From patchwork Mon Oct 2 10:55:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 95371 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1qnGb2-003XUS-Am; Mon, 02 Oct 2023 10:56:16 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236568AbjJBK4N (ORCPT + 1 other); Mon, 2 Oct 2023 06:56:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39638 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236562AbjJBK4M (ORCPT ); Mon, 2 Oct 2023 06:56:12 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CEE5AB4 for ; Mon, 2 Oct 2023 03:56:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1696244169; x=1727780169; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=2rV5oZR1lD0N8kdUt1c+r+AazqaPEEAyA6KQ9dKEmOI=; b=EQjs6GNMcU6eLe0v4MwwDMsp2oDdJKa2/dbx9tu/2kEuujgoVkq96Ytt +Be6jsyfmhFU4S50R6ujqDHjKyafsAWJ8i9yp049+hD+efdx+XaL8GRs4 GLbUDCqkXOLJaTkLKFymGmxRy8eyZeFBsLHBQFxcPoaJOZGNO3rF9alVb 5agVfehr+lOmmLE3QFxH8NNRFUlYvhDZY5LaMxLXXK0gKTLv7n0Q2rkzV oIrXAZdLnjx60sd46QqB5CGV4yM/zfiZ7fXotCUE59RegtoY5td1gcs8Z vCuDbnPktu+153f8e2M8z2jv12SgMJtjiMrrVG7Be76eZNFqYhG11Xzv6 w==; X-IronPort-AV: E=McAfee;i="6600,9927,10850"; a="379896323" X-IronPort-AV: E=Sophos;i="6.03,194,1694761200"; d="scan'208";a="379896323" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Oct 2023 03:56:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10850"; a="816251162" X-IronPort-AV: E=Sophos;i="6.03,194,1694761200"; d="scan'208";a="816251162" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Oct 2023 03:56:06 -0700 Received: from svinhufvud.ger.corp.intel.com (localhost [IPv6:::1]) by kekkonen.fi.intel.com (Postfix) with ESMTP id 77D5A120A59; Mon, 2 Oct 2023 13:56:03 +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 v7 04/19] media: ccs: Correct error handling in ccs_register_subdev Date: Mon, 2 Oct 2023 13:55:42 +0300 Message-Id: <20231002105557.28972-5-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002105557.28972-1-sakari.ailus@linux.intel.com> References: <20231002105557.28972-1-sakari.ailus@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.4 (--) X-LSpam-Report: No, score=-2.4 required=5.0 tests=BAYES_00=-1.9,DKIMWL_WL_HIGH=0.001,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no 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)