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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 v2 10/11] media: sun6i-isp: capture: Fix uninitialized variable use
Date:   Thu,  8 Dec 2022 14:55:11 +0100
Message-Id: <20221208135512.421903-11-paul.kocialkowski@bootlin.com>
In-Reply-To: <20221208135512.421903-1-paul.kocialkowski@bootlin.com>
References: <20221208135512.421903-1-paul.kocialkowski@bootlin.com>
MIME-Version: 1.0
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Precedence: bulk

While the stride_chroma variable was previously initialized to zero,
it's actually stride_chroma_div4 that is set to hardware registers.

Initialize it to zero instead to avoid an uninitialized variable use
and get rid of the associated smatch warning.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
---
 drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c
index 4b592820845a..1595a9607775 100644
--- a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c
+++ b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c
@@ -108,8 +108,8 @@ sun6i_isp_capture_buffer_configure(struct sun6i_isp_device *isp_dev,
 void sun6i_isp_capture_configure(struct sun6i_isp_device *isp_dev)
 {
 	unsigned int width, height;
-	unsigned int stride_luma, stride_chroma = 0;
-	unsigned int stride_luma_div4, stride_chroma_div4;
+	unsigned int stride_luma, stride_chroma;
+	unsigned int stride_luma_div4, stride_chroma_div4 = 0;
 	const struct sun6i_isp_capture_format *format;
 	const struct v4l2_format_info *info;
 	u32 pixelformat;
-- 
2.38.1