ONOS-5403: cleaned up code change to match coding style.

Change-Id: If1ba37d8f4b6d3296a057bbf2dfa042ed2051eab
diff --git a/web/gui/src/main/webapp/app/view/topo/topoLink.js b/web/gui/src/main/webapp/app/view/topo/topoLink.js
index 708ff91..a7b5bc7 100644
--- a/web/gui/src/main/webapp/app/view/topo/topoLink.js
+++ b/web/gui/src/main/webapp/app/view/topo/topoLink.js
@@ -117,23 +117,24 @@
             minDist = proximity * 2;
 
             network.links.forEach(function (d) {
+                var line = d.position,
+                    point,
+                    hit,
+                    dist;
+
                 if (!api.showHosts() && d.type() === 'hostLink') {
                     return; // skip hidden host links
                 }
 
-                if(d.position != null)
-                {
-                    var line = d.position,
-                    point = pdrop(line, mouse),
-                    hit = lineHit(line, point, mouse),
-                    dist;
-                }
-
-                if (hit) {
-                    dist = mdist(point, mouse);
-                    if (dist < minDist) {
-                        minDist = dist;
-                        nearest = d;
+                if (line) {
+                    point = pdrop(line, mouse);
+                    hit = lineHit(line, point, mouse);
+                    if (hit) {
+                        dist = mdist(point, mouse);
+                        if (dist < minDist) {
+                            minDist = dist;
+                            nearest = d;
+                        }
                     }
                 }
             });
@@ -225,17 +226,11 @@
 
          tss.deselectAll();
 
-         if(ldata != null)
-         {
-
-            if (!ldata.el.classed('selected')) {
-                selLink(ldata);
-                return;
-            }
-
+         if (ldata) {
             if (ldata.el.classed('selected')) {
                 unselLink(ldata);
-                return;
+            } else {
+                selLink(ldata);
             }
          }
     }
diff --git a/web/gui/src/main/webapp/app/view/topo/topoSelect.js b/web/gui/src/main/webapp/app/view/topo/topoSelect.js
index bdcf244..cfd2fb3 100644
--- a/web/gui/src/main/webapp/app/view/topo/topoSelect.js
+++ b/web/gui/src/main/webapp/app/view/topo/topoSelect.js
@@ -107,18 +107,15 @@
             });
         }
 
-        if (obj !=null)
-        {
-            if (obj.class === 'link') {
-                if (selections[obj.key]) {
-                    deselectObject(obj.key);
-                } else {
-                    selections[obj.key] = { obj: obj, el: el };
-                    selectOrder.push(obj.key);
-                }
-                updateDetail();
-                return;
+        if (obj && obj.class === 'link') {
+            if (selections[obj.key]) {
+                deselectObject(obj.key);
+            } else {
+                selections[obj.key] = { obj: obj, el: el };
+                selectOrder.push(obj.key);
             }
+            updateDetail();
+            return;
         }
 
         if (!n) {