graffiti: ensure indexer do not return nil nodes

skydive-project · Sep 26, 2019 · 423357b · 423357b
1 parent cf9752b
commit 423357b
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/graffiti/graph/indexer.go b/graffiti/graph/indexer.go
@@ -62,8 +62,10 @@ type Indexer struct {
 func (i *NodeIndex) FromHash(hash string) (nodes []*Node, values []interface{}) {
  if ids, found := i.hashToValues[hash]; found {
  for id, obj := range ids {
- nodes = append(nodes, i.graph.GetNode(id))
- values = append(values, obj)
+ if node := i.graph.GetNode(id); node != nil {
+ nodes = append(nodes, node)
+ values = append(values, obj)
+ }
  }
  }
  return