel_mid_dma.c b/drivers/dma/intel_mid_dma.c index 4c55d451b613..3109bd94bc4f 100644 --- a/drivers/dma/intel_mid_dma.c +++ b/drivers/dma/intel_mid_dma.c @@ -1411,7 +1411,7 @@ static const struct dev_pm_ops intel_mid_dma_pm = { .runtime_idle = dma_runtime_idle, }; -static struct pc...
d2f5c276ea4b7b7e1b953926bac9d0b148fcce4e
Analyze and fix the following issue in the Linux kernel code: dmaengine: imx-sdma: fix bug in buffer descriptor initialization
Problem Details: Currently while submitting scatterlists with more than one SG entry the DMA buffer address from the first SG entry is inserted into all initialized DMA buffer descriptors. This is due to the typo in the for_each_sg() loop where the scatterlist pointer is used for obtaining the DMA buffer address and _n...
```diff diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 0834323a0599..13d6447a35f6 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -951,7 +951,7 @@ static struct dma_async_tx_descriptor *sdma_prep_slave_sg( struct sdma_buffer_descriptor *bd = &sdmac->bd[i]; int param; - b...
7bfbeae9c78fb9404ccbd62a25c82f5860432ac9
Analyze and fix the following issue in the Linux kernel code: parisc: Fix GSC PS/2 driver name for keyboard and mouse
Problem Details: Fix kernel warnings caused by the driver name of GSC PS/2 containing '/'. The following warnings are observed on a K410 system : [ 10.700000] name 'GSC PS/2 keyboard' [ 10.732000] ------------[ cut here ]------------ [ 10.772000] WARNING: at fs/proc/generic.c:323 [ 10.828000] Modules linked i...
```diff diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c index 3c287dd879d3..4225f5d6b15f 100644 --- a/drivers/input/serio/gscps2.c +++ b/drivers/input/serio/gscps2.c @@ -358,7 +358,7 @@ static int __devinit gscps2_probe(struct parisc_device *dev) gscps2_reset(ps2port); ps2port->id = readb(p...
79a04296231171157031d0bd8cd4038317e13cf2
Analyze and fix the following issue in the Linux kernel code: parisc: KittyHawk LCD fix
Problem Details: K class aka KittyHawk don't have LED support on their LCD. Installing HP-UX confirmed this. The current led_wq fills the LCD with black characters each time it runs. The patch prevents the led_wq workqueue and its proc entry to be created for KittyHawk machines. It also increase min_cmd_delay as curr...
```diff diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c index 2350e8a86eef..f2f501e5b6a0 100644 --- a/drivers/parisc/led.c +++ b/drivers/parisc/led.c @@ -64,6 +64,7 @@ static unsigned int led_diskio __read_mostly = 1; static unsigned int led_lanrxtx __read_mostly = 1; static char lcd_text[32] _...
d16cd297d288e48482c3c261db434a2e13bd9f20
Analyze and fix the following issue in the Linux kernel code: parisc: fix dino/gsc interrupts
Problem Details: The essential problem we're currently having is that dino (and gsc) is a cascaded CPU interrupt. Under the old __do_IRQ() handler, our CPU interrupts basically did an ack followed by an end. In the new scheme, we replaced them with level handlers which do a mask, an ack and then an unmask (but no end...
```diff diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 5024f643b3b1..48aa71106db8 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -392,7 +392,7 @@ static void claim_cpu_irqs(void) int i; for (i = CPU_IRQ_BASE; i <= CPU_IRQ_MAX; i++) { set_irq_chip_and_handler(i, &c...
49078f7d108f132582e5af46304c317b55f83948
Analyze and fix the following issue in the Linux kernel code: drm/i915: Factor in pixel-repeat in FDI M/N calculation
Problem Details: Fixes the modesetting on the secondary panel of the Libretto W100 and presumably many more Ironlake laptops with SDVO LVDS displays. Reported-and-tested-by: Matthew Willoughby <mattfredwill@gmail.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org
```diff diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index fac118b2df7d..d9b7092439ef 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3710,6 +3710,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, /* FDI link */ ...
b9f515e3e3861abbaa093359f7c6f31283695228
Analyze and fix the following issue in the Linux kernel code: ARM: 6456/1: Fix for building DEBUG with sa11xx_base.c as a module.
Problem Details: This patch fixes a compilation issue when compiling PCMCIA SA1100 support as a module with PCMCIA_DEBUG enabled. The symbol soc_pcmcia_debug was not beeing exported. ARM: pcmcia: Fix for building DEBUG with sa11xx_base.c as a module. This patch fixes a compilation issue when compiling PCMCIA SA1100 su...
```diff diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c index 3753fd0722e7..2fe8cb8e95cd 100644 --- a/drivers/pcmcia/soc_common.c +++ b/drivers/pcmcia/soc_common.c @@ -70,6 +70,7 @@ void soc_pcmcia_debug(struct soc_pcmcia_socket *skt, const char *func, va_end(args); } } +EXPORT_SYMBOL(soc_p...
4d6b7a779be34e1df296abc1dc555134a8cf34af
Analyze and fix the following issue in the Linux kernel code: ARM: 6512/1: perf: fix warnings generated by sparse
Problem Details: Russell reported a number of warnings coming from sparse when checking the ARM perf_event.c files: | perf_event.c seems to also have problems too: | | CHECK arch/arm/kernel/perf_event.c | arch/arm/kernel/perf_event.c:37:1: warning: symbol 'pmu_lock' was not declared. Should it be static? | arc...
```diff diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index 421a4bb88fed..50c197bfac0f 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -32,7 +32,7 @@ static struct platform_device *pmu_device; * Hardware lock to serialize accesses to PMU registers. Needed for...
55afd264cdd5d5848753e90884ed596e11bce0ff
Analyze and fix the following issue in the Linux kernel code: ARM: 6519/1: kuser: Fix incorrect cmpxchg syscall in kuser helpers
Problem Details: The existing code invokes the syscall with rubbish in r7, due to what looks like an incorrect literal load idiom. Reviewed-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Dave Martin <dave.martin@linaro.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kern...
