[PATCH] softmac: correctly use netif_carrier_{on,off}

TODO: add callbacks for ifup/ifdown (see mailing list)
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/ieee80211/softmac/ieee80211softmac_assoc.c

@@ -268,7 +268,7 @@ ieee80211softmac_associated(struct ieee80211softmac_device *mac,
 	if (mac->set_bssid_filter)
 		mac->set_bssid_filter(mac->dev, net->bssid);
 	memcpy(mac->ieee->bssid, net->bssid, ETH_ALEN);
-	mac->dev->flags |= IFF_RUNNING;
+	netif_carrier_on(mac->dev);
 	
 	mac->association_id = le16_to_cpup(&resp->aid);
 }
@@ -346,7 +346,7 @@ ieee80211softmac_handle_disassoc(struct net_device * dev,
 	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
 	unsigned long flags;
 	dprintk(KERN_INFO PFX "got disassoc frame\n");
-	
+	netif_carrier_off(dev);
 	spin_lock_irqsave(&mac->lock, flags);
 	mac->associnfo.bssvalid = 0;
 	mac->associated = 0;

net/ieee80211/softmac/ieee80211softmac_auth.c

@@ -278,6 +278,8 @@ ieee80211softmac_deauth_from_net(struct ieee80211softmac_device *mac,
 		kfree(net->challenge);
 	kfree(net);
 	
+	/* can't transmit data right now... */
+	netif_carrier_off(mac->dev);
 	/* let's try to re-associate */
 	schedule_work(&mac->associnfo.work);
 	spin_unlock_irqrestore(&mac->lock, flags);

net/ieee80211/softmac/ieee80211softmac_module.c

@@ -40,21 +40,10 @@ struct net_device *alloc_ieee80211softmac(int sizeof_priv)
 	softmac->txrates.default_rate = IEEE80211_CCK_RATE_1MB;
 	softmac->txrates.default_fallback = IEEE80211_CCK_RATE_1MB;
 
-	/* should we also assign softmac->mgmt_xmit here so
-	 * that it is always valid? If so, we probably want
-	 * to define a new function for that which just
-	 * wraps ieee80211_tx_frame
-	 */
+	/* to start with, we can't send anything ... */
+	netif_carrier_off(dev);
 	
-	/* until associated, we're not ready */
-	dev->flags &= ~IFF_RUNNING;
-
 	return dev;
-
-err_free_ieee80211:
- 	free_ieee80211(dev);
-
-	return NULL;
 }
 
 /* Clears the pending work queue items, stops all scans, etc. */