From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756581AbZLND6O (ORCPT ); Sun, 13 Dec 2009 22:58:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756576AbZLND6J (ORCPT ); Sun, 13 Dec 2009 22:58:09 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:64061 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1756608AbZLND6F (ORCPT ); Sun, 13 Dec 2009 22:58:05 -0500 Message-ID: <4B25B7B7.9010008@cn.fujitsu.com> Date: Mon, 14 Dec 2009 11:57:43 +0800 From: Li Zefan User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1b3pre) Gecko/20090513 Fedora/3.0-2.3.beta2.fc11 Thunderbird/3.0b2 MIME-Version: 1.0 To: Steven Rostedt , Ingo Molnar CC: Frederic Weisbecker , Wenji Huang , LKML Subject: [PATCH 2/7] tracing/filters: Fix MATCH_FRONT_ONLY filter matching References: <4B25B797.1040201@cn.fujitsu.com> In-Reply-To: <4B25B797.1040201@cn.fujitsu.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org MATCH_FRONT_ONLY actually is a full matching. We should pass the length of the pattern string to strncmp(). Signed-off-by: Li Zefan --- 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 50504cb..11c3973 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -261,7 +261,7 @@ static int regex_match_full(char *str, struct regex *r, int len) static int regex_match_front(char *str, struct regex *r, int len) { - if (strncmp(str, r->pattern, len) == 0) + if (strncmp(str, r->pattern, r->len) == 0) return 1; return 0; } -- 1.6.3