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author | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2012-03-20 18:59:50 +0000 |
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committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2012-03-20 18:59:50 +0000 |
commit | 44e8ba93cf330f075178e31759100f367313790a (patch) | |
tree | 27956beb159bfb603d672b43cb207690a087dd0a /drivers/net/wireless/rt2x00/rt2x00mac.c | |
parent | e9fe8a714e450b26f76eaf8832f5b9fe24d00e79 (diff) | |
parent | c16fa4f2ad19908a47c63d8fa436a1178438c7e7 (diff) |
Merge commit 'v3.3' into fbdev-next
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); } |