ath6kl: Protect ath6kl_cfg80211_vif_cleanup using rtnl_locks

ath6kl_cfg80211_vif_cleanup calls 'unregister_netdevice' which
inturn calls 'unregister_netdevice_queue' and it requires holding
rtnl_lock semaphore protection.

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index ad79880..982dbf6 100644 (file)
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -1535,7 +1535,9 @@ static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
 
        ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag));
 
+       rtnl_lock();
        ath6kl_cfg80211_vif_cleanup(vif);
+       rtnl_unlock();
 
        return 0;
 }