Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759936AbZLJEQT (ORCPT ); Wed, 9 Dec 2009 23:16:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759916AbZLJEQQ (ORCPT ); Wed, 9 Dec 2009 23:16:16 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:52450 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1759915AbZLJEQQ (ORCPT ); Wed, 9 Dec 2009 23:16:16 -0500 Message-ID: <4B2075B0.10805@cn.fujitsu.com> Date: Thu, 10 Dec 2009 12:14:40 +0800 From: Xiao Guangrong User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 To: Ingo Molnar CC: Frederic Weisbecker , Peter Zijlstra , Paul Mackerras , LKML Subject: [PATCH] perf_event: fix perf_swevent_hrtimer() 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 Content-Length: 1343 Lines: 40 fix: [] ? printk+0x1d/0x24 [] ? perf_prepare_sample+0x269/0x280 [] warn_slowpath_common+0x71/0xd0 [] ? perf_prepare_sample+0x269/0x280 [] warn_slowpath_null+0x1a/0x20 [] perf_prepare_sample+0x269/0x280 [] ? cpu_clock+0x53/0x90 [] __perf_event_overflow+0x2a8/0x300 [] perf_event_overflow+0x1b/0x30 [] perf_swevent_hrtimer+0x7f/0x120 This is because 'data' variable not initialize. Signed-off-by: Xiao Guangrong --- kernel/perf_event.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 0bd0f67..41c2dde 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -4009,7 +4009,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer) event = container_of(hrtimer, struct perf_event, hw.hrtimer); event->pmu->read(event); - data.addr = 0; + memset(&data, 0, sizeof(data)); data.period = event->hw.last_period; regs = get_irq_regs(); /* -- 1.6.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/