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Diffstat (limited to 'drivers/media/video/uvc/uvc_v4l2.c')
-rw-r--r--drivers/media/video/uvc/uvc_v4l2.c3
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;