From: Xinming Hu <[email protected]>

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 <[email protected]>
Signed-off-by: Amitkumar Karwar <[email protected]>
---
 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

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