[tip:perf/urgent] ftrace: Fix possible undefined return code

[tip-bot for GuoWen Li]

Commit-ID:  0aff1c0cef13b34c17e81a502336fad738151c37
Gitweb:     http://git.kernel.org/tip/0aff1c0cef13b34c17e81a502336fad738151c37
Author:     GuoWen Li <guowen.li.linux@xxxxxxxxx>
AuthorDate: Wed, 1 Jun 2011 19:18:47 +0800
Committer:  Steven Rostedt <rostedt@xxxxxxxxxxx>
CommitDate: Mon, 6 Jun 2011 22:34:25 -0400

ftrace: Fix possible undefined return code

kernel/trace/ftrace.c: In function 'ftrace_regex_write.clone.15':
kernel/trace/ftrace.c:2743:6: warning: 'ret' may be used uninitialized in this
function

Signed-off-by: GuoWen Li <guowen.li.linux@xxxxxxxxx>
Link: http://lkml.kernel.org/r/201106011918.47939.guowen.li.linux@xxxxxxxxx
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
 kernel/trace/ftrace.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 1ee417f..204b3eb 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -2740,7 +2740,7 @@ static int ftrace_process_regex(struct ftrace_hash *hash,
 {
 	char *func, *command, *next = buff;
 	struct ftrace_func_command *p;
-	int ret;
+	int ret = -EINVAL;
 
 	func = strsep(&next, ":");
 
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