From patchwork Wed Nov 11 06:44:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 11896619 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 910C3C4742C for ; Wed, 11 Nov 2020 07:55:47 +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 2A416207D3 for ; Wed, 11 Nov 2020 07:55:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2A416207D3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.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 5263889F01; Wed, 11 Nov 2020 07:54:47 +0000 (UTC) Received: from szxga04-in.huawei.com (szxga04-in.huawei.com [45.249.212.190]) by gabe.freedesktop.org (Postfix) with ESMTPS id 18A2889ED6 for ; Wed, 11 Nov 2020 06:45:51 +0000 (UTC) Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4CWFc33z4Lz15T63; Wed, 11 Nov 2020 14:45:39 +0800 (CST) Received: from huawei.com (10.175.103.91) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.487.0; Wed, 11 Nov 2020 14:45:38 +0800 From: Yang Yingliang To: , Subject: [PATCH] drm/panel: add missing platform_driver_unregister() on error path Date: Wed, 11 Nov 2020 14:44:25 +0800 Message-ID: <20201111064425.3395558-1-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-CFilter-Loop: Reflected X-Mailman-Approved-At: Wed, 11 Nov 2020 07:54:43 +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: thierry.reding@gmail.com, sam@ravnborg.org, yangyingliang@huawei.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" If mipi_dsi_driver_register() failed, platform_driver_unregister() need be called. Fixes: 210fcd9d9cf1 ("drm/panel: Add support for Panasonic VVX10F004B0") Reported-by: Hulk Robot Signed-off-by: Yang Yingliang --- drivers/gpu/drm/panel/panel-simple.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 2be358fb46f7..2966ac13c538 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -4644,8 +4644,10 @@ static int __init panel_simple_init(void) if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) { err = mipi_dsi_driver_register(&panel_simple_dsi_driver); - if (err < 0) + if (err < 0) { + platform_driver_unregister(&panel_simple_platform_driver); return err; + } } return 0;