From f088575049dba6eb32b341b75e1e92106470bdba Mon Sep 17 00:00:00 2001
From: Ben Johnson <benbjohnson@yahoo.com>
Date: Thu, 21 Aug 2014 22:49:58 -0600
Subject: [PATCH] Fix split root dereference.

This commit fixes a bug that occurs when a root node is split just after a re-mmap occurs.
Previously, this would cause a panic because the new root node would still reference
keys from the old mmap.
---
 bucket.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bucket.go b/bucket.go
index 2b0e340..2630800 100644
--- a/bucket.go
+++ b/bucket.go
@@ -645,7 +645,7 @@ func (b *Bucket) free() {
 // dereference removes all references to the old mmap.
 func (b *Bucket) dereference() {
 	if b.rootNode != nil {
-		b.rootNode.dereference()
+		b.rootNode.root().dereference()
 	}
 
 	for _, child := range b.buckets {