linux-kernel - [PATCH v2 2/8] kernel/trace/trace_events

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Message-Id: <1433806017-10823-3-git-send-email-linux@rasmusvillemoes.dk>
Date:	Tue,  9 Jun 2015 01:26:50 +0200
From:	Rasmus Villemoes <linux@...musvillemoes.dk>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...hat.com>
Cc:	Joe Perches <joe@...ches.com>, Al Viro <viro@...IV.linux.org.uk>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/8] kernel/trace/trace_events_filter.c: Use strreplace

There's no point in starting over every time we see a ','...

Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
Acked-by: Steven Rostedt <rostedt@...dmis.org>
---
v2: same patch, added Ack.

 kernel/trace/trace_events_filter.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index ced69da0ff55..a987601d7b43 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -2075,7 +2075,7 @@ struct function_filter_data {
 static char **
 ftrace_function_filter_re(char *buf, int len, int *count)
 {
-	char *str, *sep, **re;
+	char *str, **re;
 
 	str = kstrndup(buf, len, GFP_KERNEL);
 	if (!str)
@@ -2085,8 +2085,7 @@ ftrace_function_filter_re(char *buf, int len, int *count)
 	 * The argv_split function takes white space
 	 * as a separator, so convert ',' into spaces.
 	 */
-	while ((sep = strchr(str, ',')))
-		*sep = ' ';
+	strreplace(str, ',', ' ');
 
 	re = argv_split(GFP_KERNEL, str, count);
 	kfree(str);
-- 
2.1.3

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