From patchwork Sun Sep 14 16:40:15 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabian Frederick X-Patchwork-Id: 4901861 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 1F6F8BEEA5 for ; Sun, 14 Sep 2014 17:11:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 46F3020220 for ; Sun, 14 Sep 2014 17:11:55 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 7B92F201FB for ; Sun, 14 Sep 2014 17:11:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A9D556E29A; Sun, 14 Sep 2014 10:11:53 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mailrelay002.isp.belgacom.be (mailrelay002.isp.belgacom.be [195.238.6.175]) by gabe.freedesktop.org (Postfix) with ESMTP id 6C5906E174 for ; Sun, 14 Sep 2014 09:41:26 -0700 (PDT) X-Belgacom-Dynamic: yes X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AiIOANrEFVRbsGnM/2dsb2JhbABggw2zSAEBAQEBAQUBbwGdfAGBBBd4hAQBBScvIxBROR4ZiEIBqQ2PAxiFfIhtZAcWhDUFnQiMMIkPghuBRTsvgQaBRAEBAQ Received: from 204.105-176-91.adsl-dyn.isp.belgacom.be (HELO localhost.localdomain) ([91.176.105.204]) by relay.skynet.be with ESMTP; 14 Sep 2014 18:40:57 +0200 From: Fabian Frederick To: linux-kernel@vger.kernel.org Subject: [PATCH 2/9 linux-next] drm/mgag200: use container_of to resolve mga_fbdev from drm_fb_helper Date: Sun, 14 Sep 2014 18:40:15 +0200 Message-Id: <1410712823-29137-3-git-send-email-fabf@skynet.be> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1410712823-29137-1-git-send-email-fabf@skynet.be> References: <1410712823-29137-1-git-send-email-fabf@skynet.be> X-Mailman-Approved-At: Sun, 14 Sep 2014 10:11:43 -0700 Cc: Fabian Frederick , dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.8 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Use container_of instead of casting first structure member. Signed-off-by: Fabian Frederick --- Compiled but untested. drivers/gpu/drm/mgag200/mgag200_fb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c index 5451dc5..4415af3 100644 --- a/drivers/gpu/drm/mgag200/mgag200_fb.c +++ b/drivers/gpu/drm/mgag200/mgag200_fb.c @@ -158,7 +158,8 @@ static int mgag200fb_create_object(struct mga_fbdev *afbdev, static int mgag200fb_create(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes) { - struct mga_fbdev *mfbdev = (struct mga_fbdev *)helper; + struct mga_fbdev *mfbdev = + container_of(helper, struct mga_fbdev, helper); struct drm_device *dev = mfbdev->helper.dev; struct drm_mode_fb_cmd2 mode_cmd; struct mga_device *mdev = dev->dev_private;