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author | Sujith Manoharan <Sujith.Manoharan@atheros.com> | 2011-02-21 07:49:08 +0530 |
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committer | John W. Linville <linville@tuxdriver.com> | 2011-02-23 16:25:27 -0500 |
commit | 87df89579a4a3e6c767603acb762115159655745 (patch) | |
tree | b8b8a1acc083db7cc727777e3536cc8a6f3c4cae | |
parent | 2299423bd0e32ccef78bbf1d4075617e3fd6cfd3 (diff) | |
download | op-kernel-dev-87df89579a4a3e6c767603acb762115159655745.zip op-kernel-dev-87df89579a4a3e6c767603acb762115159655745.tar.gz |
ath9k_htc: Protect ampdu_action with a mutex
This is required when issuing commands to the firmware.
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_main.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index 9620f45..04cb243 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -1639,6 +1639,8 @@ static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw, struct ath9k_htc_sta *ista; int ret = 0; + mutex_lock(&priv->mutex); + switch (action) { case IEEE80211_AMPDU_RX_START: break; @@ -1663,6 +1665,8 @@ static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw, ath_err(ath9k_hw_common(priv->ah), "Unknown AMPDU action\n"); } + mutex_unlock(&priv->mutex); + return ret; } |