Remove g-variant_get duplicated and so on the dbus signal

 [Problem] During C# TCT, IPC signal make crash by abnormal memory access.

Change-Id: I4f183aed57c661d2988ffe0d8ac15c73bd4846fb
Signed-off-by: Jiyong Min <jiyong.min@samsung.com>

1 files changed, 13 insertions, 10 deletions

diff --git a/src/media_controller_ipc.c b/src/media_controller_ipc.c
index e34bb29..bc621eb 100755
--- a/src/media_controller_ipc.c
+++ b/src/media_controller_ipc.c
@@ -48,20 +48,23 @@ static void __mc_ipc_signal_cb(GDBusConnection *connection,
 {
 	char *key = __make_key_for_map(interface_name, signal_name);
 	GList *listener_list = (GList *)user_data;
+	mc_ipc_listener_s *listener = NULL;
 	unsigned int i = 0;
 
-	mc_debug("__mc_ipc_signal_cb Received : ");
+	mc_debug("__mc_ipc_signal_cb Received :");
 
-	for (i = 0; i < g_list_length(listener_list); i++) {
-		mc_ipc_listener_s *listener = (mc_ipc_listener_s *)g_list_nth_data(listener_list, i);
+	gchar *message = NULL;
+	int internal_flags = 0;
+	g_variant_get(parameters, "(i&s)", &internal_flags, &message);
+	if (!message) {
+		mc_error("g_variant_get() fail");
+		return;
+	}
+
+	unsigned int listener_cnt = g_list_length(listener_list);
+	for (i = 0; i < listener_cnt; i++) {
+		listener = (mc_ipc_listener_s *)g_list_nth_data(listener_list, i);
 		if (listener && !strcmp(listener->key, key)) {
-			gchar *message = NULL;
-			int internal_flags = 0;
-			g_variant_get(parameters, "(i&s)", &internal_flags, &message);
-			if (!message) {
-				mc_error("g_variant_get() fail");
-				break;
-			}
 			mc_debug("Received : [%s] (flags = %x) from %s.%s", message, internal_flags, listener->interface_name, listener->signal_name);
 			listener->callback(listener->interface_name, listener->signal_name, message, 0, listener->user_data);
 		}