From patchwork Thu Dec 8 13:55:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 633401 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 B011AC4332F for ; Thu, 8 Dec 2022 13:56:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230177AbiLHN4y (ORCPT ); Thu, 8 Dec 2022 08:56:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60386 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230283AbiLHN4d (ORCPT ); Thu, 8 Dec 2022 08:56:33 -0500 Received: from relay7-d.mail.gandi.net (relay7-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::227]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D3B5A9951D; Thu, 8 Dec 2022 05:56:13 -0800 (PST) Received: (Authenticated sender: paul.kocialkowski@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 6CA972000F; Thu, 8 Dec 2022 13:55:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1670507752; 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=NirQ4Z0H8CCFNO8YF35iEuHBJ67K2AC07Y4K8xGkunI=; b=deKqCLsxjB88RmwnIcZIHBybtsPdTrLSzv+zQgNRFNikyTIWDuEu9NLsEvKJL7YNC3G9df Dm+ax6gFUOJkNzsg+VlE6qQ4BY9SjjTkjEOr58YVY/gNK/FfaagWL6DhCjO/8Pss8MVKbM xLdyr3LGB+Cu+5eNn2GKWm+d1KJrxt45wXrxTJosHfzGD91tRb1b+jvK1gg3ar4CuDbFjl a1zs5PNPj0vwZmy/K/hHHa2Iww0yagn8p54cIpbDIbmnwCdDElETYGeYYHm5XYOGnNgXA9 mhtmXkKPIQkZaIl2//RuuuOZp+znQ9Z3o+ptvkYrlSiEYe68kC5G0zTTkDYydQ== 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 v2 07/11] media: sun6i-isp: proc: Fix return code handling in stream off path Date: Thu, 8 Dec 2022 14:55:08 +0100 Message-Id: <20221208135512.421903-8-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221208135512.421903-1-paul.kocialkowski@bootlin.com> References: <20221208135512.421903-1-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 --- drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c index d69d2be0add2..a95709d2c573 100644 --- a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c +++ b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c @@ -173,8 +173,7 @@ static int sun6i_isp_proc_s_stream(struct v4l2_subdev *subdev, int on) struct sun6i_isp_proc_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 */ @@ -195,6 +194,7 @@ static int sun6i_isp_proc_s_stream(struct v4l2_subdev *subdev, int on) if (!on) { sun6i_isp_proc_irq_disable(isp_dev); v4l2_subdev_call(source_subdev, video, s_stream, 0); + ret = 0; goto disable; }