```diff diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index c09e3573c5de..bb96a7d4bbf5 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -911,7 +911,7 @@ __kuser_cmpxchg: @ 0xffff0fc0 * A special ghost syscall is used for that (see traps.c). */ stmfd s...
cd849ae9cd291117c0f7e0e8d531ab62a906e308
Analyze and fix the following issue in the Linux kernel code: ARM: 6518/1: kexec: Fix crash_setup_regs() for ARMv7 and CONFIG_THUMB2_KERNEL
Problem Details: * Fix kexec build failure with CONFIG_THUMB2_KERNEL. * Avoids deprecated/forbidden sp and pc usage in for ARMv7 onwards, retaining compatibility with older architecture versions. * The pc value saved to newregs is now aligned on a predictable instruction boundary. (stmia { ... pc...
```diff diff --git a/arch/arm/include/asm/kexec.h b/arch/arm/include/asm/kexec.h index b37e02c91693..c0094d8edae4 100644 --- a/arch/arm/include/asm/kexec.h +++ b/arch/arm/include/asm/kexec.h @@ -33,10 +33,20 @@ static inline void crash_setup_regs(struct pt_regs *newregs, if (oldregs) { memcpy(newregs, oldregs, siz...
37d57443d5d810c6ef49e93586b046e7d4774818
Analyze and fix the following issue in the Linux kernel code: slub: Fix a crash during slabinfo -v
Problem Details: Commit f7cb1933621bce66a77f690776a16fe3ebbc4d58 ("SLUB: Pass active and inactive redzone flags instead of boolean to debug functions") missed two instances of check_object(). This caused a lot of warnings during 'slabinfo -v' finally leading to a crash: BUG ext4_xattr: Freepointer corrupt ... BU...
```diff diff --git a/mm/slub.c b/mm/slub.c index 981fb730aa04..bec0e355fbad 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3401,13 +3401,13 @@ static int validate_slab(struct kmem_cache *s, struct page *page, for_each_free_object(p, s, page->freelist) { set_bit(slab_index(p, s, addr), map); - if (!check_object(s, p...
8165984acf825917437debae519209073c32a5a7
Analyze and fix the following issue in the Linux kernel code: slub: Fix a crash during slabinfo -v
Problem Details: Commit f7cb1933621bce66a77f690776a16fe3ebbc4d58 ("SLUB: Pass active and inactive redzone flags instead of boolean to debug functions") missed two instances of check_object(). This caused a lot of warnings during 'slabinfo -v' finally leading to a crash: BUG ext4_xattr: Freepointer corrupt ... BU...
```diff diff --git a/mm/slub.c b/mm/slub.c index 7796a0446b3f..48d82a55f4b6 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3417,13 +3417,13 @@ static int validate_slab(struct kmem_cache *s, struct page *page, for_each_free_object(p, s, page->freelist) { set_bit(slab_index(p, s, addr), map); - if (!check_object(s, p...
3d44661ad1f6336345a9f7765afef6d0aeac543e
Analyze and fix the following issue in the Linux kernel code: staging: brcm80211: added firmware validation
Problem Details: Fix for https://bugzilla.kernel.org/show_bug.cgi?id=21872 New function wl_check_firmwares() checks validity of all firmware images loaded from user space. Signed-off-by: Roland Vossen <rvossen@broadcom.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/brcm80211/sys/wl_mac80211.c b/drivers/staging/brcm80211/sys/wl_mac80211.c index 364b34986621..d41212bca633 100644 --- a/drivers/staging/brcm80211/sys/wl_mac80211.c +++ b/drivers/staging/brcm80211/sys/wl_mac80211.c @@ -1776,8 +1776,7 @@ static int wl_request_fw(struct wl_info *wl, st...
16350a7258a3158807f3fafe33f1bb22b8ddd127
Analyze and fix the following issue in the Linux kernel code: uwb: fix compiler warning on i1480_est_id_table
Problem Details: Annotate i1480_est_id_table as '__used' to fix following warning: CC drivers/uwb/i1480/i1480-est.o drivers/uwb/i1480/i1480-est.c:94: warning: ‘i1480_est_id_table’ defined but not used Signed-off-by: Namhyung Kim <namhyung@gmail.com> Cc: David Vrabel <david.vrabel@csr.com> Signed-off-by: Greg K...
```diff diff --git a/drivers/uwb/i1480/i1480-est.c b/drivers/uwb/i1480/i1480-est.c index f2eb4d8b76c9..d5de5e131d47 100644 --- a/drivers/uwb/i1480/i1480-est.c +++ b/drivers/uwb/i1480/i1480-est.c @@ -91,7 +91,7 @@ MODULE_LICENSE("GPL"); * * [so we are loaded when this kind device is connected] */ -static struct us...
fc33b0eb38ccbd3080a4885e8f742a72a085261d
Analyze and fix the following issue in the Linux kernel code: uwb: fix compiler warning on whcrc_id_table
Problem Details: Annotate whcrc_id_table as '__used' to fix following warning: CC drivers/uwb/whc-rc.o drivers/uwb/whc-rc.c:452: warning: ‘whcrc_id_table’ defined but not used Signed-off-by: Namhyung Kim <namhyung@gmail.com> Cc: David Vrabel <david.vrabel@csr.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse...
```diff diff --git a/drivers/uwb/whc-rc.c b/drivers/uwb/whc-rc.c index 73495583c444..70a004aa19db 100644 --- a/drivers/uwb/whc-rc.c +++ b/drivers/uwb/whc-rc.c @@ -449,7 +449,7 @@ static int whcrc_post_reset(struct umc_dev *umc) } /* PCI device ID's that we handle [so it gets loaded] */ -static struct pci_device_id ...
df4fedeaa623f6af0b72c0089000b5ea5540ed22
Analyze and fix the following issue in the Linux kernel code: usb: g_audio: Fix crash at driver removal
Problem Details: If g_audio fails to open the sound control device, it crashes at removal: Insertion: [ 4143.836536] g_audio gadget: unable to open sound control device file: /dev/snd/controlC0 [ 4143.836543] g_audio gadget: we need at least one control device [ 4143.836551] g_audio gadget: Linux USB Audio Gadget, ver...
```diff diff --git a/drivers/usb/gadget/u_audio.c b/drivers/usb/gadget/u_audio.c index 7a86d2c9109c..59ffe1ecf1c9 100644 --- a/drivers/usb/gadget/u_audio.c +++ b/drivers/usb/gadget/u_audio.c @@ -255,6 +255,7 @@ static int gaudio_open_snd_dev(struct gaudio *card) ERROR(card, "No such PCM capture device: %s\n", fn_cap...
