diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00queue.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index e67e339d9df..06af823efd8 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -503,14 +503,25 @@ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev, if (unlikely(!intf->beacon)) return -ENOBUFS; + mutex_lock(&intf->beacon_skb_mutex); + + /* + * Clean up the beacon skb. + */ + rt2x00queue_free_skb(rt2x00dev, intf->beacon->skb); + intf->beacon->skb = NULL; + if (!enable_beacon) { rt2x00dev->ops->lib->kill_tx_queue(rt2x00dev, QID_BEACON); + mutex_unlock(&intf->beacon_skb_mutex); return 0; } intf->beacon->skb = ieee80211_beacon_get(rt2x00dev->hw, vif); - if (!intf->beacon->skb) + if (!intf->beacon->skb) { + mutex_unlock(&intf->beacon_skb_mutex); return -ENOMEM; + } /* * Copy all TX descriptor information into txdesc, @@ -548,6 +559,8 @@ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev, rt2x00dev->ops->lib->write_beacon(intf->beacon); rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, QID_BEACON); + mutex_unlock(&intf->beacon_skb_mutex); + return 0; } |