Return-path: Received: from mail.atheros.com ([12.36.123.2]:47723 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757020Ab0EKKyT (ORCPT ); Tue, 11 May 2010 06:54:19 -0400 Received: from mail.atheros.com ([10.10.20.105]) by sidewinder.atheros.com for ; Tue, 11 May 2010 03:54:19 -0700 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Message-ID: <19433.14190.31764.174876@gargle.gargle.HOWL> Date: Tue, 11 May 2010 16:24:38 +0530 To: CC: Subject: [PATCH 1/5] ath9k_htc: Lock sta_notify() callback From: Sender: linux-wireless-owner@vger.kernel.org List-ID: Since ->sta_notify() can sleep, protect the callback with a mutex. Signed-off-by: Sujith --- 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 --