1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/media/video/arv.c b/drivers/media/video/arv.c
index 2666d3b76630..19e9929ffa0f 100644
--- a/drivers/media/video/arv.c
+++ b/drivers/media/video/arv.c
@@ -441,7 +441,7 @@ static int ar_do_ioctl(struct inode *inode, struct file *file,
         {
                 struct video_window *w = arg;
                 DEBUG(1, "VIDIOCGWIN:\n");
-                memset(w, 0, sizeof(w));
+                memset(w, 0, sizeof(*w));
                 w->width = ar->width;
                 w->height = ar->height;
                 return 0;