check if externalIds map is nil when add node as gw for centralized s…

…ubnet (#2088)
kubeovn · Nov 28, 2022 · d76976c · d76976c
1 parent 7d2e8ea
commit d76976c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/pkg/controller/node.go b/pkg/controller/node.go
@@ -1210,6 +1210,9 @@ func (c *Controller) addPolicyRouteForCentralizedSubnetOnNode(nodeName, nodeIP s
 						continue
 					}
 					nextHops = append(nextHops, nextHop)
+					if nameIpMap == nil {
+						nameIpMap = make(map[string]string, 1)
+					}
 					nameIpMap[nodeName] = nextHop
 
 					if err = c.updatePolicyRouteForCentralizedSubnet(subnet.Name, cidrBlock, nextHops, nameIpMap); err != nil {