staging: ozwpan: Remove unnecessary pointer check.

We are already checking "ep" earlier in function. Do not
need to check again.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Rupesh Gujare <rupesh.gujare@atmel.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ozwpan/ozhcd.c

@@ -527,7 +527,7 @@ static int oz_enqueue_ep_urb(struct oz_port *port, u8 ep_addr, int in_dir,
 		return 0;
 	}
 
-	if (ep && port->hpd) {
+	if (port->hpd) {
 		list_add_tail(&urbl->link, &ep->urb_list);
 		if (!in_dir && ep_addr && (ep->credit < 0)) {
 			getrawmonotonic(&ep->timestamp);