From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752693AbaINKt3 (ORCPT ); Sun, 14 Sep 2014 06:49:29 -0400 Received: from mail-pa0-f44.google.com ([209.85.220.44]:38074 "EHLO mail-pa0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752426AbaINKt2 (ORCPT ); Sun, 14 Sep 2014 06:49:28 -0400 Message-ID: <541572BD.3040101@gmail.com> Date: Sun, 14 Sep 2014 18:49:33 +0800 From: Chen Gang User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7 MIME-Version: 1.0 To: konrad.wilk@oracle.com, boris.ostrovsky@oracle.com, David Vrabel , stefano.stabellini@eu.citrix.com, mukesh.rathor@oracle.com CC: xen-devel@lists.xenproject.org, "linux-kernel@vger.kernel.org" Subject: [PATCH 1/4] drivers/xen/xenbus/xenbus_client.c: Remove redundancy asignment to 'addr' References: <54157282.40402@gmail.com> In-Reply-To: <54157282.40402@gmail.com> 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 When failure occurs, 'node' is already set to NULL, and it is enough for next checking (which will return in time), so need not set 'addr'. Signed-off-by: Chen Gang --- drivers/xen/xenbus/xenbus_client.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c index 439c9dc..277e74d 100644 --- a/drivers/xen/xenbus/xenbus_client.c +++ b/drivers/xen/xenbus/xenbus_client.c @@ -636,7 +636,7 @@ static int xenbus_unmap_ring_vfree_hvm(struct xenbus_device *dev, void *vaddr) goto found; } } - node = addr = NULL; + node = NULL; found: spin_unlock(&xenbus_valloc_lock); -- 1.9.3