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From:   Paul Kocialkowski <paul.kocialkowski@bootlin.com>
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 <yong.deng@magewell.com>,
        Paul Kocialkowski <paul.kocialkowski@bootlin.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Chen-Yu Tsai <wens@csie.org>,
        Jernej Skrabec <jernej.skrabec@gmail.com>,
        Samuel Holland <samuel@sholland.org>,
        Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
        Hans Verkuil <hverkuil@xs4all.nl>,
        Sakari Ailus <sakari.ailus@iki.fi>,
        Conor Dooley <conor@kernel.org>,
        Nathan Chancellor <nathan@kernel.org>
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>
In-Reply-To: <20221208142006.425809-1-paul.kocialkowski@bootlin.com>
References: <20221208142006.425809-1-paul.kocialkowski@bootlin.com>
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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 <paul.kocialkowski@bootlin.com>
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;
 	}
 
-- 
2.38.1