Change the position of assigning the sg variable

Signed-off-by: zhuanlan <zhuanlan_yewu@cmss.chinamobile.com>

pkg/controller/security_group.go

@@ -415,16 +415,6 @@ func (c *Controller) syncSgLogicalPort(key string) error {
  defer func() { _ = c.sgKeyMutex.UnlockKey(key) }()
  klog.Infof("sync lsp for security group %s", key)
 
- sg, err := c.sgsLister.Get(key)
- if err != nil {
- if k8serrors.IsNotFound(err) {
- klog.Errorf("sg '%s' not found.", key)
- return nil
- }
- klog.Errorf("failed to get sg '%s'. %v", key, err)
- return err
- }
-
  sgPorts, err := c.OVNNbClient.ListLogicalSwitchPorts(false, map[string]string{fmt.Sprintf("associated_sg_%s", key): "true"}, nil)
  if err != nil {
  klog.Errorf("failed to find logical port, %v", err)
@@ -452,6 +442,16 @@ func (c *Controller) syncSgLogicalPort(key string) error {
  }
  }
 
+ sg, err := c.sgsLister.Get(key)
+ if err != nil {
+ if k8serrors.IsNotFound(err) {
+ klog.Errorf("sg '%s' not found.", key)
+ return nil
+ }
+ klog.Errorf("failed to get sg '%s'. %v", key, err)
+ return err
+ }
+
  if err = c.OVNNbClient.PortGroupSetPorts(sg.Status.PortGroup, ports); err != nil {
  klog.Errorf("add ports to port group %s: %v", sg.Status.PortGroup, err)
  return err