From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay7-d.mail.gandi.net (relay7-d.mail.gandi.net [217.70.183.200]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E07C72F5A; Thu, 8 Dec 2022 13:55:48 +0000 (UTC) Received: (Authenticated sender: paul.kocialkowski@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 8621320013; Thu, 8 Dec 2022 13:55:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1670507741; 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=G6S8oJ3aFtNCcZoU3kaxCoOFZa8bIBnBoUJ/ngEwAfA=; b=Xh6IJn/Eo4sdxtXZ4/WfVUG3ONYS3pVncFcmHw3SQkG704aHxc9lsAN35Ala0uhE68xtWY CueyCWXhXb4YMwvl4WAcMFS2Ng1nIHlug6p6PT9ZFVveOYenZvE3j77GWTQKPn8s+rfdqt HnMW7aXwbKMHukWwBzFbMbMQ86MfAkhKayl7m4MszrhfbB0+eyiOWPNRsWlcq7vUDvzExX 1BaQNaMjAboE06i/fuD6h4vgk2L8LAx9Tv9pCfwrK1IND0xAz3VepSkNwuvAUrhFzdBU1Y t1K1lfzck427cUtBvMzqM+GlOC4E3AlutXZhWqjTPH30T4vYIAOMoZKo1gLqNA== 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 02/11] media: sun6i-csi: bridge: Error out on invalid port to fix warning Date: Thu, 8 Dec 2022 14:55:03 +0100 Message-Id: <20221208135512.421903-3-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> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The enabled variable is only set for a valid port and used later, which triggers an uninitialized use smatch warning. Explicitly error out in that case to fix the warning. Signed-off-by: Paul Kocialkowski --- drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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 88df3a73ebfa..4517c0346eef 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c @@ -663,7 +663,7 @@ sun6i_csi_bridge_notifier_bound(struct v4l2_async_notifier *notifier, enabled = !bridge->source_parallel.expected; break; default: - break; + return -EINVAL; } source->subdev = remote_subdev; -- 2.38.1