diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 17e9257..82e7cec 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1103,8 +1103,11 @@
 	printk(KERN_DEBUG "Connection to AP %pM lost.\n", bssid);
 
 	ieee80211_set_disassoc(sdata, true);
-	ieee80211_recalc_idle(local);
 	mutex_unlock(&ifmgd->mtx);
+
+	mutex_lock(&local->mtx);
+	ieee80211_recalc_idle(local);
+	mutex_unlock(&local->mtx);
 	/*
 	 * must be outside lock due to cfg80211,
 	 * but that's not a problem.
@@ -1173,7 +1176,9 @@
 			sdata->name, bssid, reason_code);
 
 	ieee80211_set_disassoc(sdata, true);
+	mutex_lock(&sdata->local->mtx);
 	ieee80211_recalc_idle(sdata->local);
+	mutex_unlock(&sdata->local->mtx);
 
 	return RX_MGMT_CFG80211_DEAUTH;
 }
@@ -1203,7 +1208,9 @@
 			sdata->name, mgmt->sa, reason_code);
 
 	ieee80211_set_disassoc(sdata, true);
+	mutex_lock(&sdata->local->mtx);
 	ieee80211_recalc_idle(sdata->local);
+	mutex_unlock(&sdata->local->mtx);
 	return RX_MGMT_CFG80211_DISASSOC;
 }
 
@@ -1840,8 +1847,10 @@
 				" after %dms, disconnecting.\n",
 				bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ);
 			ieee80211_set_disassoc(sdata, true);
-			ieee80211_recalc_idle(local);
 			mutex_unlock(&ifmgd->mtx);
+			mutex_lock(&local->mtx);
+			ieee80211_recalc_idle(local);
+			mutex_unlock(&local->mtx);
 			/*
 			 * must be outside lock due to cfg80211,
 			 * but that's not a problem.
@@ -2319,7 +2328,9 @@
 	if (assoc_bss)
 		sta_info_destroy_addr(sdata, bssid);
 
+	mutex_lock(&sdata->local->mtx);
 	ieee80211_recalc_idle(sdata->local);
+	mutex_unlock(&sdata->local->mtx);
 
 	return 0;
 }
@@ -2357,7 +2368,9 @@
 			cookie, !req->local_state_change);
 	sta_info_destroy_addr(sdata, bssid);
 
+	mutex_lock(&sdata->local->mtx);
 	ieee80211_recalc_idle(sdata->local);
+	mutex_unlock(&sdata->local->mtx);
 
 	return 0;
 }