Do the (expensive) LOCAL_USER_ADD only after we are sure

that arguments are valid.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@14785 65c4cc65-6c06-0410-ace0-fbb531ad65f3

funcs/func_enum.c

@@ -141,14 +141,14 @@ static int function_txtcidname(struct ast_channel *chan, char *cmd,
 
 	buf[0] = '\0';
 
-	LOCAL_USER_ADD(u);
 
 	if (ast_strlen_zero(data)) {
 		ast_log(LOG_WARNING, "TXTCIDNAME requires an argument (number)\n");
-		LOCAL_USER_REMOVE(u);
 		return -1;
 	}
 
+	LOCAL_USER_ADD(u);
+
 	res = ast_get_txt(chan, data, dest, sizeof(dest), tech, sizeof(tech), txt,
 			  sizeof(txt));