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-rw-r--r--net/ieee80211/ieee80211_tx.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/ieee80211/ieee80211_tx.c b/net/ieee80211/ieee80211_tx.c
index 23a1f88de7cbb6..e9efdd42ba373e 100644
--- a/net/ieee80211/ieee80211_tx.c
+++ b/net/ieee80211/ieee80211_tx.c
@@ -236,8 +236,12 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
};
u8 dest[ETH_ALEN], src[ETH_ALEN];
struct ieee80211_crypt_data *crypt;
+ int priority = skb->priority;
int snapped = 0;
+ if (ieee->is_queue_full && (*ieee->is_queue_full) (dev, priority))
+ return NETDEV_TX_BUSY;
+
spin_lock_irqsave(&ieee->lock, flags);
/* If there is no driver handler to take the TXB, dont' bother
@@ -467,6 +471,14 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
stats->tx_bytes += txb->payload_size;
return 0;
}
+
+ if (ret == NETDEV_TX_BUSY) {
+ printk(KERN_ERR "%s: NETDEV_TX_BUSY returned; "
+ "driver should report queue full via "
+ "ieee_device->is_queue_full.\n",
+ ieee->dev->name);
+ }
+
ieee80211_txb_free(txb);
}