1daa38d379932bde0d2036c2e10ced3e8842b74f
Analyze and fix the following issue in the Linux kernel code: staging/vme_user: fix usage of the slave resources after they've been freed
Problem Details: buf_unalloc() frees the memory buffers allocated with vme_alloc_consistent. The associated VME resource is needed in both vme_alloc_consistent and vme_free_consistent; however the slave VME resources are being freed before the calls to vme_free_consistent are made, which means the buffers are never ret...
```diff diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c index 36381489b797..dc7175bdfcf9 100644 --- a/drivers/staging/vme/devices/vme_user.c +++ b/drivers/staging/vme/devices/vme_user.c @@ -829,8 +829,8 @@ err_master: err_slave: while (i > SLAVE_MINOR) { i--; - vme_sl...
2e18edf75d586d9044c1f1e6b1bc8e7c26c4149f
Analyze and fix the following issue in the Linux kernel code: ARM: mini2440: Fix Kconfig to allow kernel to build
Problem Details: The MACH_MINI2440 entry requires the backlight LED driver, but this subsystem has not been enabled and the select of LEDS_TRIGGER_BACKLIGHT alone is insufficient to enable the necessary bits of the LED driver. Add NEW_LEDS, LEDS_CLASS and LEDS_TRIGGER to the select to allow the kernel to link. This f...
```diff diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig index ff024a6c0f85..adea6b924cf1 100644 --- a/arch/arm/mach-s3c2440/Kconfig +++ b/arch/arm/mach-s3c2440/Kconfig @@ -178,6 +178,9 @@ config MACH_MINI2440 bool "MINI2440 development board" select CPU_S3C2440 select EEPROM_AT24 + sele...
47f1c6c9ffdec0c0e5a2c2709bd63c7380b325c4
Analyze and fix the following issue in the Linux kernel code: drm/i915: Clean conflicting modesetting registers upon init
Problem Details: If we leave the registers in a conflicting state then when we attempt to teardown the active mode, we will not disable the pipes and planes in the correct order -- leaving a plane reading from a disabled pipe and possibly leading to undefined behaviour. Reported-and-tested-by: Andy Whitcroft <apw@cano...
```diff diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 9d3af3cb5a0b..e5badadbdcd2 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5238,6 +5238,55 @@ static const struct drm_crtc_funcs intel_crtc_funcs = { .page_flip = int...
c6ecf39a10ceec3e97096e2a8d3eadcecd593422
Analyze and fix the following issue in the Linux kernel code: ixgbe: fix link behavior for SFP+ when driver is brought down
Problem Details: We have had several requests to have ifconfig down command disable the SFP+ laser and thus make link go down. Likewise on ifconfig up the laser would be enabled and link would come up. This patch enables that behavior. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Tested-by: Stephen Ko <...
```diff diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c index e34643eef162..8fa76785b45c 100644 --- a/drivers/net/ixgbe/ixgbe_82599.c +++ b/drivers/net/ixgbe/ixgbe_82599.c @@ -65,9 +65,9 @@ static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw); static void ixgbe_init_mac_link_ops...
18e3ee2cf96adf072deeb291eed670f2c23bb2fc
Analyze and fix the following issue in the Linux kernel code: sfc: Fix event based MCDI completion and MC REBOOT/CMDDONE ordering issue
Problem Details: The mcfw *never* sends CMDDONE when rebooting. Changing this so that it always sends CMDDONE *before* REBOOT is easy on Siena, but it's not obvious that we could guarantee to be able to implement this on future hardware. Given this, I'm less convinced that the protocol should be changed. To reiterate...
```diff diff --git a/drivers/net/sfc/mcdi.c b/drivers/net/sfc/mcdi.c index e389ac6c214f..b716e827b291 100644 --- a/drivers/net/sfc/mcdi.c +++ b/drivers/net/sfc/mcdi.c @@ -463,6 +463,7 @@ static void efx_mcdi_ev_death(struct efx_nic *efx, int rc) if (mcdi->mode == MCDI_MODE_EVENTS) { mcdi->resprc = rc; mcdi->...
4484cd7dedecf59aee0775c6658f95bdee65f277
Analyze and fix the following issue in the Linux kernel code: sfc: Fix condition for no-op in set_phy_flash_cfg()
Problem Details: Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c index cfc6a5b5a477..cfc29d767588 100644 --- a/drivers/net/sfc/falcon_boards.c +++ b/drivers/net/sfc/falcon_boards.c @@ -325,7 +325,7 @@ static ssize_t set_phy_flash_cfg(struct device *dev, new_mode = old_mode & ~PHY_MODE_SPECIAL; ...
4514e8997fbefd5befd6176ac9785e287b4daed4
Analyze and fix the following issue in the Linux kernel code: ASoC: When disabling WM8994 FLL force a source selection
Problem Details: When we disable the WM8994 FLL code path sharing means that we end up writing out a configuration. Currently this is the currently active input and output frequency (which causes snd_soc_update_bits() to suppress actual writes both immediately and in the common case where we reenable the same configura...
```diff diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index af3a98ae0579..b37e95c4e7c7 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -1677,6 +1677,7 @@ static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src, /* Allow no source specification when stopp...
062869382bb2821bb8482db1e67850dfd11296fb
Analyze and fix the following issue in the Linux kernel code: ASoC: WM8580: Debug interface index
Problem Details: We want the index of DAI's driver here. Signed-off-by: Jassi Brar <jassi.brar@samsung.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
```diff diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c index e2a927684b48..cb7765f7687d 100644 --- a/sound/soc/codecs/wm8580.c +++ b/sound/soc/codecs/wm8580.c @@ -507,13 +507,13 @@ static int wm8580_paif_hw_params(struct snd_pcm_substream *substream, } /* Look up the SYSCLK ratio; accept only ...
4ccb3b4497ce01fab4933704fe21581e30fda1a5
Analyze and fix the following issue in the Linux kernel code: mtd: nand: Fix integer overflow in ONFI detection of chips >= 4GiB
Problem Details: Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
```diff diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 75d199e4f25b..33550c43acc2 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2894,7 +2894,7 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip, mtd->writesize = le32_to_...
