1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c
index 485a89912cef..369ce06be035 100644
--- a/drivers/media/video/uvc/uvc_v4l2.c
+++ b/drivers/media/video/uvc/uvc_v4l2.c
@@ -1028,6 +1028,9 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
 
+                if (xinfo->size == 0)
+                        return -EINVAL;
+
                 info = kzalloc(sizeof *info, GFP_KERNEL);
                 if (info == NULL)
                         return -ENOMEM;