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ath9k_htc: Lock sta_notify() callback

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Since ->sta_notify() can sleep, protect
the callback with a mutex.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith.Manoharan@atheros.com 2010-05-11 16:24:38 +05:30 committed by John W. Linville
parent 9feaddc77b
commit 05a30f9cf2
1 changed files with 4 additions and 0 deletions
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4
drivers/net/wireless/ath/ath9k/htc_drv_main.c
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@ -1452,6 +1452,8 @@ static void ath9k_htc_sta_notify(struct ieee80211_hw *hw,
struct ath9k_htc_priv *priv = hw->priv;
int ret;
mutex_lock(&priv->mutex);
switch (cmd) {
case STA_NOTIFY_ADD:
ret = ath9k_htc_add_station(priv, vif, sta);
@ -1464,6 +1466,8 @@ static void ath9k_htc_sta_notify(struct ieee80211_hw *hw,
default:
break;
}
mutex_unlock(&priv->mutex);
}
static int ath9k_htc_conf_tx(struct ieee80211_hw *hw, u16 queue,