be consistent with mac80211 drivers and return correct return code.
NETDEV_TX_OK is 0, but we need to be consistent wrt formatting amongst
implementations
re: http://marc.info/?l=linux-wireless&m=
123119327419865&w=2
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Reviewed-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
                dev_kfree_skb_any(skb);
 
        IWL_DEBUG_MACDUMP("leave\n");
-       return 0;
+       return NETDEV_TX_OK;
 }
 
 static int iwl_mac_add_interface(struct ieee80211_hw *hw,
 
                dev_kfree_skb_any(skb);
 
        IWL_DEBUG_MAC80211("leave\n");
-       return 0;
+       return NETDEV_TX_OK;
 }
 
 static int iwl3945_mac_add_interface(struct ieee80211_hw *hw,