From patchwork Thu Dec 8 14:19:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 633399 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 DD149C63703 for ; Thu, 8 Dec 2022 14:20:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229841AbiLHOUe (ORCPT ); Thu, 8 Dec 2022 09:20:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48656 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229605AbiLHOUc (ORCPT ); Thu, 8 Dec 2022 09:20:32 -0500 Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::226]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 492CDD2FD; Thu, 8 Dec 2022 06:20:31 -0800 (PST) Received: (Authenticated sender: paul.kocialkowski@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id CC93DC000A; Thu, 8 Dec 2022 14:20:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1670509229; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=4H86cqUfo0veX7ajDKOvCLkZuNLK31VBo7MemiXpJog=; b=SE28wRoJfx3NxPUQTHch2c8hS6doHhE3jLz1I4oUI/wSV07e3fjfI03JjoiARh+xttgJQ1 56SGF19BmGFfw/0NXpIFIz2UPlhPUGQnk1sEXiEbfODkQ1VZjhiIgmVcpGYs1OnfrSVAaZ ZoeS0lZ65JVcD2QEcKt1hDWzRsJm5c+jY2G9ACM9WuQXJ1ACqmI+81Rq4pZxFvrvDrZhCP BtRKbXvZAr5xQxSAPAJbhTzgXpTV4pUuWVTVshNmCkfvebTiUycyV5VpRIy6pudrqg/v91 EZORjFCoQz4GAVPpNbbwVHB4VloKy6mZgU3EUA10pUISz1vgeQyXi0stkUE9kA== From: Paul Kocialkowski To: linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev Cc: Yong Deng , Paul Kocialkowski , Mauro Carvalho Chehab , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Thomas Petazzoni , Hans Verkuil , Sakari Ailus , Conor Dooley , Nathan Chancellor Subject: [PATCH v3 01/12] media: sun6i-csi: bridge: Fix return code handling in stream off path Date: Thu, 8 Dec 2022 15:19:55 +0100 Message-Id: <20221208142006.425809-2-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221208142006.425809-1-paul.kocialkowski@bootlin.com> References: <20221208142006.425809-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Explicitly set ret to zero on disable path to avoid a related smatch warning. This makes initialization at declaration useless. Signed-off-by: Paul Kocialkowski Fixes: 0d2b746b1bef ("media: sun6i-csi: Add bridge v4l2 subdev with port management") --- drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c index 86d20c1c35ed..88df3a73ebfa 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c @@ -415,8 +415,7 @@ static int sun6i_csi_bridge_s_stream(struct v4l2_subdev *subdev, int on) struct sun6i_csi_bridge_source *source; struct v4l2_subdev *source_subdev; struct media_pad *remote_pad; - /* Initialize to 0 to use both in disable label (ret != 0) and off. */ - int ret = 0; + int ret; /* Source */ @@ -436,6 +435,7 @@ static int sun6i_csi_bridge_s_stream(struct v4l2_subdev *subdev, int on) if (!on) { v4l2_subdev_call(source_subdev, video, s_stream, 0); + ret = 0; goto disable; }