Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[linux-2.6] / net / mac80211 / tx.c

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 1d7dd54aacef31120fa744bef928bd7075ad72c2..c80d5899f27903c23080c419e808fddc323d521e 100644 (file)
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1132,7 +1132,7 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
        ieee80211_tx_handler *handler;
        struct ieee80211_tx_data tx;
        ieee80211_tx_result res = TX_DROP, res_prepare;
-       int ret, i;
+       int ret, i, retries = 0;
 
        WARN_ON(__ieee80211_queue_pending(local, control->queue));
 
@@ -1216,6 +1216,13 @@ retry:
                if (!__ieee80211_queue_stopped(local, control->queue)) {
                        clear_bit(IEEE80211_LINK_STATE_PENDING,
                                  &local->state[control->queue]);
+                       retries++;
+                       /*
+                        * Driver bug, it's rejecting packets but
+                        * not stopping queues.
+                        */
+                       if (WARN_ON_ONCE(retries > 5))
+                               goto drop;
                        goto retry;
                }
                memcpy(&store->control, control,
@@ -1562,13 +1569,13 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
         * be cloned. This could happen, e.g., with Linux bridge code passing
         * us broadcast frames. */
 
-       if (head_need > 0 || skb_header_cloned(skb)) {
+       if (head_need > 0 || skb_cloned(skb)) {
 #if 0
                printk(KERN_DEBUG "%s: need to reallocate buffer for %d bytes "
                       "of headroom\n", dev->name, head_need);
 #endif
 
-               if (skb_header_cloned(skb))
+               if (skb_cloned(skb))
                        I802_DEBUG_INC(local->tx_expand_skb_head_cloned);
                else
                        I802_DEBUG_INC(local->tx_expand_skb_head);