From: Felix Fietkau <nbd@nbd.name>
Date: Mon, 28 Jan 2019 21:36:44 +0100
Subject: [PATCH] wpa_supplicant: fix calling channel switch via wpa_cli on
 mesh interfaces

--- a/wpa_supplicant/ap.c
+++ b/wpa_supplicant/ap.c
@@ -1863,6 +1863,21 @@ int ap_switch_channel(struct wpa_supplic
 
 
 #ifdef CONFIG_CTRL_IFACE
+
+static int __ap_ctrl_iface_chanswitch(struct hostapd_iface *iface,
+				      struct csa_settings *settings)
+{
+#ifdef NEED_AP_MLME
+	if (!iface || !iface->bss[0])
+		return 0;
+
+	return hostapd_switch_channel(iface->bss[0], settings);
+#else
+	return -1;
+#endif
+}
+
+
 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
 {
 	struct csa_settings settings;
@@ -1882,12 +1897,18 @@ int ap_ctrl_iface_chanswitch(struct wpa_
 		return -1;
 
 	ret = hostapd_parse_csa_settings(iface, pos, &settings);
-	if (ret)
-		return ret;
+
+	if (!(wpa_s->ap_iface && wpa_s->ap_iface->bss[0]) &&
+	    !(wpa_s->ifmsh && wpa_s->ifmsh->bss[0]))
+		return -1;
 
 	settings.link_id = -1;
 
-	return ap_switch_channel(wpa_s, &settings);
+	ret = __ap_ctrl_iface_chanswitch(wpa_s->ap_iface, &settings);
+	if (ret)
+		return ret;
+
+	return __ap_ctrl_iface_chanswitch(wpa_s->ifmsh, &settings);
 }
 #endif /* CONFIG_CTRL_IFACE */
 
