1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/media/video/soc_mediabus.c b/drivers/media/video/soc_mediabus.c
index f8d5c87dc2aa..a4c0ef4b9d3b 100644
--- a/drivers/media/video/soc_mediabus.c
+++ b/drivers/media/video/soc_mediabus.c
@@ -134,7 +134,8 @@ 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;
 }