[PATCH v3 4/8] media: imx: Fail conversion if pixel format not supported

[Alexander Stein]

From: Dorota Czaplejewicz <dorota.czaplejewicz at puri.sm>

imx_media_find_mbus_format has NULL as a valid return value,
therefore the caller should take it into account.

Signed-off-by: Dorota Czaplejewicz <dorota.czaplejewicz at puri.sm>
Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
Changes in v3:
* Added R-b Laurent Pinchart

 drivers/staging/media/imx/imx-media-utils.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/staging/media/imx/imx-media-utils.c b/drivers/staging/media/imx/imx-media-utils.c
index 0534f7746cb3..0152bbcc5150 100644
--- a/drivers/staging/media/imx/imx-media-utils.c
+++ b/drivers/staging/media/imx/imx-media-utils.c
@@ -544,6 +544,9 @@ static int imx56_media_mbus_fmt_to_pix_fmt(struct v4l2_pix_format *pix,
 		cc = imx_media_find_mbus_format(code, PIXFMT_SEL_YUV);
 	}
 
+	if (!cc)
+		return -EINVAL;
+
 	/* Round up width for minimum burst size */
 	width = round_up(mbus->width, 8);
 
-- 
2.25.1