From patchwork Thu Aug 22 21:15:18 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 11110799 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 EB3D313A4 for ; Fri, 23 Aug 2019 07:30:54 +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 D3C4F233A0 for ; Fri, 23 Aug 2019 07:30:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D3C4F233A0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=wanadoo.fr 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 37EF56EBC1; Fri, 23 Aug 2019 07:30:45 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtp.smtpout.orange.fr (smtp05.smtpout.orange.fr [80.12.242.127]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9C6236EB11 for ; Thu, 22 Aug 2019 21:15:29 +0000 (UTC) Received: from localhost.localdomain ([90.126.160.115]) by mwinf5d10 with ME id sMFM200022Vh0YS03MFMFh; Thu, 22 Aug 2019 23:15:27 +0200 X-ME-Helo: localhost.localdomain X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Thu, 22 Aug 2019 23:15:27 +0200 X-ME-IP: 90.126.160.115 From: Christophe JAILLET To: linus.walleij@linaro.org, airlied@linux.ie, daniel@ffwll.ch Subject: [PATCH] drm/mcde: Fix an error handling path in 'mcde_probe()' Date: Thu, 22 Aug 2019 23:15:18 +0200 Message-Id: <20190822211518.5578-1-christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 23 Aug 2019 07:30:43 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Christophe JAILLET , kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" If we don't find any matching components, we should go through the error handling path, in order to free some resources. Fixes: ca5be902a87d ("drm/mcde: Fix uninitialized variable") Signed-off-by: Christophe JAILLET --- drivers/gpu/drm/mcde/mcde_drv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c index 9a09eba53182..5649887d2b90 100644 --- a/drivers/gpu/drm/mcde/mcde_drv.c +++ b/drivers/gpu/drm/mcde/mcde_drv.c @@ -484,7 +484,8 @@ static int mcde_probe(struct platform_device *pdev) } if (!match) { dev_err(dev, "no matching components\n"); - return -ENODEV; + ret = -ENODEV; + goto clk_disable; } if (IS_ERR(match)) { dev_err(dev, "could not create component match\n");