From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757246Ab3DYKCm (ORCPT ); Thu, 25 Apr 2013 06:02:42 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:42212 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756140Ab3DYKCk (ORCPT ); Thu, 25 Apr 2013 06:02:40 -0400 Message-ID: <5178FF2D.2000203@huawei.com> Date: Thu, 25 Apr 2013 18:02:21 +0800 From: Zhao Hongjiang User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130328 Thunderbird/17.0.5 MIME-Version: 1.0 To: CC: , , , Subject: [PATCH] aio: dprintks in aio_read_evt were referencing aio_ring after kunmap_atomic Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.135.72.200] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Zhao Hongjiang Cc: stable@vger.kernel.org --- linux-next use pr_debug instead of dprintk, and fix the issue. --- fs/aio.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/fs/aio.c b/fs/aio.c index 3f941f2..1dc8786 100644 --- a/fs/aio.c +++ b/fs/aio.c @@ -1029,9 +1029,9 @@ static int aio_read_evt(struct kioctx *ioctx, struct io_event *ent) spin_unlock(&info->ring_lock); out: - kunmap_atomic(ring); dprintk("leaving aio_read_evt: %d h%lu t%lu\n", ret, (unsigned long)ring->head, (unsigned long)ring->tail); + kunmap_atomic(ring); return ret; } -- 1.7.1