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>
Subject: [PATCH 8/9] media: sun6i-isp: capture: Fix uninitialized variable use
Date: Thu, 8 Dec 2022 12:47:41 +0100 [thread overview]
Message-ID: <20221208114742.399461-9-paul.kocialkowski@bootlin.com> (raw)
In-Reply-To: <20221208114742.399461-1-paul.kocialkowski@bootlin.com>
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
next prev parent reply other threads:[~2022-12-08 11:48 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-08 11:47 [PATCH 0/9] Allwinner A31/A83T CSI/ISP/MIPI CSI-2 media fixes Paul Kocialkowski
2022-12-08 11:47 ` [PATCH 1/9] media: sun6i-csi: bridge: Fix return code handling in stream off path Paul Kocialkowski
2022-12-08 11:47 ` [PATCH 2/9] media: sun6i-csi: capture: Remove useless ret initialization Paul Kocialkowski
2022-12-08 11:47 ` [PATCH 3/9] media: sun6i-csi: bridge: Error out on invalid port to fix warning Paul Kocialkowski
2022-12-08 11:47 ` [PATCH 4/9] media: sun6i-mipi-csi2: Fix return code handling in stream off path Paul Kocialkowski
2022-12-08 11:47 ` [PATCH 5/9] media: sun8i-a83t-mipi-csi2: " Paul Kocialkowski
2022-12-08 11:47 ` [PATCH 6/9] media: sun6i-isp: bridge: " Paul Kocialkowski
2022-12-08 11:47 ` [PATCH 7/9] media: sun6i-isp: bridge: Error out on invalid port to fix warning Paul Kocialkowski
2022-12-08 11:47 ` Paul Kocialkowski [this message]
2022-12-08 11:47 ` [PATCH 9/9] media: sun6i-isp: params: Fix incorrect indentation Paul Kocialkowski
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