[PATCH 06/14] mwifiex: abort cac in del_station() handler

From: Xinming Hu <redacted>

When hostapd is killed with Ctrl+C before cac get completed,
stop_ap handler will not be called, thus priv->wdev.cac_started
flag remains set.
Hostapd restart attempt will be failed in this case with device
busy error. This patch aborts cac in del_station handler to
handle this corner case.

Signed-off-by: Xinming Hu <redacted>
Signed-off-by: Amitkumar Karwar <redacted>
---
 drivers/net/wireless/marvell/mwifiex/cfg80211.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
index 0aab935..f7c26d6 100644
--- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c

@@ -1708,6 +1708,11 @@ mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
 	u8 deauth_mac[ETH_ALEN];
 	unsigned long flags;
 
+	if (!priv->bss_started && priv->wdev.cac_started) {
+		mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__);
+		mwifiex_abort_cac(priv);
+	}
+
 	if (list_empty(&priv->sta_list) || !priv->bss_started)
 		return 0;
 

-- 
1.8.1.4