Send termination message only in case of wpa_supplicant_deinit() call

Change-Id: I276e339a35a9b693b604082bd211f6bd7b093808
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>

6 files changed, 19 insertions, 30 deletions

diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index 1ad7d80..64ec284 100644
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -3554,7 +3554,7 @@ static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
 	wpa_s = wpa_supplicant_get_iface(global, cmd);
 	if (wpa_s == NULL)
 		return -1;
-	return wpa_supplicant_remove_iface(global, wpa_s);
+	return wpa_supplicant_remove_iface(global, wpa_s, 0);
 }
 
 
diff --git a/wpa_supplicant/dbus/dbus_new_handlers.c b/wpa_supplicant/dbus/dbus_new_handlers.c
index 7c4218b..ee8757a 100644
--- a/wpa_supplicant/dbus/dbus_new_handlers.c
+++ b/wpa_supplicant/dbus/dbus_new_handlers.c
@@ -612,7 +612,7 @@ DBusMessage * wpas_dbus_handler_remove_interface(DBusMessage *message,
 	wpa_s = get_iface_by_dbus_path(global, path);
 	if (wpa_s == NULL)
 		reply = wpas_dbus_error_iface_unknown(message);
-	else if (wpa_supplicant_remove_iface(global, wpa_s)) {
+	else if (wpa_supplicant_remove_iface(global, wpa_s, 0)) {
 		reply = wpas_dbus_error_unknown_error(
 			message, "wpa_supplicant couldn't remove this "
 			"interface.");
diff --git a/wpa_supplicant/dbus/dbus_old_handlers.c b/wpa_supplicant/dbus/dbus_old_handlers.c
index de66140..39fe241 100644
--- a/wpa_supplicant/dbus/dbus_old_handlers.c
+++ b/wpa_supplicant/dbus/dbus_old_handlers.c
@@ -229,7 +229,7 @@ DBusMessage * wpas_dbus_global_remove_interface(DBusMessage *message,
 		goto out;
 	}
 
-	if (!wpa_supplicant_remove_iface(global, wpa_s)) {
+	if (!wpa_supplicant_remove_iface(global, wpa_s, 0)) {
 		reply = wpas_dbus_new_success_reply(message);
 	} else {
 		reply = dbus_message_new_error(message,
diff --git a/wpa_supplicant/p2p_supplicant.c b/wpa_supplicant/p2p_supplicant.c
index 9a9194a..a0995fe 100644
--- a/wpa_supplicant/p2p_supplicant.c
+++ b/wpa_supplicant/p2p_supplicant.c
@@ -282,7 +282,7 @@ static void wpas_p2p_group_delete(struct wpa_supplicant *wpa_s)
 		global = wpa_s->global;
 		ifname = os_strdup(wpa_s->ifname);
 		type = wpas_p2p_if_type(wpa_s->p2p_group_interface);
-		wpa_supplicant_remove_iface(wpa_s->global, wpa_s);
+		wpa_supplicant_remove_iface(wpa_s->global, wpa_s, 0);
 		wpa_s = global->ifaces;
 		if (wpa_s && ifname)
 			wpa_drv_if_remove(wpa_s, type, ifname);
@@ -2604,7 +2604,7 @@ void wpas_p2p_deinit_global(struct wpa_global *global)
 			break;
 		ifname = os_strdup(tmp->ifname);
 		type = wpas_p2p_if_type(tmp->p2p_group_interface);
-		wpa_supplicant_remove_iface(global, tmp);
+		wpa_supplicant_remove_iface(global, tmp, 0);
 		if (ifname)
 			wpa_drv_if_remove(wpa_s, type, ifname);
 		os_free(ifname);
diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
index b97912b..f2ef4cc 100644
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -382,20 +382,11 @@ static void wpa_supplicant_cleanup(struct wpa_supplicant *wpa_s)
 		wpa_s->l2_br = NULL;
 	}
 
