arlan: inverted logic?

Inverted logic
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/arlan-main.c

@@ -1022,7 +1022,7 @@ static int arlan_mac_addr(struct net_device *dev, void *p)
 	ARLAN_DEBUG_ENTRY("arlan_mac_addr");
 	return -EINVAL;
 
-	if (!netif_running(dev))
+	if (netif_running(dev))
 		return -EBUSY;
 	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);