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-rw-r--r--vendor/github.com/hashicorp/go-immutable-radix/iradix.go7
1 files changed, 6 insertions, 1 deletions
diff --git a/vendor/github.com/hashicorp/go-immutable-radix/iradix.go b/vendor/github.com/hashicorp/go-immutable-radix/iradix.go
index c7172c406..e5e6e57f2 100644
--- a/vendor/github.com/hashicorp/go-immutable-radix/iradix.go
+++ b/vendor/github.com/hashicorp/go-immutable-radix/iradix.go
@@ -338,6 +338,11 @@ func (t *Txn) delete(parent, n *Node, search []byte) (*Node, *leafNode) {
if !n.isLeaf() {
return nil, nil
}
+ // Copy the pointer in case we are in a transaction that already
+ // modified this node since the node will be reused. Any changes
+ // made to the node will not affect returning the original leaf
+ // value.
+ oldLeaf := n.leaf
// Remove the leaf node
nc := t.writeNode(n, true)
@@ -347,7 +352,7 @@ func (t *Txn) delete(parent, n *Node, search []byte) (*Node, *leafNode) {
if n != t.root && len(nc.edges) == 1 {
t.mergeChild(nc)
}
- return nc, n.leaf
+ return nc, oldLeaf
}
// Look for an edge