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perf_event: Fix variable initialization in other codepaths

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Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <4B20BAA6.7010609@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Xiao Guangrong 2009-12-10 17:08:54 +08:00 committed by Ingo Molnar
parent 7931241694
commit 5e855db5d8
2 changed files with 5 additions and 0 deletions
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4
arch/x86/kernel/cpu/perf_event.c
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@ -1632,6 +1632,7 @@ static void intel_pmu_drain_bts_buffer(struct cpu_hw_events *cpuc)
data.period = event->hw.last_period;
data.addr = 0;
data.raw = NULL;
regs.ip = 0;
/*
@ -1749,6 +1750,7 @@ static int p6_pmu_handle_irq(struct pt_regs *regs)
u64 val;
data.addr = 0;
data.raw = NULL;
cpuc = &__get_cpu_var(cpu_hw_events);
@ -1794,6 +1796,7 @@ static int intel_pmu_handle_irq(struct pt_regs *regs)
u64 ack, status;
data.addr = 0;
data.raw = NULL;
cpuc = &__get_cpu_var(cpu_hw_events);
@ -1857,6 +1860,7 @@ static int amd_pmu_handle_irq(struct pt_regs *regs)
u64 val;
data.addr = 0;
data.raw = NULL;
cpuc = &__get_cpu_var(cpu_hw_events);

1
kernel/perf_event.c
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@ -4300,6 +4300,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
struct perf_sample_data sample;
struct pt_regs *regs = data;
sample.raw = NULL;
sample.addr = bp->attr.bp_addr;
if (!perf_exclude_event(bp, regs))