diff options
| author |   Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2009-12-10 14:00:51 +0800 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2009-12-10 07:11:05 +0100 |
| commit | 21140f4d3387aa2213f1deea0128df1dbf924379 (patch) | |
| tree | 16a5920041cc8f263e5680c88d68969a2147f8e3 /kernel | |
| parent | perf sched: Fix for getting task's execution time (diff) | |
| download | linux-dev-21140f4d3387aa2213f1deea0128df1dbf924379.tar.xz linux-dev-21140f4d3387aa2213f1deea0128df1dbf924379.zip | |
perf_event: Fix perf_swevent_hrtimer() variable initialization
fix:
[<c0477471>] ? printk+0x1d/0x24
[<c01c98f9>] ? perf_prepare_sample+0x269/0x280
[<c0149231>] warn_slowpath_common+0x71/0xd0
[<c01c98f9>] ? perf_prepare_sample+0x269/0x280
[<c01492aa>] warn_slowpath_null+0x1a/0x20
[<c01c98f9>] perf_prepare_sample+0x269/0x280
[<c016e9f3>] ? cpu_clock+0x53/0x90
[<c01cc368>] __perf_event_overflow+0x2a8/0x300
[<c01ccc3b>] perf_event_overflow+0x1b/0x30
[<c01ccccf>] perf_swevent_hrtimer+0x7f/0x120
This is because 'data.raw' variable not initialize.
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <4B208E93.1010801@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/perf_event.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 94e1b28333ae..3a5d6c4786bb 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -4010,6 +4010,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer) event->pmu->read(event); data.addr = 0; + data.raw = NULL; data.period = event->hw.last_period; regs = get_irq_regs(); /* |