From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: [PATCH] Fix blkback/blktap sysfs read bug. Date: Wed, 20 Jan 2010 20:25:26 +0000 Message-ID: References: <20100120114518.GA10851@joejin-pc.cn.oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20100120114518.GA10851@joejin-pc.cn.oracle.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Joe Jin , Jan Beulich Cc: "xen-devel@lists.xensource.com" , "deepak.patel@oracle.com" , "greg.marsden@oracle.com" List-Id: xen-devel@lists.xenproject.org On 20/01/2010 11:45, "Joe Jin" wrote: >> Why? You're inside the locked region, so either 'be' is NULL, or both >> 'be' and 'be->blkif' are non-NULL. >> > > Sorry for misunstdrstood, your are right, attach new patch. I'm waiting for final resubmission with changeset comment and sign-off, and for it to collect an ack from Jan, by the way. -- Keir