Merge branch 'upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6

1 files changed, 14 insertions, 2 deletions

diff --git a/net/ieee80211/softmac/ieee80211softmac_auth.c b/net/ieee80211/softmac/ieee80211softmac_auth.c
index 9a0eac6c61eb..06e332624665 100644
--- a/net/ieee80211/softmac/ieee80211softmac_auth.c
+++ b/net/ieee80211/softmac/ieee80211softmac_auth.c
@@ -86,6 +86,11 @@ ieee80211softmac_auth_queue(void *data)
                 
                 /* Lock and set flags */
                 spin_lock_irqsave(&mac->lock, flags);
+                if (unlikely(!mac->running)) {
+                        /* Prevent reschedule on workqueue flush */
+                        spin_unlock_irqrestore(&mac->lock, flags);
+                        return;
+                }
                 net->authenticated = 0;
                 net->authenticating = 1;
                 /* add a timeout call so we eventually give up waiting for an auth reply */
@@ -124,6 +129,9 @@ ieee80211softmac_auth_resp(struct net_device *dev, struct ieee80211_auth *auth)
         unsigned long flags;
         u8 * data;
         
+        if (unlikely(!mac->running))
+                return -ENODEV;
+
         /* Find correct auth queue item */
         spin_lock_irqsave(&mac->lock, flags);
         list_for_each(list_ptr, &mac->auth_queue) {
@@ -298,8 +306,6 @@ ieee80211softmac_deauth_from_net(struct ieee80211softmac_device *mac,
         
         /* 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);
 }
 
@@ -338,6 +344,9 @@ ieee80211softmac_deauth_resp(struct net_device *dev, struct ieee80211_deauth *de
         struct ieee80211softmac_network *net = NULL;
         struct ieee80211softmac_device *mac = ieee80211_priv(dev);
         
+        if (unlikely(!mac->running))
+                return -ENODEV;
+
         if (!deauth) {
                 dprintk("deauth without deauth packet. eek!\n");
                 return 0;
@@ -360,5 +369,8 @@ ieee80211softmac_deauth_resp(struct net_device *dev, struct ieee80211_deauth *de
         }
 
         ieee80211softmac_deauth_from_net(mac, net);
+
+        /* let's try to re-associate */
+        schedule_work(&mac->associnfo.work);
         return 0;
 }