Merged revisions 85720 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r85720 | russell | 2007-10-15 16:10:02 -0500 (Mon, 15 Oct 2007) | 3 lines

Ensure that no pending state changes are leaked when the device state change
thread gets stopped on module unload.

........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@85721 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_queue.c

@@ -685,7 +685,7 @@ static struct {
 
 static void *device_state_thread(void *data)
 {
-	struct statechange *sc;
+	struct statechange *sc = NULL;
 
 	while (!device_state.stop) {
 		ast_mutex_lock(&device_state.lock);
@@ -697,7 +697,7 @@ static void *device_state_thread(void *data)
 
 		/* Check to see if we were woken up to see the request to stop */
 		if (device_state.stop)
-			return NULL;
+			break;
 
 		if (!sc)
 			continue;
@@ -705,8 +705,15 @@ static void *device_state_thread(void *data)
 		handle_statechange(sc);
 
 		free(sc);
+		sc = NULL;
 	}
 
+	if (sc)
+		free(sc);
+
+	while ((sc = AST_LIST_REMOVE_HEAD(&device_state.state_change_q, entry)))
+		free(sc);
+
 	return NULL;
 }