From: <Sujith.Manoharan@atheros.com>
To: <linville@tuxdriver.com>
Cc: <linux-wireless@vger.kernel.org>
Subject: [PATCH 1/5] ath9k_htc: Lock sta_notify() callback
Date: Tue, 11 May 2010 16:24:38 +0530 [thread overview]
Message-ID: <19433.14190.31764.174876@gargle.gargle.HOWL> (raw)
Since ->sta_notify() can sleep, protect
the callback with a mutex.
Signed-off-by: Sujith <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 6c386da..9d371c1 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -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,
--
1.7.1
--
next reply other threads:[~2010-05-11 10:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-11 10:54 Sujith.Manoharan [this message]
2010-05-11 10:57 ` [PATCH 1/5] ath9k_htc: Lock sta_notify() callback Johannes Berg
2010-05-11 11:17 ` Sujith.Manoharan
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