ps_idle is protected by the htc_pm_lock mutex.
Use it to protect the variable.
Signed-off-by: Sujith <[email protected]>
---
drivers/net/wireless/ath/ath9k/htc_drv_main.c | 18 +++++++++++++-----
1 files changed, 13 insertions(+), 5 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 011d967..5dad5cd 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -1401,16 +1401,17 @@ static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed)
bool enable_radio = false;
bool idle = !!(conf->flags & IEEE80211_CONF_IDLE);
+ mutex_lock(&priv->htc_pm_lock);
if (!idle && priv->ps_idle)
enable_radio = true;
-
priv->ps_idle = idle;
+ mutex_unlock(&priv->htc_pm_lock);
if (enable_radio) {
- ath9k_htc_setpower(priv, ATH9K_PM_AWAKE);
- ath9k_htc_radio_enable(hw);
ath_print(common, ATH_DBG_CONFIG,
"not-idle: enabling radio\n");
+ ath9k_htc_setpower(priv, ATH9K_PM_AWAKE);
+ ath9k_htc_radio_enable(hw);
}
}
@@ -1453,14 +1454,21 @@ static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed)
}
}
- if ((changed & IEEE80211_CONF_CHANGE_IDLE) && priv->ps_idle) {
+ if (changed & IEEE80211_CONF_CHANGE_IDLE) {
+ mutex_lock(&priv->htc_pm_lock);
+ if (!priv->ps_idle) {
+ mutex_unlock(&priv->htc_pm_lock);
+ goto out;
+ }
+ mutex_unlock(&priv->htc_pm_lock);
+
ath_print(common, ATH_DBG_CONFIG,
"idle: disabling radio\n");
ath9k_htc_radio_disable(hw);
}
+out:
mutex_unlock(&priv->mutex);
-
return 0;
}
--
1.7.1