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authorMarek Vasut <marex@denx.de>2023-02-16 04:44:01 +0300
committerMauro Carvalho Chehab <mchehab@kernel.org>2023-02-26 13:21:33 +0300
commit3e62aba8284de0994a669d07983299242e68fe72 (patch)
treed282e137bfee8aa6c2cf8bb3cc3611244558dd0f /drivers
parent68e87ebf2605643072264ed452f4e560417ddb1b (diff)
downloadlinux-3e62aba8284de0994a669d07983299242e68fe72.tar.xz
media: imx-mipi-csis: Check csis_fmt validity before use
The find_csis_format() may return NULL in case supported format is not found, check the return value of find_csis_format() before using the result to avoid NULL pointer dereference. Fixes: 11927d0fd0d0 ("media: imx-mipi-csis: Use V4L2 subdev active state") Signed-off-by: Marek Vasut <marex@denx.de> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/platform/nxp/imx-mipi-csis.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/platform/nxp/imx-mipi-csis.c b/drivers/media/platform/nxp/imx-mipi-csis.c
index e99633565463..be2768a47995 100644
--- a/drivers/media/platform/nxp/imx-mipi-csis.c
+++ b/drivers/media/platform/nxp/imx-mipi-csis.c
@@ -1109,6 +1109,9 @@ static int mipi_csis_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
csis_fmt = find_csis_format(fmt->code);
v4l2_subdev_unlock_state(state);
+ if (!csis_fmt)
+ return -EPIPE;
+
fd->type = V4L2_MBUS_FRAME_DESC_TYPE_PARALLEL;
fd->num_entries = 1;