From 2c7dad589dcb7ed513180eb4a743e389f8134a73 Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Fri, 16 Jun 2017 08:27:50 -0700 Subject: [PATCH] stop when dn.parent is nil fix https://github.com/chrislusf/seaweedfs/issues/473 --- weed/topology/topology_event_handling.go | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/weed/topology/topology_event_handling.go b/weed/topology/topology_event_handling.go index e2dcfca06..44ab33114 100644 --- a/weed/topology/topology_event_handling.go +++ b/weed/topology/topology_event_handling.go @@ -56,5 +56,7 @@ func (t *Topology) UnRegisterDataNode(dn *DataNode) { dn.UpAdjustVolumeCountDelta(-dn.GetVolumeCount()) dn.UpAdjustActiveVolumeCountDelta(-dn.GetActiveVolumeCount()) dn.UpAdjustMaxVolumeCountDelta(-dn.GetMaxVolumeCount()) - dn.Parent().UnlinkChildNode(dn.Id()) + if dn.Parent() != nil { + dn.Parent().UnlinkChildNode(dn.Id()) + } }