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From: Sujith <m.sujith@gmail.com>
To: linville@tuxdriver.com
Cc: linux-wireless@vger.kernel.org, Sujith.Manoharan@atheros.com
Subject: [PATCH 11/23] ath9k_htc: Protect ampdu_action with a mutex
Date: Mon, 21 Feb 2011 07:49:08 +0530	[thread overview]
Message-ID: <19809.52124.186919.920232@gargle.gargle.HOWL> (raw)

From: Sujith Manoharan <Sujith.Manoharan@atheros.com>

This is required when issuing commands to the firmware.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
---
 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;
 }
 
-- 
1.7.4.1


                 reply	other threads:[~2011-02-21  2:19 UTC|newest]

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