01039e4e63a8ea0d66fcfc71d7b99769bbbed9d6
Analyze and fix the following issue in the Linux kernel code: mtd: onenand: bugfix for 2x mode bad block handling
Problem Details: This bug becomes visible in 2x mode when chip->writesize is different from mtd->writesize (= 2 * chip->writesize). At this case the bad block information is read from the first and the third physical pages instead of the first and the second as specification states. Signed-off-by: Roman Tereshonkov <r...
```diff diff --git a/drivers/mtd/onenand/onenand_bbt.c b/drivers/mtd/onenand/onenand_bbt.c index 01ab5b3c453b..905209bf9465 100644 --- a/drivers/mtd/onenand/onenand_bbt.c +++ b/drivers/mtd/onenand/onenand_bbt.c @@ -91,13 +91,15 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr for (j...
8a8f632d8534d0c403831341450bd8db9e842f05
Analyze and fix the following issue in the Linux kernel code: mtd: OneNAND: Fix 4KiB pagesize OOB handling
Problem Details: Original 4KiB pagesize chip (SLC) doesn't support OOB operations at Spec. And it's also same at Flex-OneNAND. Remove the MLC macro if possible and use 4KiB pagesize macro since MLC has 4KiB pagesize. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: David Woodhouse <David.Woodho...
```diff diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 4d6e6c54cc2c..c38bf9c54a11 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -400,8 +400,7 @@ static int onenand_command(struct mtd_info *mtd, int cmd, loff_t addr, size_t le v...
b5602e86432aaf0cc90dd207bf74e3a2bfb5078b
Analyze and fix the following issue in the Linux kernel code: mtd: FSMC NAND fix obvious speling errors
Problem Details: Fix spelling in the interface file. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
```diff diff --git a/include/linux/mtd/fsmc.h b/include/linux/mtd/fsmc.h index 96e8e67a053e..6987995ad3cf 100644 --- a/include/linux/mtd/fsmc.h +++ b/include/linux/mtd/fsmc.h @@ -28,7 +28,7 @@ /* * The placement of the Command Latch Enable (CLE) and - * Address Latch Enable (ALE) is twised around in the + * Addres...
4ad916bca7c372110815e77c2db95fb2eb2f8ab3
Analyze and fix the following issue in the Linux kernel code: mtd: FSMC NAND remove PARTITION macro and fix compile noise
Problem Details: This removes the PARTITION macro that David didn't like and also removes a local variable that was dangling unused in some #ifdefs by being a bit more clever. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
```diff diff --git a/drivers/mtd/nand/fsmc_nand.c b/drivers/mtd/nand/fsmc_nand.c index 02edfba25b0c..5af4b3c122f5 100644 --- a/drivers/mtd/nand/fsmc_nand.c +++ b/drivers/mtd/nand/fsmc_nand.c @@ -119,21 +119,36 @@ static struct fsmc_eccplace fsmc_ecc4_sp_place = { } }; -/* - * Default partition tables to be used if...
6b2995b62eba81df0f7d0b4be5b782be623c13eb
Analyze and fix the following issue in the Linux kernel code: mtd: fix section mismatch on sst25l
Problem Details: Building the kernel with 'make CONFIG_DEBUG_SECTION_MISMATCH=y´ resulted in: WARNING: vmlinux.o(.data+0x15938): Section mismatch in reference from the variable sst25l_driver to the function .init.text:sst25l_probe() The variable sst25l_driver references the function __init sst25l_probe() If the refer...
```diff diff --git a/drivers/mtd/devices/sst25l.c b/drivers/mtd/devices/sst25l.c index 684247a8a5ed..c163e619abc9 100644 --- a/drivers/mtd/devices/sst25l.c +++ b/drivers/mtd/devices/sst25l.c @@ -335,7 +335,7 @@ out: return ret; } -static struct flash_info *__init sst25l_match_device(struct spi_device *spi) +static...
2ebf0622cdc5d2b51f22b68a0983d90df8a976c8
Analyze and fix the following issue in the Linux kernel code: mtd: mxc_nand: Fix warning on nr_parts unused variable
Problem Details: If CONFIG_MTD_PARTITIONS is not selected, then the following warning is generated: CC drivers/mtd/nand/mxc_nand.o drivers/mtd/nand/mxc_nand.c: In function 'mxcnd_probe': drivers/mtd/nand/mxc_nand.c:1014: warning: unused variable 'nr_parts' Fix it by marking nr_parts as __maybe_unused. Signed-...
```diff diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index 214b03afdd48..ef932ba55a0b 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -1009,7 +1009,7 @@ static int __init mxcnd_probe(struct platform_device *pdev) struct mxc_nand_platform_data *pdata = pdev->dev....
eeda667a29698b9a4d16dce8979afc6f512f3c42
Analyze and fix the following issue in the Linux kernel code: mtd: fsl_elbc_nand: fix jffs2 problem after NAND-flash image record in u-boot
Problem Details: This patch should fix the following problem: 1. the jffs2-image update in the u-boot was ok 2. first restart and first mount of the NAND-flash-partition was also ok 3. before the restart of controller there are no any activity on NAND-flash except of the jffs2_gcd_mtdX-process ... 4. BUT after the...
```diff diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c index c141b07b25d1..7a13d42cbabd 100644 --- a/drivers/mtd/nand/fsl_elbc_nand.c +++ b/drivers/mtd/nand/fsl_elbc_nand.c @@ -388,6 +388,8 @@ static void fsl_elbc_cmdfunc(struct mtd_info *mtd, unsigned int command, "page_ad...
a7e93dcd9aacb3ef4acfcc4310577f3ae0741821
Analyze and fix the following issue in the Linux kernel code: mtd: fix master device identification for mtd repartition
Problem Details: Function mtd_has_master renamed as mtd_is_partition to follow the function logic. The patch fixes the problem of checking the right mtd device for partition creation. To delete partition checking is not needed here so as it is done in mtd_del_partition. By master we consider the mtd device which does n...
```diff diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index cad8fcc7b239..16de17b5b829 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -522,10 +522,6 @@ static int mtd_blkpg_ioctl(struct mtd_info *mtd, if (!capable(CAP_SYS_ADMIN)) return -EPERM; - /* Only master mtd device must be ...
e14feafbe0d5c6d64bb6fe4eba928cb57ac9a4c8
Analyze and fix the following issue in the Linux kernel code: mtd: nand: add check for out of page read
Problem Details: When run mtd_oobtest case, there will be one error for step(4), which turned out it need add one check for out of page read in nand_do_read_oob just like mtd_do_write_oob did it already. This commit also fix one typo error for comments in mtd_do_write_oob Signed-off-by: Jason Liu <r64343@freescale.com...
