From patchwork Mon Mar 12 20:15:08 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 10277337 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 4B6B9603B5 for ; Mon, 12 Mar 2018 20:16:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3C27228BCC for ; Mon, 12 Mar 2018 20:16:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3029C28C2C; Mon, 12 Mar 2018 20:16:26 +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=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FROM autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B984D28BCC for ; Mon, 12 Mar 2018 20:16:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=9nrX+1COHlUt9z4rYXE7Kxcy8fM+Z+QIlygLh4HjQHM=; b=sWXo5kYSqI/AYX /sZs5lEEzWQOulMvUD98He3nNEa7KckmUIjKbhjxCNNrjiBVFHrJvtWUkUftd5pgqGJSwJiRlIJWt CFzFcJwbhb2MeWQWzCOYLRLT+3r+HZExfkBBNHsQsX3k0/aD+Fumfp3akxBiWDBhGSO+pD0/zIoCH VgI9o1zAVWLI4PvSRuGJQOXdkbX4CDeK/y+8c88Fexht20cCcvuMm6w8kKagl3JGh6FEfb8tEEMVf JSVluw7BjSUcbZ0Jg1NlV+IfIrvC+gkc7RMAuFQ42ETEH8JGW0a7yLYMIhw7WrMxWR4QxhhKowHO2 ZrZSxRGcW6nZr/BSTIGw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1evTrm-0005ns-Qv; Mon, 12 Mar 2018 20:16:18 +0000 Received: from smtp07.smtpout.orange.fr ([80.12.242.129] helo=smtp.smtpout.orange.fr) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1evTrF-0005LB-OX for linux-arm-kernel@lists.infradead.org; Mon, 12 Mar 2018 20:15:52 +0000 Received: from linux.numericable.fr ([77.198.79.136]) by mwinf5d42 with ME id M8FD1x0072wTeBR038FZeY; Mon, 12 Mar 2018 21:15:34 +0100 X-ME-Helo: linux.numericable.fr X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Mon, 12 Mar 2018 21:15:34 +0100 X-ME-IP: 77.198.79.136 From: Christophe JAILLET To: narmstrong@baylibre.com, airlied@linux.ie, carlo@caione.org, khilman@baylibre.com Subject: [PATCH 1/3] drm/meson: Fix an un-handled error path in 'meson_drv_bind_master()' Date: Mon, 12 Mar 2018 21:15:08 +0100 Message-Id: <6cbf3d70ac3904489c7194c895225c4103aebb96.1520885192.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.14.1 In-Reply-To: References: In-Reply-To: References: MIME-Version: 1.0 X-Antivirus: Avast (VPS 180312-2, 12/03/2018), Outbound message X-Antivirus-Status: Clean X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180312_131547_194012_51F55E18 X-CRM114-Status: UNSURE ( 2.79 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Christophe JAILLET , linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 'drm_vblank_init()' can fail. So handle this (unlikely) error. Fixes: bbbe775ec5b5 ("drm: Add support for Amlogic Meson Graphic Controller") Signed-off-by: Christophe JAILLET Acked-by: Neil Armstrong --- drivers/gpu/drm/meson/meson_drv.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index f9ad0e960263..02b0886debc0 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -222,7 +222,10 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) priv->vsync_irq = platform_get_irq(pdev, 0); - drm_vblank_init(drm, 1); + ret = drm_vblank_init(drm, 1); + if (ret) + goto free_drm; + drm_mode_config_init(drm); drm->mode_config.max_width = 3840; drm->mode_config.max_height = 2160;