Fixed async function

controllers/courseware.js

@@ -28,15 +28,10 @@ exports.returnNextCourseware = function(req, res, next) {
         }
     });
 
-    // *****CALLBACK
     req.user.save(function(err) {
         if (err) {
             return next(err);
         }
-        else {
-            return;
-        }
-    });
 
         var uncompletedCoursewares = req.user.uncompletedCoursewares;
 
@@ -55,6 +50,9 @@ exports.returnNextCourseware = function(req, res, next) {
             nameString = courseware.name.toLowerCase().replace(/\s/g, '-');
             return res.redirect('../coursewares/' + nameString);
         });
+    });
+
+    
 };
 
 exports.returnIndividualCourseware = function(req, res, next) {