linux-kernel - [tip:perf/core] tracing/filter: Add missing initialization

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Date:	Tue, 21 Aug 2012 08:17:07 -0700
From:	tip-bot for Jiri Olsa <jolsa@...hat.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	rostedt@...dmis.org, tglx@...utronix.de, jolsa@...hat.com
Subject: [tip:perf/core] tracing/filter: Add missing initialization

Commit-ID:  92d8d4a8b0f4c6eba70f6e62b48e38bd005a56e6
Gitweb:     http://git.kernel.org/tip/92d8d4a8b0f4c6eba70f6e62b48e38bd005a56e6
Author:     Jiri Olsa <jolsa@...hat.com>
AuthorDate: Tue, 19 Jun 2012 17:47:52 +0200
Committer:  Steven Rostedt <rostedt@...dmis.org>
CommitDate: Tue, 7 Aug 2012 09:42:47 -0400

tracing/filter: Add missing initialization

Add missing initialization for ret variable. Its initialization
is based on the re_cnt variable, which is being set deep down
in the ftrace_function_filter_re function.

I'm not sure compilers would be smart enough to see this in near
future, so killing the warning this way.

Link: http://lkml.kernel.org/r/1340120894-9465-2-git-send-email-jolsa@redhat.com

Signed-off-by: Jiri Olsa <jolsa@...hat.com>
Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
---
 kernel/trace/trace_events_filter.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 431dba8..c154797 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -2002,7 +2002,7 @@ static int ftrace_function_set_regexp(struct ftrace_ops *ops, int filter,
 static int __ftrace_function_set_filter(int filter, char *buf, int len,
 					struct function_filter_data *data)
 {
-	int i, re_cnt, ret;
+	int i, re_cnt, ret = -EINVAL;
 	int *reset;
 	char **re;
 
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