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| author | David S. Miller <davem@davemloft.net> | 2012-03-18 23:29:41 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-03-18 23:29:41 -0400 |
| commit | 4da0bd736552e6377b407b3c3d3ae518ebbdd269 (patch) | |
| tree | f0da9f843b8033565c3ca4103fccb17a60688326 /drivers/net/wireless/rt2x00/rt2x00mac.c | |
| parent | 81a430ac1b88b0702c57d2513e247317e810e04d (diff) | |
| parent | c16fa4f2ad19908a47c63d8fa436a1178438c7e7 (diff) | |
| download | talos-obmc-linux-4da0bd736552e6377b407b3c3d3ae518ebbdd269.tar.gz talos-obmc-linux-4da0bd736552e6377b407b3c3d3ae518ebbdd269.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00mac.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00mac.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index ede3c58e6783..2df2eb6d3e06 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -152,13 +152,22 @@ void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) if (unlikely(rt2x00queue_write_tx_frame(queue, skb, false))) goto exit_fail; + /* + * Pausing queue has to be serialized with rt2x00lib_txdone(). Note + * we should not use spin_lock_bh variant as bottom halve was already + * disabled before ieee80211_xmit() call. + */ + spin_lock(&queue->tx_lock); if (rt2x00queue_threshold(queue)) rt2x00queue_pause_queue(queue); + spin_unlock(&queue->tx_lock); return; exit_fail: + spin_lock(&queue->tx_lock); rt2x00queue_pause_queue(queue); + spin_unlock(&queue->tx_lock); exit_free_skb: ieee80211_free_txskb(hw, skb); } |
