[PATCH 3/3] ath6kl: Unset IFF_LOWER_UP flag on AP mode leave.

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When disabling tethering after having enabled it, the ath6kl driver does
not set the IFF_LOWER_UP flag to 0 (carrier off) on the wlan interface.

The upper layers (eg. connman) are not notified of the tethering mode
status change. So, tethering can not be activated anymore.

This patch adds a netif_carrier_off() call when stopping AP mode to fix
the problem.

Signed-off-by: Pierre Le Magourou <plemagourou@xxxxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath6kl/cfg80211.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index c9c4d7f..400d7dc 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -2971,7 +2971,11 @@ static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev)
 		return -ENOTCONN;
 
 	ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
+
+	spin_lock_bh(&vif->if_lock);
 	clear_bit(CONNECTED, &vif->flags);
+	netif_carrier_off(vif->ndev);
+	spin_unlock_bh(&vif->if_lock);
 
 	/* Restore ht setting in firmware */
 	return ath6kl_restore_htcap(vif);
-- 
2.9.0


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