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| author |  Marek Vasut <marex@denx.de>
| 2023-02-16 02:44:01 +0100 |
|---|---|---|
| committer |  Mauro Carvalho Chehab <mchehab@kernel.org>
| 2023-02-26 11:21:33 +0100 |
| commit | 3e62aba8284de0994a669d07983299242e68fe72 (patch) | |
| tree | d282e137bfee8aa6c2cf8bb3cc3611244558dd0f | |
| parent | media: v4l2-subdev.c: clear stream field (diff) | |
| download | linux-3e62aba8284de0994a669d07983299242e68fe72.tar.gz linux-3e62aba8284de0994a669d07983299242e68fe72.tar.bz2 linux-3e62aba8284de0994a669d07983299242e68fe72.zip | |
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>
| -rw-r--r-- | drivers/media/platform/nxp/imx-mipi-csis.c | 3 |
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; |