[PATCH] TRACING: Fix a copmile warning

From: stufever
Date: Mon Jul 18 2011 - 05:36:05 EST


From: Wang Shaoyan <wangshaoyan.pt@xxxxxxx>

It's harmless but annyoing.
kernel/trace/trace_printk.c: In function â??module_trace_bprintk_format_notifyâ??:
kernel/trace/trace_printk.c:52: warning: â??fmtâ?? may be used uninitialized in this function

Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Wang Shaoyan <wangshaoyan.pt@xxxxxxxxxx>

---
kernel/trace/trace_printk.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/trace/trace_printk.c b/kernel/trace/trace_printk.c
index 1f06468..1a5fff8 100644
--- a/kernel/trace/trace_printk.c
+++ b/kernel/trace/trace_printk.c
@@ -49,7 +49,7 @@ static
void hold_module_trace_bprintk_format(const char **start, const char **end)
{
const char **iter;
- char *fmt;
+ char *fmt = NULL;

mutex_lock(&btrace_mutex);
for (iter = start; iter < end; iter++) {
--
1.7.4.1

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