3 files changed, 56 insertions, 9 deletions

diff --git a/net/ieee80211/softmac/ieee80211softmac_assoc.c b/net/ieee80211/softmac/ieee80211softmac_assoc.c
index 5e9a90651d04..0af360d9e9a5 100644
--- a/net/ieee80211/softmac/ieee80211softmac_assoc.c
+++ b/net/ieee80211/softmac/ieee80211softmac_assoc.c
@@ -47,9 +47,7 @@ ieee80211softmac_assoc(struct ieee80211softmac_device *mac, struct ieee80211soft
 	
 	dprintk(KERN_INFO PFX "sent association request!\n");
 
-	/* Change the state to associating */
 	spin_lock_irqsave(&mac->lock, flags);
-	mac->associnfo.associating = 1;
 	mac->associated = 0; /* just to make sure */
 
 	/* Set a timer for timeout */
@@ -203,6 +201,10 @@ ieee80211softmac_assoc_work(void *d)
 	if (mac->associated)
 		ieee80211softmac_send_disassoc_req(mac, WLAN_REASON_DISASSOC_STA_HAS_LEFT);
 
+	spin_lock_irqsave(&mac->lock, flags);
+	mac->associnfo.associating = 1;
+	spin_unlock_irqrestore(&mac->lock, flags);
+
 	/* try to find the requested network in our list, if we found one already */
 	if (bssvalid || mac->associnfo.bssfixed)
 		found = ieee80211softmac_get_network_by_bssid(mac, mac->associnfo.bssid);	
@@ -295,19 +297,32 @@ ieee80211softmac_assoc_work(void *d)
 	memcpy(mac->associnfo.associate_essid.data, found->essid.data, IW_ESSID_MAX_SIZE + 1);
 	
 	/* we found a network! authenticate (if necessary) and associate to it. */
-	if (!found->authenticated) {
+	if (found->authenticating) {
+		dprintk(KERN_INFO PFX "Already requested authentication, waiting...\n");
+		if(!mac->associnfo.assoc_wait) {
+			mac->associnfo.assoc_wait = 1;
+			ieee80211softmac_notify_internal(mac, IEEE80211SOFTMAC_EVENT_ANY, found, ieee80211softmac_assoc_notify, NULL, GFP_KERNEL);
+		}
+		return;
+	}
+	if (!found->authenticated && !found->authenticating) {
 		/* This relies on the fact that _auth_req only queues the work,
 		 * otherwise adding the notification would be racy. */
 		if (!ieee80211softmac_auth_req(mac, found)) {
-			dprintk(KERN_INFO PFX "cannot associate without being authenticated, requested authentication\n");
-			ieee80211softmac_notify_internal(mac, IEEE80211SOFTMAC_EVENT_ANY, found, ieee80211softmac_assoc_notify_auth, NULL, GFP_KERNEL);
+			if(!mac->associnfo.assoc_wait) {
+				dprintk(KERN_INFO PFX "Cannot associate without being authenticated, requested authentication\n");
+				mac->associnfo.assoc_wait = 1;
+				ieee80211softmac_notify_internal(mac, IEEE80211SOFTMAC_EVENT_ANY, found, ieee80211softmac_assoc_notify, NULL, GFP_KERNEL);
+			}
 		} else {
 			printkl(KERN_WARNING PFX "Not authenticated, but requesting authentication failed. Giving up to associate\n");
+			mac->associnfo.assoc_wait = 0;
 			ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_FAILED, found);
 		}
 		return;
 	}
 	/* finally! now we can start associating */
+	mac->associnfo.assoc_wait = 0;
 	ieee80211softmac_assoc(mac, found);
 }
 
diff --git a/net/ieee80211/softmac/ieee80211softmac_auth.c b/net/ieee80211/softmac/ieee80211softmac_auth.c
index 90b8484e509b..ebc33ca6e692 100644
--- a/net/ieee80211/softmac/ieee80211softmac_auth.c
+++ b/net/ieee80211/softmac/ieee80211softmac_auth.c
@@ -36,8 +36,9 @@ ieee80211softmac_auth_req(struct ieee80211softmac_device *mac,
 	struct ieee80211softmac_auth_queue_item *auth;
 	unsigned long flags;
 	
-	if (net->authenticating)
+	if (net->authenticating || net->authenticated)
 		return 0;
+	net->authenticating = 1;
 
 	/* Add the network if it's not already added */
 	ieee80211softmac_add_network(mac, net);
@@ -92,7 +93,6 @@ ieee80211softmac_auth_queue(void *data)
 			return;
 		}
 		net->authenticated = 0;
-		net->authenticating = 1;
 		/* add a timeout call so we eventually give up waiting for an auth reply */
 		schedule_delayed_work(&auth->work, IEEE80211SOFTMAC_AUTH_TIMEOUT);
 		auth->retry--;
diff --git a/net/ieee80211/softmac/ieee80211softmac_wx.c b/net/ieee80211/softmac/ieee80211softmac_wx.c
index 0e65ff4e33fc..75320b6842ab 100644
--- a/net/ieee80211/softmac/ieee80211softmac_wx.c
+++ b/net/ieee80211/softmac/ieee80211softmac_wx.c
@@ -70,12 +70,44 @@ ieee80211softmac_wx_set_essid(struct net_device *net_dev,
 			      char *extra)
 {
 	struct ieee80211softmac_device *sm = ieee80211_priv(net_dev);
+	struct ieee80211softmac_network *n;
+	struct ieee80211softmac_auth_queue_item *authptr;
 	int length = 0;
 	unsigned long flags;
-	
+
+	/* Check if we're already associating to this or another network
+	 * If it's another network, cancel and start over with our new network
+	 * If it's our network, ignore the change, we're already doing it!
+	 */
+	if((sm->associnfo.associating || sm->associated) &&
+	   (data->essid.flags && data->essid.length && extra)) {
+		/* Get the associating network */
+		n = ieee80211softmac_get_network_by_bssid(sm, sm->associnfo.bssid);
+		if(n && n->essid.len == (data->essid.length - 1) &&
+		   !memcmp(n->essid.data, extra, n->essid.len)) {
+			dprintk(KERN_INFO PFX "Already associating or associated to "MAC_FMT"\n",
+				MAC_ARG(sm->associnfo.bssid));
+			return 0;
+		} else {
+			dprintk(KERN_INFO PFX "Canceling existing associate request!\n");
+			spin_lock_irqsave(&sm->lock,flags);
+			/* Cancel assoc work */
+			cancel_delayed_work(&sm->associnfo.work);
+			/* We don't have to do this, but it's a little cleaner */
+			list_for_each_entry(authptr, &sm->auth_queue, list)
+				cancel_delayed_work(&authptr->work);
+			sm->associnfo.bssvalid = 0;
+			sm->associnfo.bssfixed = 0;
+			spin_unlock_irqrestore(&sm->lock,flags);
+			flush_scheduled_work();
+		}
+	}
+
+
 	spin_lock_irqsave(&sm->lock, flags);
-	
+
 	sm->associnfo.static_essid = 0;
+	sm->associnfo.assoc_wait = 0;
 
 	if (data->essid.flags && data->essid.length && extra /*required?*/) {
 		length = min(data->essid.length - 1, IW_ESSID_MAX_SIZE);