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>
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index d35f260..1342f23 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1632,6 +1632,7 @@
data.period = event->hw.last_period;
data.addr = 0;
+ data.raw = NULL;
regs.ip = 0;
/*
@@ -1749,6 +1750,7 @@
u64 val;
data.addr = 0;
+ data.raw = NULL;
cpuc = &__get_cpu_var(cpu_hw_events);
@@ -1794,6 +1796,7 @@
u64 ack, status;
data.addr = 0;
+ data.raw = NULL;
cpuc = &__get_cpu_var(cpu_hw_events);
@@ -1857,6 +1860,7 @@
u64 val;
data.addr = 0;
+ data.raw = NULL;
cpuc = &__get_cpu_var(cpu_hw_events);
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 3a5d6c4..d891ec4 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -4300,6 +4300,7 @@
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))