-/* This has been moved to wpa_supplicant_deinit_iface to avoid a race with hostapd */
-#ifndef ANDROID
-	if (wpa_s->ctrl_iface) {
-		wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
-		wpa_s->ctrl_iface = NULL;
-	}
 	if (wpa_s->conf != NULL) {
 		struct wpa_ssid *ssid;
 		for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
 			wpas_notify_network_removed(wpa_s, ssid);
-		wpa_config_free(wpa_s->conf);
-		wpa_s->conf = NULL;
 	}
-#endif
 
 	os_free(wpa_s->confname);
 	wpa_s->confname = NULL;
@@ -2299,7 +2290,7 @@ next_driver:
 
 
 static void wpa_supplicant_deinit_iface(struct wpa_supplicant *wpa_s,
-					int notify)
+					int notify, int terminate)
 {
 	if (wpa_s->drv_priv) {
 		wpa_supplicant_deauthenticate(wpa_s,
@@ -2311,20 +2302,20 @@ static void wpa_supplicant_deinit_iface(struct wpa_supplicant *wpa_s,
 
 	wpa_supplicant_cleanup(wpa_s);
 
-	if (notify)
-		wpas_notify_iface_removed(wpa_s);
-
 	if (wpa_s->drv_priv)
 		wpa_drv_deinit(wpa_s);
 
+	if (notify)
+		wpas_notify_iface_removed(wpa_s);
+
 /**
  * The wpa_drv_deinit call after sending TERMINATING to the framework causes
  * race condition with the start of hostapd.
  * This has been moved out of wpa_supplicant_cleanup(). Send the control
  * message and free config after the deinit.
  */
-#ifdef ANDROID
-	wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TERMINATING);
+	if (terminate)
+		wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TERMINATING);
 
 	if (wpa_s->ctrl_iface) {
 		wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
@@ -2332,13 +2323,9 @@ static void wpa_supplicant_deinit_iface(struct wpa_supplicant *wpa_s,
 	}
 
 	if (wpa_s->conf != NULL) {
-		struct wpa_ssid *ssid;
-		for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
-			wpas_notify_network_removed(wpa_s, ssid);
 		wpa_config_free(wpa_s->conf);
 		wpa_s->conf = NULL;
 	}
-#endif
 }
 
 
@@ -2388,14 +2375,14 @@ struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
 	if (wpa_supplicant_init_iface(wpa_s, &t_iface)) {
 		wpa_printf(MSG_DEBUG, "Failed to add interface %s",
 			   iface->ifname);
-		wpa_supplicant_deinit_iface(wpa_s, 0);
+		wpa_supplicant_deinit_iface(wpa_s, 0, 0);
 		os_free(wpa_s);
 		return NULL;
 	}
 
 	/* Notify the control interfaces about new iface */
 	if (wpas_notify_iface_added(wpa_s)) {
-		wpa_supplicant_deinit_iface(wpa_s, 1);
+		wpa_supplicant_deinit_iface(wpa_s, 1, 0);
 		os_free(wpa_s);
 		return NULL;
 	}
@@ -2424,7 +2411,8 @@ struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
  * %wpa_supplicant is terminated.
  */
 int wpa_supplicant_remove_iface(struct wpa_global *global,
-				struct wpa_supplicant *wpa_s)
+				struct wpa_supplicant *wpa_s,
+				int terminate)
 {
 	struct wpa_supplicant *prev;
 
@@ -2444,7 +2432,7 @@ int wpa_supplicant_remove_iface(struct wpa_global *global,
 
 	if (global->p2p_group_formation == wpa_s)
 		global->p2p_group_formation = NULL;
-	wpa_supplicant_deinit_iface(wpa_s, 1);
+	wpa_supplicant_deinit_iface(wpa_s, 1, terminate);
 	os_free(wpa_s);
 
 	return 0;
@@ -2663,7 +2651,7 @@ void wpa_supplicant_deinit(struct wpa_global *global)
 #endif /* CONFIG_P2P */
 
 	while (global->ifaces)
-		wpa_supplicant_remove_iface(global, global->ifaces);
+		wpa_supplicant_remove_iface(global, global->ifaces, 1);
 
 	if (global->ctrl_iface)
 		wpa_supplicant_global_ctrl_iface_deinit(global->ctrl_iface);
diff --git a/wpa_supplicant/wpa_supplicant_i.h b/wpa_supplicant/wpa_supplicant_i.h
index c1a8808..7126db9 100644
--- a/wpa_supplicant/wpa_supplicant_i.h
+++ b/wpa_supplicant/wpa_supplicant_i.h
@@ -614,7 +614,8 @@ void wpa_show_license(void);
 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
 						 struct wpa_interface *iface);
 int wpa_supplicant_remove_iface(struct wpa_global *global,
-				struct wpa_supplicant *wpa_s);
+				struct wpa_supplicant *wpa_s,
+				int terminate);
 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
 						 const char *ifname);
 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);