perf_event: Fix variable initialization in other codepaths
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>
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@ -1632,6 +1632,7 @@ static void intel_pmu_drain_bts_buffer(struct cpu_hw_events *cpuc)
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data.period = event->hw.last_period;
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data.addr = 0;
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data.raw = NULL;
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regs.ip = 0;
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/*
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@ -1749,6 +1750,7 @@ static int p6_pmu_handle_irq(struct pt_regs *regs)
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u64 val;
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data.addr = 0;
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data.raw = NULL;
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cpuc = &__get_cpu_var(cpu_hw_events);
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@ -1794,6 +1796,7 @@ static int intel_pmu_handle_irq(struct pt_regs *regs)
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u64 ack, status;
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data.addr = 0;
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data.raw = NULL;
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cpuc = &__get_cpu_var(cpu_hw_events);
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@ -1857,6 +1860,7 @@ static int amd_pmu_handle_irq(struct pt_regs *regs)
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u64 val;
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data.addr = 0;
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data.raw = NULL;
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cpuc = &__get_cpu_var(cpu_hw_events);
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@ -4300,6 +4300,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
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struct perf_sample_data sample;
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struct pt_regs *regs = data;
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sample.raw = NULL;
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sample.addr = bp->attr.bp_addr;
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if (!perf_exclude_event(bp, regs))
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