From patchwork Mon Dec 6 00:48:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jammy Huang X-Patchwork-Id: 12694857 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 37F22C433EF for ; Mon, 6 Dec 2021 00:50:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=sBGqHttQxY+MTz7IcNP9uqSkWX0Y3pny80Q/+QRza9E=; b=sPF8zRKTDQHWeY RENBSNAKVBfxxLXHheXDzt3HRAfRgSThI2MqsK+k9rKnwIdjPTjqXtWwimy2W+bV9UCP9CXExwaRu TH7i30AkSqcC6FlGfs4aOI/woUud4NvLRGHyyqstomMVppPATlfHX5nYstyolPON2RSyor+FLkMLW CEcDtMmeqsyWe5mrjym9BFuJxnrV1s94RfJ+NMVw+lX8eqonV33L78XLsHomiTaxNTR19UVaIjWSa 1OI0NGbHD0CWjho1Zq+MNAWkpKfzOgfgSuw4LbEA1a5s4ZJN+vJnry11GCwfsI+/PiV1f0dmN39rU WHmV5swfKeSxeNwG8s8g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mu2BY-002GfQ-9Q; Mon, 06 Dec 2021 00:48:52 +0000 Received: from twspam01.aspeedtech.com ([211.20.114.71]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mu2BT-002Gdi-6L for linux-arm-kernel@lists.infradead.org; Mon, 06 Dec 2021 00:48:48 +0000 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 1B60NNMV022616; Mon, 6 Dec 2021 08:23:23 +0800 (GMT-8) (envelope-from jammy_huang@aspeedtech.com) Received: from JammyHuang-PC.aspeed.com (192.168.2.115) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 6 Dec 2021 08:48:13 +0800 From: Jammy Huang To: , , , , , , , , , , , , Subject: [PATCH v2] media: aspeed: move err-handling together to the bottom Date: Mon, 6 Dec 2021 08:48:11 +0800 Message-ID: <20211206004811.1118-1-jammy_huang@aspeedtech.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [192.168.2.115] X-ClientProxiedBy: TWMBX02.aspeed.com (192.168.0.24) To TWMBX02.aspeed.com (192.168.0.24) X-DNSRBL: X-MAIL: twspam01.aspeedtech.com 1B60NNMV022616 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211205_164847_524249_57D91D87 X-CRM114-Status: UNSURE ( 8.63 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org refine aspeed_video_setup_video() flow. Signed-off-by: Jammy Huang --- v2: - remove change-id in comment --- drivers/media/platform/aspeed-video.c | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-) diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c index fea5e4d0927e..f5c40d6b4ece 100644 --- a/drivers/media/platform/aspeed-video.c +++ b/drivers/media/platform/aspeed-video.c @@ -1641,11 +1641,8 @@ static int aspeed_video_setup_video(struct aspeed_video *video) rc = video->ctrl_handler.error; if (rc) { - v4l2_ctrl_handler_free(&video->ctrl_handler); - v4l2_device_unregister(v4l2_dev); - dev_err(video->dev, "Failed to init controls: %d\n", rc); - return rc; + goto err_ctrl_init; } v4l2_dev->ctrl_handler = &video->ctrl_handler; @@ -1663,11 +1660,8 @@ static int aspeed_video_setup_video(struct aspeed_video *video) rc = vb2_queue_init(vbq); if (rc) { - v4l2_ctrl_handler_free(&video->ctrl_handler); - v4l2_device_unregister(v4l2_dev); - dev_err(video->dev, "Failed to init vb2 queue\n"); - return rc; + goto err_vb2_init; } vdev->queue = vbq; @@ -1685,15 +1679,19 @@ static int aspeed_video_setup_video(struct aspeed_video *video) video_set_drvdata(vdev, video); rc = video_register_device(vdev, VFL_TYPE_GRABBER, 0); if (rc) { - vb2_queue_release(vbq); - v4l2_ctrl_handler_free(&video->ctrl_handler); - v4l2_device_unregister(v4l2_dev); - dev_err(video->dev, "Failed to register video device\n"); - return rc; + goto err_video_reg; } return 0; + +err_video_reg: + vb2_queue_release(vbq); +err_vb2_init: +err_ctrl_init: + v4l2_ctrl_handler_free(&video->ctrl_handler); + v4l2_device_unregister(v4l2_dev); + return rc; } static int aspeed_video_init(struct aspeed_video *video)