From 3e62aba8284de0994a669d07983299242e68fe72 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Thu, 16 Feb 2023 02:44:01 +0100 Subject: [PATCH] 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 Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/nxp/imx-mipi-csis.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/platform/nxp/imx-mipi-csis.c b/drivers/media/platform/nxp/imx-mipi-csis.c index e996335..be2768a 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; -- 2.7.4