```diff diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 1f75a1b1f7c3..75d199e4f25b 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -1782,6 +1782,13 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from, else len = mtd->oobsize; + /* Do not...
1534b8b09757190ce6e97fa97f9ad77c49082cd8
Analyze and fix the following issue in the Linux kernel code: mtd: fix nand kernel-doc warnings
Problem Details: Warning(include/linux/mtd/nand.h:543): No description found for parameter 'badblockbits' Warning(drivers/mtd/nand/nand_bbt.c:1101): No description found for parameter 'mtd' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: linux-mtd@lists.infradead.org...
```diff diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c index 586b981f0e61..6ebd869993aa 100644 --- a/drivers/mtd/nand/nand_bbt.c +++ b/drivers/mtd/nand/nand_bbt.c @@ -1092,7 +1092,8 @@ static void mark_bbt_region(struct mtd_info *mtd, struct nand_bbt_descr *td) /** * verify_bbt_descr - veri...
f326966b3df47f4fa7e90425f60efdd30c31fe19
Analyze and fix the following issue in the Linux kernel code: jffs2: fix error value sign
Problem Details: do_verify_xattr_datum(), do_load_xattr_datum(), load_xattr_datum() and verify_xattr_ref() should return negative value on error. Sometimes they return EIO that is positive. Change this to -EIO. Signed-off-by: Vasiliy Kulikov <segoon@openwall.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@noki...
```diff diff --git a/fs/jffs2/xattr.c b/fs/jffs2/xattr.c index 9b572ca40a49..4f9cc0482949 100644 --- a/fs/jffs2/xattr.c +++ b/fs/jffs2/xattr.c @@ -151,7 +151,7 @@ static int do_verify_xattr_datum(struct jffs2_sb_info *c, struct jffs2_xattr_dat JFFS2_ERROR("node CRC failed at %#08x, read=%#08x, calc=%#08x\n", ...
a0c5a3944ce121bb2417c771f77b18485cd84e18
Analyze and fix the following issue in the Linux kernel code: mtd: mtdchar: fix information leak to userland
Problem Details: Structure mtd_info_user is copied to userland with padding byted between "type" and "flags" fields uninitialized. It leads to leaking of contents of kernel stack memory. Signed-off-by: Vasiliy Kulikov <segooon@gmail.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: Davi...
```diff diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 4759d827e8c7..cad8fcc7b239 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -601,6 +601,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg) } case MEMGETINFO: + memset(&info, 0, sizeof(info)); info.type =...
d19d7b46d2b4936be14cfeef779ffeb76cf7b757
Analyze and fix the following issue in the Linux kernel code: mtd: onenand: fix omap2 code to handle cache program feature
Problem Details: Some fixes are introduced into omap2 code to handle errors when cache program feature is used. Signed-off-by: Roman Tereshonkov <roman.tereshonkov@nokia.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
```diff diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c index 9f322f1a7f22..da25a90af4a4 100644 --- a/drivers/mtd/onenand/omap2.c +++ b/drivers/mtd/onenand/omap2.c @@ -108,8 +108,9 @@ static void wait_warn(char *msg, int state, unsigned int ctrl, static int omap2_onenand_wait(struct mtd_info *mt...
08b3af3092bb2c284796e4e823c5309c2d0a9bca
Analyze and fix the following issue in the Linux kernel code: mtd: OneNAND: Fix page offset handling at 2KiB pagesize
Problem Details: When use the 2KiB pagesize, it should be set the correct page offset. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
```diff diff --git a/drivers/mtd/onenand/samsung.c b/drivers/mtd/onenand/samsung.c index 0de7a05e6de0..a4c74a9ba430 100644 --- a/drivers/mtd/onenand/samsung.c +++ b/drivers/mtd/onenand/samsung.c @@ -651,7 +651,7 @@ static int s5pc110_read_bufferram(struct mtd_info *mtd, int area, void __iomem *p; void *buf = (void ...
daf05ec00c6e60a2c705820e7f93cbd31c804fe3
Analyze and fix the following issue in the Linux kernel code: mtd: nandsim: spell fixes in comments
Problem Details: Signed-off-by: srimugunthan <srimugunthan.dhandapani@gmail.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
```diff diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index a6a73aab1253..c45e06fba154 100644 --- a/drivers/mtd/nand/nandsim.c +++ b/drivers/mtd/nand/nandsim.c @@ -210,12 +210,12 @@ MODULE_PARM_DESC(bbt, "0 OOB, 1 BBT with marker in OOB, 2 BBT with marker in d #define STATE_CMD_READ0 0x...
b7b6e08f9265db56129931983fc6c06d62c9f4f9
Analyze and fix the following issue in the Linux kernel code: mtd: Fix MTD_OF_PARTS for all arch and minor tidy of MTD_PARTITIONS
Problem Details: MTD_OF_PARTS should be possible on all architectures, not just powerpc and microblaze, and it probably should not be a user selectable option. Neither does it need to be in a separate module. Also, rework MTD Kconfig to group options dependant on MTD_PARTITIONS into a if/endif block. Do the same for...
```diff diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig index 1e2cbf5d9aa1..77414702cb00 100644 --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig @@ -53,9 +53,10 @@ config MTD_PARTITIONS devices. Partitioning on NFTL 'devices' is a different - that's the 'normal' form of partitioning used on a block de...
1db7ccdb2ef4dbd8df0e0f742c9da9b054d899ba
Analyze and fix the following issue in the Linux kernel code: ALSA: hda - Fix beep-tone on IDT 92HD87/88 codecs
Problem Details: It sounds like a non-linear beep tone on my test machines... Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index a1df0facdda4..8e2bb0aad0ae 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -5423,7 +5423,7 @@ static int patch_stac92hd83xxx(struct hda_codec *codec) snd_hda_codec_write_cache(codec, codec->a...
7ac760c2f78ddd8e1bd633767b01becfbbf96720
Analyze and fix the following issue in the Linux kernel code: UBI: fix corrupted PEB detection for NOR flash
Problem Details: My new shiny code for corrupted PEB detection has NOR specific bug. We tread PEB as corrupted and preserve it, if 1. EC header is OK. 2. VID header is corrupted. 3. data area is not "all 0xFFs" In case of NOR we have 'nor_erase_prepare()' quirk, which invalidates the headers before erasing the PEB. A...
