2013-02-14 09:37:16

by Mohammed Shafi Shajakhan

[permalink] [raw]
Subject: [PATCH 2/6] ath6kl: Protect ath6kl_cfg80211_vif_cleanup using rtnl_locks

From: Mohammed Shafi Shajakhan <[email protected]>

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 <[email protected]>
---
drivers/net/wireless/ath/ath6kl/cfg80211.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index 8e45f41..227fc43 100644
--- 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;
}
--
1.7.9.5