[media] em28xx: pass correct buffer size to snprintf

snprintf()'s size parameter includes space for the terminating '\0' character.

Signed-off-by: Chris Rankin <rankincj@yahoo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index 3e3959f..d947026 100644 (file)
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -3154,7 +3154,7 @@ static int em28xx_usb_probe(struct usb_interface *interface,
                goto err;
        }
 
-       snprintf(dev->name, 29, "em28xx #%d", nr);
+       snprintf(dev->name, sizeof(dev->name), "em28xx #%d", nr);
        dev->devno = nr;
        dev->model = id->driver_info;
        dev->alt   = -1;