Merged revisions 135479 via svnmerge from

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

........
r135479 | tilghman | 2008-08-04 11:56:19 -0500 (Mon, 04 Aug 2008) | 6 lines

Memory leak on unload
(closes issue #13231)
 Reported by: eliel
 Patches: 
       app_voicemail.leak.patch uploaded by eliel (license 64)

........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@135480 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_voicemail.c

@@ -9557,10 +9557,31 @@ static int manager_list_voicemail_users(struct mansession *s, const struct messa
 	return RESULT_SUCCESS;
 }
 
-static int load_config(int reload)
+/*! \brief Free the users structure. */
+static void free_vm_users(void) 
 {
 	struct ast_vm_user *cur;
+	AST_LIST_LOCK(&users);
+	while ((cur = AST_LIST_REMOVE_HEAD(&users, list))) {
+		ast_set_flag(cur, VM_ALLOCED);
+		free_user(cur);
+	}
+	AST_LIST_UNLOCK(&users);
+}
+
+/*! \brief Free the zones structure. */
+static void free_vm_zones(void)
+{
 	struct vm_zone *zcur;
+	AST_LIST_LOCK(&zones);
+	while ((zcur = AST_LIST_REMOVE_HEAD(&zones, list)))
+		free_zone(zcur);
+	AST_LIST_UNLOCK(&zones);
+}
+
+static int load_config(int reload)
+{
+	struct ast_vm_user *cur;
 	struct ast_config *cfg, *ucfg;
 	char *cat;
 	struct ast_variable *var;
@@ -9591,17 +9612,14 @@ static int load_config(int reload)
 	strcpy(listen_control_pause_key,DEFAULT_LISTEN_CONTROL_PAUSE_KEY);
 	strcpy(listen_control_restart_key,DEFAULT_LISTEN_CONTROL_RESTART_KEY);
 	strcpy(listen_control_stop_key,DEFAULT_LISTEN_CONTROL_STOP_KEY);
-	
-	AST_LIST_LOCK(&users);
-	while ((cur = AST_LIST_REMOVE_HEAD(&users, list))) {
-		ast_set_flag(cur, VM_ALLOCED);
-		free_user(cur);
-	}
 
-	AST_LIST_LOCK(&zones);
-	while ((zcur = AST_LIST_REMOVE_HEAD(&zones, list))) 
-		free_zone(zcur);
-	AST_LIST_UNLOCK(&zones);
+	/* Free all the users structure */	
+	free_vm_users();
+
+	/* Free all the zones structure */
+	free_vm_zones();
+
+	AST_LIST_LOCK(&users);	
 
 	memset(ext_pass_cmd, 0, sizeof(ext_pass_cmd));
 	memset(ext_pass_check_cmd, 0, sizeof(ext_pass_check_cmd));
@@ -10263,6 +10281,9 @@ static int unload_module(void)
 	mwi_subscription_tps = ast_taskprocessor_unreference(mwi_subscription_tps);
 	ast_unload_realtime("voicemail");
 	ast_unload_realtime("voicemail_data");
+
+	free_vm_users();
+	free_vm_zones();
 	return res;
 }