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-rw-r--r--drivers/media/video/soc_mediabus.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/media/video/soc_mediabus.c b/drivers/media/video/soc_mediabus.c
index 0149290ee5a6..8b63b6545e76 100644
--- a/drivers/media/video/soc_mediabus.c
+++ b/drivers/media/video/soc_mediabus.c
@@ -149,7 +149,8 @@ EXPORT_SYMBOL(soc_mbus_bytes_per_line);
const struct soc_mbus_pixelfmt *soc_mbus_get_fmtdesc(
enum v4l2_mbus_pixelcode code)
{
- if ((unsigned int)(code - V4L2_MBUS_FMT_FIXED) > ARRAY_SIZE(mbus_fmt))
+ if (code - V4L2_MBUS_FMT_FIXED > ARRAY_SIZE(mbus_fmt) ||
+ code <= V4L2_MBUS_FMT_FIXED)
return NULL;
return mbus_fmt + code - V4L2_MBUS_FMT_FIXED - 1;
}