From patchwork Wed Sep 27 06:18:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 726944 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B9DDE80A92 for ; Wed, 27 Sep 2023 06:19:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229765AbjI0GS7 (ORCPT ); Wed, 27 Sep 2023 02:18:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37248 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229791AbjI0GSn (ORCPT ); Wed, 27 Sep 2023 02:18:43 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE8AD97 for ; Tue, 26 Sep 2023 23:18:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1695795522; x=1727331522; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=2rV5oZR1lD0N8kdUt1c+r+AazqaPEEAyA6KQ9dKEmOI=; b=RcuZ3og41nRCUNbiHnyGqGjIrN5HJAKyaFpxy7tvHIu2u/jovYquFNN1 QGA8ku41OnSHn5KkC31Jjq8drrFkX9sQjppHZCbK+HIY+EnBIvEVSJXNx g+6BnBWaLcFMX5k+lRJ3Mp+Xj1o+K1slXfECT11XzSdU2Lky7rxWV19+1 Eejbspfmi9ToIfP4Fvv0jWSBKGl1vj6xboUfM5mXuYBnrm7pZdhbuJw8Q v8uZBfQV/lOOyQ2XWa5aoh5cuWQfXC9nVeTSR36ANgR2Ur53QkLcw+fNJ ZWzo2GMQP3t7COpO8km5plzNYR7VppDIg+BHTB+ZEAPbAywcr0ZRNc7ZH w==; X-IronPort-AV: E=McAfee;i="6600,9927,10845"; a="381641129" X-IronPort-AV: E=Sophos;i="6.03,179,1694761200"; d="scan'208";a="381641129" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Sep 2023 23:18:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10845"; a="742598588" X-IronPort-AV: E=Sophos;i="6.03,179,1694761200"; d="scan'208";a="742598588" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Sep 2023 23:18:39 -0700 Received: from svinhufvud.ger.corp.intel.com (localhost [IPv6:::1]) by kekkonen.fi.intel.com (Postfix) with ESMTP id 34D2A120A68; Wed, 27 Sep 2023 09:18:36 +0300 (EEST) From: Sakari Ailus To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, Tianshu Qiu , Bingbu Cao , Tomi Valkeinen , Jacopo Mondi , Rui Miguel Silva , Martin Kepplinger Subject: [PATCH v5 04/13] media: ccs: Correct error handling in ccs_register_subdev Date: Wed, 27 Sep 2023 09:18:20 +0300 Message-Id: <20230927061829.366107-5-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230927061829.366107-1-sakari.ailus@linux.intel.com> References: <20230927061829.366107-1-sakari.ailus@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org ccs_register_subdev() did not clean up the media entity in error case, do that now. Also switch to goto based error handling. Signed-off-by: Sakari Ailus Reviewed-by: Laurent Pinchart --- drivers/media/i2c/ccs/ccs-core.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c index 022e8712d48e..fb823c5c3dd3 100644 --- a/drivers/media/i2c/ccs/ccs-core.c +++ b/drivers/media/i2c/ccs/ccs-core.c @@ -2968,7 +2968,7 @@ static int ccs_register_subdev(struct ccs_sensor *sensor, rval = v4l2_device_register_subdev(sensor->src->sd.v4l2_dev, &ssd->sd); if (rval) { dev_err(&client->dev, "v4l2_device_register_subdev failed\n"); - return rval; + goto out_media_entity_cleanup; } rval = media_create_pad_link(&ssd->sd.entity, source_pad, @@ -2976,11 +2976,18 @@ static int ccs_register_subdev(struct ccs_sensor *sensor, link_flags); if (rval) { dev_err(&client->dev, "media_create_pad_link failed\n"); - v4l2_device_unregister_subdev(&ssd->sd); - return rval; + goto out_v4l2_device_unregister_subdev; } return 0; + +out_v4l2_device_unregister_subdev: + v4l2_device_unregister_subdev(&ssd->sd); + +out_media_entity_cleanup: + media_entity_cleanup(&ssd->sd.entity); + + return rval; } static void ccs_unregistered(struct v4l2_subdev *subdev)