usb: irda-usb free urb cleanup

- usb_free_urb() cleanup

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c
index 14bda76..6e95645 100644
--- a/drivers/net/irda/irda-usb.c
+++ b/drivers/net/irda/irda-usb.c
@@ -1793,10 +1793,8 @@
 err_out_2:
 	usb_free_urb(self->tx_urb);
 err_out_1:
-	for (i = 0; i < self->max_rx_urb; i++) {
-		if (self->rx_urb[i])
-			usb_free_urb(self->rx_urb[i]);
-	}
+	for (i = 0; i < self->max_rx_urb; i++)
+		usb_free_urb(self->rx_urb[i]);
 	free_netdev(net);
 err_out:
 	return ret;