Cumulative patch from commit c0333c8dd59b9e254d3fc725c984b1c0cd3d496a

c0333c8 Check rx_mgmt::frame more consistently against NULL
d6c6b1f Make sta NULL-check easier for static analyzers
0bceb8d Make dl_list_first() and dl_list_last() uses easier for static analyzers
5f693cb WPS HTTP: Remove unused assignment
ee4fefc Remove duplicated variable zeroing
4a9d0eb Make PMKID check easier for static analyzers
06df2aa Remove floating constant suffix 'd' from test coee
9670f87 ACS: Clean up ifdef CONFIG_ACS to avoid unreachable code
ece88f7 Make last_scan_res update easier for static analyzers
d06e9ac P2P: Verify operating channel validity for NFC connection handover
13a524a nl80211: Remove unnecessary wpa_driver_nl80211_set_freq() wrapper
e87ef75 nl80211: Add support for changing AP mode channel bandwidth
3057518 Sync with mac80211-next.git nl80211.h
5f0bca7 Retry initial 20/40 MHz co-ex scan if the driver is busy
587d60d Add AP mode support for HT 20/40 co-ex Action frame
9c47f6a hostapd: Extend support for HT 20/40 coexistence feature
196c9c7 Make channel parameters available in set_ap() driver operation
b7a6702 Indicate disconnection event on interface disabled
b89962b Fix wpa_config_read() with existing config block
27b4187 WPS: Print setsockopt() failure in debug log
52cb207 trace: Replace demangle.h with internal defines
0e80ea2 nl80211: Fix some coding style issues
a26582c Make qca-vendor.h independent of other header files
4a64d5a nl80211: Allocate QCA vendor subcmd for extended statistics

Change-Id: Ibabee77b2b87f04f99d6b1ca0f1ac741cb9222c0
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/ap/hostapd.c b/src/ap/hostapd.c
index 614a5bf..391d774 100644
--- a/src/ap/hostapd.c
+++ b/src/ap/hostapd.c
@@ -33,6 +33,7 @@
 #include "p2p_hostapd.h"
 #include "gas_serv.h"
 #include "dfs.h"
+#include "ieee802_11.h"
 
 
 static int hostapd_flush_old_stations(struct hostapd_data *hapd, u16 reason);
@@ -1352,6 +1353,12 @@
 	if (iface == NULL)
 		return;
 
+#ifdef CONFIG_IEEE80211N
+#ifdef NEED_AP_MLME
+	hostapd_stop_setup_timers(iface);
+	eloop_cancel_timeout(ap_ht2040_timeout, iface, NULL);
+#endif /* NEED_AP_MLME */
+#endif /* CONFIG_IEEE80211N */
 	eloop_cancel_timeout(channel_list_update_timeout, iface, NULL);
 	iface->wait_channel_update = 0;