diff --git a/drivers/usb/misc/chaoskey.c b/drivers/usb/misc/chaoskey.c
index cf5828ce927a..850f46cbace2 100644
--- a/drivers/usb/misc/chaoskey.c
+++ b/drivers/usb/misc/chaoskey.c
@@ -391,6 +391,8 @@ static int _chaoskey_fill(struct chaoskey *dev)
 	else
 		result = dev->valid;
 out:
+	/* in case of a timeout */
+	usb_kill_urb(dev->urb); 
 	/* Let the device go back to sleep eventually */
 	usb_autopm_put_interface(dev->interface);