wifi: mac80211: mlme: fix disassoc with MLO

In MLO we shouldn't call ieee80211_bss_info_change_notify(),
call that only (for backward compatibility) without MLO, and
otherwise ieee80211_vif_cfg_change_notify().

Similarly, ieee80211_reset_erp_info() only applies to the
current link, and in MLO we assume the driver doesn't really
need that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/mlme.c

@@ -2878,7 +2878,8 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
 	sta_info_flush(sdata);
 
 	/* finally reset all BSS / config parameters */
-	changed |= ieee80211_reset_erp_info(sdata);
+	if (!sdata->vif.valid_links)
+		changed |= ieee80211_reset_erp_info(sdata);
 
 	ieee80211_led_assoc(local, 0);
 	changed |= BSS_CHANGED_ASSOC;
@@ -2920,10 +2921,11 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
 		changed |= BSS_CHANGED_QOS;
 		/* The BSSID (not really interesting) and HT changed */
 		changed |= BSS_CHANGED_BSSID | BSS_CHANGED_HT;
+		ieee80211_bss_info_change_notify(sdata, changed);
+	} else {
+		ieee80211_vif_cfg_change_notify(sdata, changed);
 	}
 
-	ieee80211_bss_info_change_notify(sdata, changed);
-
 	/* disassociated - set to defaults now */
 	ieee80211_set_wmm_default(&sdata->deflink, false, false);