check err first

src/meta/settings.js

@@ -20,14 +20,16 @@ module.exports = function(Meta) {
 	Meta.settings.set = function(hash, values, callback) {
 		var key = 'settings:' + hash;
 		db.setObject(key, values, function(err) {
-			if (!err) {
+			if (err) {
+				return callback(err);
+			}
+
 			plugins.fireHook('action:settings.set', {
 				plugin: hash,
 				settings: values
 			});
-			}
 
-			callback.apply(this, arguments);
+			callback();
 		});
 	};