```diff diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c index c2960ac9f39c..811775aa8ee8 100644 --- a/drivers/mtd/ubi/io.c +++ b/drivers/mtd/ubi/io.c @@ -482,10 +482,17 @@ static int nor_erase_prepare(struct ubi_device *ubi, int pnum) uint32_t data = 0; struct ubi_vid_hdr vid_hdr; - addr = (loff_t)pnum *...
676ad98a06a629e6273819a54b70f3987044b608
Analyze and fix the following issue in the Linux kernel code: ASoC: Don't oops in soc_probe_aux_dev in case of missing codec
Problem Details: Blind copy of codec finding algorithm from soc_bind_dai_link does not work in soc_probe_aux_dev if matching codec name is not found. In that case the code falls through and tries to start the probing procedure with invalid codec pointer. Fix this and add an error print showing the codec name that cann...
```diff diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 5720dbcefbc4..2b1fcae4131e 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1609,7 +1609,7 @@ static int soc_probe_aux_dev(struct snd_soc_card *card, int num) struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; struct snd_soc_...
4bd3a1f415affa4729856dca7e39c5093a9a954f
Analyze and fix the following issue in the Linux kernel code: ASoC: Fix inconsistent meaning of default case while checking alc5623->id
Problem Details: In alc5623_i2c_probe(), the default case for checking alc5623->id behaves the same as case 0x23. However, In alc5623_probe() the default case for checking alc5623->id becomes to be the same as case 0x21. This makes the meaning of default case inconsistent. Since we have checked codec id in alc5623_i2c...
```diff diff --git a/sound/soc/codecs/alc5623.c b/sound/soc/codecs/alc5623.c index 9783e7e2eb93..4f377c9e868d 100644 --- a/sound/soc/codecs/alc5623.c +++ b/sound/soc/codecs/alc5623.c @@ -925,7 +925,6 @@ static int alc5623_probe(struct snd_soc_codec *codec) } switch (alc5623->id) { - default: case 0x21: snd_s...
3a253445e327d0295bbe51bcbec5f44f86b54a8c
Analyze and fix the following issue in the Linux kernel code: ALSA: hda - Fix ThinkPad T410[s] docking station line-out
Problem Details: On the docking station for the Lenovo T410 and T410s, the line-out doesn't work. The trouble seems to be that it generates a plug event, but then doesn't report that the jack is connected. So automute mutes the jack when you plug something into it. The following patch (next message) fixes it. Sign...
```diff diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 846d1ead47fd..e652b34b1bd9 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -2116,8 +2116,8 @@ static void cxt5066_update_speaker(struct hda_codec *codec) struct conexant_spec *spec = codec->s...
3f336c6fa17c2b3d14b3dd1bd6e64e9cc97b6359
Analyze and fix the following issue in the Linux kernel code: xfs: fact out common grant head/log tail verification code
Problem Details: Factor repeated debug code out of grant head manipulation functions into a separate function. This removes ifdef DEBUG spagetti from the code and makes the code easier to follow. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
```diff diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 1b82735471ab..99c62855432e 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -82,6 +82,7 @@ STATIC void xlog_ungrant_log_space(xlog_t *log, #if defined(DEBUG) STATIC void xlog_verify_dest_ptr(xlog_t *log, char *ptr); STATIC void xlog_verify_grant_...
0ef51953be84cf910cdf5d9a6b8ccb75fd3dd10c
Analyze and fix the following issue in the Linux kernel code: mx5: Fix efikamx build
Problem Details: Commit 124bf94a "ARM: imx: fix name for functions adding sdhci-esdhc-imx devices" changed some devices and Kconfig entry and didn't change every places it should have. It's breaking efikamx build. I've fixed 3ds Kconfig entry as I believe it's broken there too. Signed-off-by: Arnaud Patard <arnaud.pat...
```diff diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig index 88f0c66d13a7..3e48c80342a3 100644 --- a/arch/arm/mach-mx5/Kconfig +++ b/arch/arm/mach-mx5/Kconfig @@ -23,8 +23,8 @@ config MACH_MX51_BABBAGE config MACH_MX51_3DS bool "Support MX51PDK (3DS)" - select IMX_HAVE_PLATFORM_ESDHC select I...
4c6c32b3f856346158161a8c9824b4dd2bff0893
Analyze and fix the following issue in the Linux kernel code: ARM: mx25: fix offset for usb host controller
Problem Details: In commit 2c20b9f (ARM: mx25: dynamically allocate mxc-ehci devices) I changed the offset to the value specified in the reference manual intending to test this change on hardware. This slipped through and now prooved to be wrong. So fix it and add a comment about the documentation being wrong. Repor...
```diff diff --git a/arch/arm/plat-mxc/include/mach/mx25.h b/arch/arm/plat-mxc/include/mach/mx25.h index 024bebe4da11..087cd7ac8d52 100644 --- a/arch/arm/plat-mxc/include/mach/mx25.h +++ b/arch/arm/plat-mxc/include/mach/mx25.h @@ -49,7 +49,12 @@ #define MX25_SDMA_BASE_ADDR 0x53fd4000 #define MX25_USB_BASE_ADDR 0x53...
29bb6afcb077bd153c7738e73840dde808132fb5
Analyze and fix the following issue in the Linux kernel code: plat-mxc/ehci.c: fix compile breakage
Problem Details: commits 2eb42d5c287f5e883a4b3ebe668ba880caa351e5 and 9e1dde33876ba83ad586c336647fff133d0f5472 renamed some defines but didn't fix all the places where these defines are used leading to a compile failure for USB on i.MX31, 35 and 27. Signed-off-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Sascha Ha...
```diff diff --git a/arch/arm/plat-mxc/ehci.c b/arch/arm/plat-mxc/ehci.c index 4bac3d5545d3..b79c8090197c 100644 --- a/arch/arm/plat-mxc/ehci.c +++ b/arch/arm/plat-mxc/ehci.c @@ -115,7 +115,7 @@ int mxc_initialize_usb_hw(int port, unsigned int flags) #endif /* if defined(CONFIG_SOC_IMX25) */ #if defined(CONFIG_ARCH_M...
