From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751677Ab3DHEHP (ORCPT ); Mon, 8 Apr 2013 00:07:15 -0400 Received: from intranet.asianux.com ([58.214.24.6]:50654 "EHLO intranet.asianux.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751355Ab3DHEHO (ORCPT ); Mon, 8 Apr 2013 00:07:14 -0400 X-Spam-Score: -100.7 Message-ID: <51624254.30301@asianux.com> Date: Mon, 08 Apr 2013 12:06:44 +0800 From: Chen Gang User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 MIME-Version: 1.0 To: rostedt@goodmis.org, Frederic Weisbecker , "mingo@redhat.com" , "linux-kernel@vger.kernel.org" Subject: [PATCH] kernel: trace: strncpy, using strlcpy instead of strncpy Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org for NUL terminated string, need always set '\0' at the end. Signed-off-by: Chen Gang --- kernel/trace/trace.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 829b2be..07860b9 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -125,7 +125,7 @@ static bool allocate_snapshot; static int __init set_cmdline_ftrace(char *str) { - strncpy(bootup_tracer_buf, str, MAX_TRACER_SIZE); + strlcpy(bootup_tracer_buf, str, MAX_TRACER_SIZE); default_bootup_tracer = bootup_tracer_buf; /* We are using ftrace early, expand it */ ring_buffer_expanded = true; @@ -164,7 +164,7 @@ static char *trace_boot_options __initdata; static int __init set_trace_boot_options(char *str) { - strncpy(trace_boot_options_buf, str, MAX_TRACER_SIZE); + strlcpy(trace_boot_options_buf, str, MAX_TRACER_SIZE); trace_boot_options = trace_boot_options_buf; return 0; } -- 1.7.7.6