Fix misspell errors

pkg/ingress/annotations/redirect/redirect.go

@@ -49,7 +49,7 @@ func NewParser() parser.IngressAnnotation {
 
 // Parse parses the annotations contained in the ingress
 // rule used to create a redirect in the paths defined in the rule.
-// If the Ingress containes both annotations the execution order is
+// If the Ingress contains both annotations the execution order is
 // temporal and then permanent
 func (a redirect) Parse(ing *extensions.Ingress) (interface{}, error) {
 	r3w, _ := parser.GetBoolAnnotation(www, ing)

pkg/ingress/controller/nginx.go

@@ -643,7 +643,7 @@ func (n *NGINXController) OnUpdate(ingressCfg ingress.Configuration) error {
 			// Do not use defer to remove the temporal file.
 			// This is helpful when there is an error in the
 			// temporal configuration (we can manually inspect the file).
-			// Only remove the file when no error occured.
+			// Only remove the file when no error occurred.
 			os.Remove(tmpfile.Name())
 		}
 	}

pkg/ingress/controller/process/nginx.go

@@ -54,6 +54,11 @@ func WaitUntilPortIsAvailable(port int) {
 		conn.Close()
 		// kill nginx worker processes
 		fs, err := proc.NewFS("/proc")
+		if err != nil {
+			glog.Errorf("unexpected error reading /proc information: %v", err)
+			continue
+		}
+
 		procs, _ := fs.FS.AllProcs()
 		for _, p := range procs {
 			pn, err := p.Comm()

pkg/net/net_test.go

@@ -44,7 +44,7 @@ func TestIsIPV6(t *testing.T) {
 
 func TestIsPortAvailable(t *testing.T) {
 	if !IsPortAvailable(0) {
-		t.Fatal("expected port 0 to be avilable (random port) but returned false")
+		t.Fatal("expected port 0 to be available (random port) but returned false")
 	}
 
 	ln, err := net.Listen("tcp", ":0")