51a1efe2e84493439db32c07471e835c752a7923
Analyze and fix the following issue in the Linux kernel code: dma: intel_mid_dma: fix double free on mid_setup_dma error path
Problem Details: We should not call kfree(dma) in mid_setup_dma error path because the memory is allocated in intel_mid_dma_probe and will be freed in intel_mid_dma_probe error path if mid_setup_dma return error. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
```diff diff --git a/drivers/dma/intel_mid_dma.c b/drivers/dma/intel_mid_dma.c index 338bc4eed1f3..4c55d451b613 100644 --- a/drivers/dma/intel_mid_dma.c +++ b/drivers/dma/intel_mid_dma.c @@ -1075,7 +1075,6 @@ static int mid_setup_dma(struct pci_dev *pdev) if (NULL == dma->dma_pool) { pr_err("ERR_MDMA:pci_pool_crea...
cbeae41888bddb2d8c23db281de5f38f4be6a9bb
Analyze and fix the following issue in the Linux kernel code: dma: imx-dma: fix imxdma_probe error path
Problem Details: otherwise, i will be -1 inside the latest iteration of the while loop. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
```diff diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c index f629e4961af5..e53d438142bb 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -379,7 +379,7 @@ static int __init imxdma_probe(struct platform_device *pdev) return 0; err_init: - while (i-- >= 0) { + while (--i >= 0) { struct...
9c5f8414efd5eeed9f498d4170337a3eb126341f
Analyze and fix the following issue in the Linux kernel code: xfs: fix EFI transaction cancellation.
Problem Details: XFS_EFI_CANCELED has not been set in the code base since xfs_efi_cancel() was removed back in 2006 by commit 065d312e15902976d256ddaf396a7950ec0350a8 ("[XFS] Remove unused iop_abort log item operation), and even then xfs_efi_cancel() was never called. I haven't tracked it back further than that (beyond...
```diff diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c index a55e687bf562..5997efae05dc 100644 --- a/fs/xfs/xfs_extfree_item.c +++ b/fs/xfs/xfs_extfree_item.c @@ -99,10 +99,11 @@ xfs_efi_item_pin( } /* - * While EFIs cannot really be pinned, the unpin operation is the - * last place at which the...
2cb3d3b6c64d37514fd8865748de66ff35a489af
Analyze and fix the following issue in the Linux kernel code: drm/nv84: fix minor issues in PCRYPT implementation
Problem Details: Fix running of destroy_context() when create_context() has never been called for the channel, and fill in engine's tlb_flush() function pointer. 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 b42e29d1935e..75e70022fbd3 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -437,6 +437,7 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) e...
9fea1bcbff037cb61f71e0d699180030b1f509a5
Analyze and fix the following issue in the Linux kernel code: drm/nv50: fix 0x100c90 init for NVAF
Problem Details: Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
```diff diff --git a/drivers/gpu/drm/nouveau/nv50_fb.c b/drivers/gpu/drm/nouveau/nv50_fb.c index aa6d78366078..50290dea0ac4 100644 --- a/drivers/gpu/drm/nouveau/nv50_fb.c +++ b/drivers/gpu/drm/nouveau/nv50_fb.c @@ -60,15 +60,18 @@ nv50_fb_init(struct drm_device *dev) * on traps. No idea what these values mean exactl...
fce2bad0ee2666d6a10bfeb634b1021469cc3d79
Analyze and fix the following issue in the Linux kernel code: drm/nv50: rework PGPIO IRQ handling and hotplug detection
Problem Details: Allows callers to install their own handlers for when a GPIO line changes state (such as for hotplug detect). This also fixes a bug where we weren't acknowledging the GPIO IRQ until after the bottom half had run, causing a severe IRQ storm in some cases. Reviewed-by: Francisco Jerez <currojerez@riseu...
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 52c356e9a3d1..a21e00076839 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -37,6 +37,8 @@ #include "nouveau_connector.h" #include "nouveau_...
aa2c2e8039e3692065022a7ff885009b2d88818a
Analyze and fix the following issue in the Linux kernel code: drm/nv50: fix compute object class
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 e0f52942b2eb..7a98d41c68a6 100644 --- a/drivers/gpu/drm/nouveau/nv50_graph.c +++ b/drivers/gpu/drm/nouveau/nv50_graph.c @@ -425,8 +425,6 @@ nv50_graph_register(struct drm_device *dev) NVOBJ_CLASS(dev, 0x0030, GR); /...
23c45e8ed203f933753fb66a6290c4ff853eb7bb
Analyze and fix the following issue in the Linux kernel code: drm/nouveau: Fix sleep while atomic in nouveau_bo_fence().
Problem Details: Reported-by: Pekka Paalanen <pq@iki.fi> Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 8d5dd980240d..f4ee43db00aa 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -942,13 +942,17 @@ nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo) void nouve...
1f6d2de2c539df6fe52ad2187191a9dfe10c7233
Analyze and fix the following issue in the Linux kernel code: drm/nv50: Keep track of the head a channel is vsync'ing to.
Problem Details: In a multihead setup vblank interrupts may end up enabled in both heads. In that case we want to ignore the vblank interrupts coming from the wrong CRTC to avoid tearing and unbalanced calls to drm_vblank_get/put (fdo bug 31074). Reported-by: Felix Leimbach <felix.leimbach@gmx.net> Signed-off-by: Fran...
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 2bb1f1572a55..5814db82f778 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -257,6 +257,7 @@ struct nouveau_channel { struct { struct nouveau_gpuobj *vblsem; +...
382d62e524db528cdf53563ad9a018adc170dfde
Analyze and fix the following issue in the Linux kernel code: drm/nouveau: fix annoying nouveau_fence type issue
Problem Details: nouveau_fence_* functions are not type safe, which could lead to bugs. Additionally every use of nouveau_fence_unref had to cast struct nouveau_fence to void **. Fix it by renaming old functions and creating static inline functions with new prototypes. We still need old functions, because we pass funct...
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 8442bfbf5d42..c09928322eb9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -487,7 +487,7 @@ nouveau_bo_move_accel_cleanup(struct nouveau_channel *chan, ret = ttm_bo_...
5f80198e43cf96542923269ccb607052e5f144cc
Analyze and fix the following issue in the Linux kernel code: drm/nv50: regression fix, point NVAA/NVAC at correct PM functions
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 410a79f5e0cd..c5f29f0d18da 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -397,6 +397,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) ca...
