Bug fix: Use p.Name instead of pod.Name

For example, if you used pod.GenerateName, pod.Name might be the empty
string while p.Name contains the actual name of your pod. Thus passing
pod.Name can result in a `resource name may not be empty` error.

test/e2e/framework/pods.go

@@ -56,7 +56,7 @@ func (c *PodClient) CreateSync(pod *api.Pod) *api.Pod {
 	p := c.Create(pod)
 	ExpectNoError(c.f.WaitForPodRunning(p.Name))
 	// Get the newest pod after it becomes running, some status may change after pod created, such as pod ip.
-	p, err := c.Get(pod.Name)
+	p, err := c.Get(p.Name)
 	ExpectNoError(err)
 	return p
 }