linux-kernel - [PATCH] kernel: trace: ftrace: strncpy, using strlcpy instead of strncpy

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Date:	Mon, 08 Apr 2013 12:12:39 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	rostedt@...dmis.org, Frederic Weisbecker <fweisbec@...il.com>,
	"mingo@...hat.com" <mingo@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] kernel: trace: ftrace: strncpy, using strlcpy instead of
 strncpy


  for NUL terminated string, need always set '\0' at the end.

Signed-off-by: Chen Gang <gang.chen@...anux.com>
---
 kernel/trace/ftrace.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index dfd33f0..fa984b7 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -3492,14 +3492,14 @@ static char ftrace_filter_buf[FTRACE_FILTER_SIZE] __initdata;
 
 static int __init set_ftrace_notrace(char *str)
 {
-	strncpy(ftrace_notrace_buf, str, FTRACE_FILTER_SIZE);
+	strlcpy(ftrace_notrace_buf, str, FTRACE_FILTER_SIZE);
 	return 1;
 }
 __setup("ftrace_notrace=", set_ftrace_notrace);
 
 static int __init set_ftrace_filter(char *str)
 {
-	strncpy(ftrace_filter_buf, str, FTRACE_FILTER_SIZE);
+	strlcpy(ftrace_filter_buf, str, FTRACE_FILTER_SIZE);
 	return 1;
 }
 __setup("ftrace_filter=", set_ftrace_filter);
-- 
1.7.7.6
--
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