From patchwork Thu Jul 7 07:50:05 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Beulich X-Patchwork-Id: 9218015 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 514CD607D9 for ; Thu, 7 Jul 2016 07:52:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 46E5D2878A for ; Thu, 7 Jul 2016 07:52:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3AF672878C; Thu, 7 Jul 2016 07:52:15 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C4A532878A for ; Thu, 7 Jul 2016 07:52:14 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bL44X-0000Uj-0m; Thu, 07 Jul 2016 07:50:09 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bL44W-0000Ub-4B for xen-devel@lists.xenproject.org; Thu, 07 Jul 2016 07:50:08 +0000 Received: from [193.109.254.147] by server-5.bemta-14.messagelabs.com id C9/02-08132-FA90E775; Thu, 07 Jul 2016 07:50:07 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprJIsWRWlGSWpSXmKPExsXS6fjDS3cdZ12 4wa1llhbft0xmcmD0OPzhCksAYxRrZl5SfkUCa8auBzeZCh6wVcw59Y25gfEhaxcjB4eQQJ7E ghVJXYycHLwCdhKzG5eygNgSAoYS++avYgOxWQRUJb4s6mYEsdkE1CXanm1nBbFFBIwlHv9vY +9i5OJgFljIKNFzfQ1YkbBAhETr5InsIPN5BQQl/u4QBgkzC2hJPPx1iwXC1pZYtvA1M0gJs4 C0xPJ/HBMYeWYhNMxC0jALScMshIYFjCyrGDWKU4vKUot0jQz0kooy0zNKchMzc3QNDU30clO LixPTU3MSk4r1kvNzNzECg6megYFxB2PnZb9DjJIcTEqivHvu1oYL8SXlp1RmJBZnxBeV5qQW H2KU4eBQkuBdx1EXLiRYlJqeWpGWmQMMa5i0BAePkghvMkiat7ggMbc4Mx0idYpRl2PBj9trm YRY8vLzUqXEeZtAigRAijJK8+BGwGLsEqOslDAvIwMDgxBPQWpRbmYJqvwrRnEORiVh3nSQKT yZeSVwm14BHcEEdMRPl2qQI0oSEVJSDYwRS3pP6HhIHiot7GTN7jPXlcx47dzNuvvQdJmP8/9 eqpKe6rfis+rP2MTD84/L8iTps11nXbHum60c7+LbErwnTym+/sUXF2Gbd0/KTuvzJu+t9gLT cn/XnRe0lnkY1MGr+Uw8e861bounLyUnWK1se/vXxlnw1YZDN11uCXjkzLm+8+mqgxuUWIozE g21mIuKEwH7Z6sdrAIAAA== X-Env-Sender: JBeulich@suse.com X-Msg-Ref: server-8.tower-27.messagelabs.com!1467877805!41953262!1 X-Originating-IP: [137.65.248.74] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 8.46; banners=-,-,- X-VirusChecked: Checked Received: (qmail 39744 invoked from network); 7 Jul 2016 07:50:06 -0000 Received: from prv-mh.provo.novell.com (HELO prv-mh.provo.novell.com) (137.65.248.74) by server-8.tower-27.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 7 Jul 2016 07:50:06 -0000 Received: from INET-PRV-MTA by prv-mh.provo.novell.com with Novell_GroupWise; Thu, 07 Jul 2016 01:50:04 -0600 Message-Id: <577E25CD02000078000FBE73@prv-mh.provo.novell.com> X-Mailer: Novell GroupWise Internet Agent 14.2.0 Date: Thu, 07 Jul 2016 01:50:05 -0600 From: "Jan Beulich" To: , Mime-Version: 1.0 Content-Disposition: inline Cc: Juergen Gross , xen-devel@lists.xenproject.org, boris.ostrovsky@oracle.com, david.vrabel@citrix.com, linux-kernel@vger.kernel.org Subject: [Xen-devel] [PATCH] xen-fbfront: prefer xenbus_write() over xenbus_printf() where possible X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP ... as being the simpler variant. Signed-off-by: Jan Beulich --- drivers/video/fbdev/xen-fbfront.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- 4.7-rc6-prefer-xenbus_write.orig/drivers/video/fbdev/xen-fbfront.c +++ 4.7-rc6-prefer-xenbus_write/drivers/video/fbdev/xen-fbfront.c @@ -593,11 +593,11 @@ static int xenfb_connect_backend(struct evtchn); if (ret) goto error_xenbus; - ret = xenbus_printf(xbt, dev->nodename, "protocol", "%s", - XEN_IO_PROTO_ABI_NATIVE); + ret = xenbus_write(xbt, dev->nodename, "protocol", + XEN_IO_PROTO_ABI_NATIVE); if (ret) goto error_xenbus; - ret = xenbus_printf(xbt, dev->nodename, "feature-update", "1"); + ret = xenbus_write(xbt, dev->nodename, "feature-update", "1"); if (ret) goto error_xenbus; ret = xenbus_transaction_end(xbt, 0);