From 473b85cffa27e171efed7c9d1eaaa06fcec274ae Mon Sep 17 00:00:00 2001
From: Tan Jiang <jiangd@vmware.com>
Date: Fri, 14 Jul 2017 18:26:06 +0800
Subject: [PATCH] fix nil pointer issue

---
 src/ui/api/systeminfo.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/ui/api/systeminfo.go b/src/ui/api/systeminfo.go
index eadc7ed87..d1feaf1c2 100644
--- a/src/ui/api/systeminfo.go
+++ b/src/ui/api/systeminfo.go
@@ -51,12 +51,12 @@ type Storage struct {
 
 //namespaces stores all name spaces on Clair, it should be initialised only once.
 type clairNamespaces struct {
-	*sync.RWMutex
+	sync.RWMutex
 	l     []string
 	clair *clair.Client
 }
 
-func (n clairNamespaces) get() ([]string, error) {
+func (n *clairNamespaces) get() ([]string, error) {
 	n.Lock()
 	defer n.Unlock()
 	if len(n.l) == 0 {
@@ -80,7 +80,7 @@ func (n clairNamespaces) get() ([]string, error) {
 }
 
 var (
-	namespaces clairNamespaces
+	namespaces = &clairNamespaces{}
 )
 
 //GeneralInfo wraps common systeminfo for anonymous request