From patchwork Thu Jun 11 12:23:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bernard Zhao X-Patchwork-Id: 11602725 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D9B80618 for ; Sat, 13 Jun 2020 10:17:18 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BDCFF20739 for ; Sat, 13 Jun 2020 10:17:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BDCFF20739 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=vivo.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8BE226E3C7; Sat, 13 Jun 2020 10:16:48 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from m17617.mail.qiye.163.com (m17617.mail.qiye.163.com [59.111.176.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id 453866E14C for ; Thu, 11 Jun 2020 12:23:24 +0000 (UTC) Received: from njvxl5505.vivo.xyz (unknown [157.0.31.125]) by m17617.mail.qiye.163.com (Hmail) with ESMTPA id 1C94826190E; Thu, 11 Jun 2020 20:23:20 +0800 (CST) From: Bernard Zhao To: Marek Vasut , Stefan Agner , David Airlie , Daniel Vetter , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/mxsfb: miss err handle in probe Date: Thu, 11 Jun 2020 20:23:11 +0800 Message-Id: <20200611122311.20847-1-bernard@vivo.com> X-Mailer: git-send-email 2.17.1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgYFAkeWUFZS1VLWVdZKFlBSE83V1ktWUFJV1kPCR oVCBIfWUFZTx8ZQkwZHklPGE4ZVkpOQkpDTENJS0tISElVEwETFhoSFyQUDg9ZV1kWGg8SFR0UWU FZT0tIVUpKS0hKTFVKS0tZBg++ X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6MCI6Hio*GjgzIxQqLEwcMFZN AjUKFCpVSlVKTkJKQ0xDSUtLTE5MVTMWGhIXVRkeCRUaCR87DRINFFUYFBZFWVdZEgtZQVlKTkxV S1VISlVKSU5ZV1kIAVlBSUlLQjcG X-HM-Tid: 0a72a355abf49375kuws1c94826190e X-Mailman-Approved-At: Sat, 13 Jun 2020 10:16:46 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: opensource.kernel@vivo.com, Bernard Zhao MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" There are three err return values in drm_fbdev_generic_setup. In mxsfb_probe we called this function, but didn`t handle the return value, this change is to add err handle, maybe make code a bit more readable. Signed-off-by: Bernard Zhao --- drivers/gpu/drm/mxsfb/mxsfb_drv.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c index 497cf443a9af..a45f3b85f725 100644 --- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c +++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c @@ -415,7 +415,9 @@ static int mxsfb_probe(struct platform_device *pdev) if (ret) goto err_unload; - drm_fbdev_generic_setup(drm, 32); + ret = drm_fbdev_generic_setup(drm, 32); + if (ret) + goto err_unload; return 0;