35fa2f2ad161024e735fb0cd571cb92e50171afd
Analyze and fix the following issue in the Linux kernel code: drm/nouveau: add support for MSI
Problem Details: Only supported on NV50+ so far, and disabled by default currently. The module parameter "msi=1" will enable it. There's a kernel bug which will cause this to fail if the module (or the NVIDIA binary driver) has ever been loaded before loading nouveau with MSI enabled. As such, this is only safe to e...
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c index 6dbb8818c530..db926ecf5b6f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.c +++ b/drivers/gpu/drm/nouveau/nouveau_drv.c @@ -115,6 +115,10 @@ MODULE_PARM_DESC(perflvl_wr, "Allow perflvl changes (warning: dangerous!...
01d63187d1aad6236dd229d5824c61a60f1ab42c
Analyze and fix the following issue in the Linux kernel code: drm/nv10: fix thinko and let nv17 do 3d again :)
Problem Details: Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
```diff diff --git a/drivers/gpu/drm/nouveau/nv10_graph.c b/drivers/gpu/drm/nouveau/nv10_graph.c index 17c20dbff232..a571bfd4471b 100644 --- a/drivers/gpu/drm/nouveau/nv10_graph.c +++ b/drivers/gpu/drm/nouveau/nv10_graph.c @@ -1102,7 +1102,7 @@ nv10_graph_register(struct drm_device *dev) if (dev_priv->chipset <= 0x10...
8888cb18ffd1f32c51e61ca8d3d179c3c3946d1e
Analyze and fix the following issue in the Linux kernel code: drm/nv50: fix evo instmem alignment
Problem Details: Not an issue right now, we're forced to 64k size/alignment by the BO allocator anyway. This won't be the case soon. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
```diff diff --git a/drivers/gpu/drm/nouveau/nv50_evo.c b/drivers/gpu/drm/nouveau/nv50_evo.c index d270f17a5310..887b2a97e2a2 100644 --- a/drivers/gpu/drm/nouveau/nv50_evo.c +++ b/drivers/gpu/drm/nouveau/nv50_evo.c @@ -234,7 +234,7 @@ nv50_evo_create(struct drm_device *dev) * use this also as there's no per-channel ...
2a6789ae5e8a6b25a0835834655205166a757a81
Analyze and fix the following issue in the Linux kernel code: drm/nouveau: Make fences take a weak channel reference.
Problem Details: Fences didn't increment the channel reference count, and the fenced channel could go away at any time. Fixes a potential race in nouveau_fence_update(). Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c index 0a22955998e8..e1ae9bab6e41 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.c +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c @@ -64,6 +64,7 @@ nouveau_fence_del(struct kref *ref) struct nouveau_fence *fence =...
36c952e8b3bad911ef13111058f0a5c4b361027e
Analyze and fix the following issue in the Linux kernel code: drm/nouveau: Fix lock unbalance on card take down.
Problem Details: Signed-off-by: Francisco Jerez <currojerez@riseup.net> 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 1a4ba6ccafb1..af203cc5d7ad 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -714,7 +714,7 @@ static void nouveau_card_takedown(struct drm_device *dev) if ...
f175b745b50c5c5356e8b3b409b7f38aa44de6bb
Analyze and fix the following issue in the Linux kernel code: drm/nouveau: Fix race condition in channel refcount handling.
Problem Details: nouveau_channel_put() can be executed after the 'refcount == 0' check in nouveau_channel_get() and before the channel reference count is incremented. In that case CPU0 will take the context down while CPU1 thinks it owns the channel and 'refcount == 1'. Signed-off-by: Francisco Jerez <currojerez@riseu...
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c index 9a051fafa7c3..c46a6f641964 100644 --- a/drivers/gpu/drm/nouveau/nouveau_channel.c +++ b/drivers/gpu/drm/nouveau/nouveau_channel.c @@ -247,17 +247,16 @@ nouveau_channel_get(struct drm_device *dev, struct drm_...
08cd3d4311fb9c5038bc6fb0c83c250cfb218da2
Analyze and fix the following issue in the Linux kernel code: drm/nouveau: fix thinko in channel locking in semaphore path
Problem Details: Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c index 42694b122eef..5f9f66f35067 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.c +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c @@ -393,23 +393,23 @@ nouveau_fence_sync(struct nouveau_fence *fence, return nouve...
6a6b73f254123851f7f73ab5e57344a569d6a0ab
Analyze and fix the following issue in the Linux kernel code: drm/nouveau: add per-channel mutex, use to lock access to drm's channel
Problem Details: This fixes a race condition between fbcon acceleration and TTM buffer moves. To reproduce: - start X - switch to vt and "while (true); do dmesg; done" - switch to another vt and "sleep 2 && cat /path/to/debugfs/dri/0/evict_vram" - switch back to vt running dmesg We don't make use of this on any othe...
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index c41e1c200ef5..d8817b4bb189 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -683,17 +683,24 @@ nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, bool intr, ...
9f5ead76d402f591ab810e71eae59ec28bf39eb9
Analyze and fix the following issue in the Linux kernel code: omap: PM debug: fix wake-on-timer debugfs dependency
Problem Details: Wakeup-on-timer code does not have/need debugfs dependency. Move the function out of debugfs ifdef. Fixes compile error when CONFIG_DEBUG_FS is disabled but PM debug is enabled. Reported-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Ton...
```diff diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index 5e81517a7af2..a8afb610c7d8 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -161,6 +161,23 @@ void omap2_pm_dump(int mode, int resume, unsigned int us) printk(KERN_INFO "%-20s: 0x%08x\n", reg...
33dd94ae1ccbfb7bf0fb6c692bc3d1c4269e6177
Analyze and fix the following issue in the Linux kernel code: do_exit(): make sure that we run with get_fs() == USER_DS
Problem Details: If a user manages to trigger an oops with fs set to KERNEL_DS, fs is not otherwise reset before do_exit(). do_exit may later (via mm_release in fork.c) do a put_user to a user-controlled address, potentially allowing a user to leverage an oops into a controlled write into kernel memory. This is only ...
```diff diff --git a/kernel/exit.c b/kernel/exit.c index 21aa7b3001fb..676149a4ac5f 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -914,6 +914,15 @@ NORET_TYPE void do_exit(long code) if (unlikely(!tsk->pid)) panic("Attempted to kill the idle task!"); + /* + * If do_exit is called because this processes oops...