If an error occurs after a successful usb_alloc_urb() call, usb_free_urb()
should be called.

Fixes: fb1a79a6 ("HID: sony: fix freeze when inserting ghlive ps3/wii dongles")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>