From bb7c786b093b1277f59b2611a32bee2591b1a9ab Mon Sep 17 00:00:00 2001
From: HackyMiner <hackyminer@gmail.com>
Date: Mon, 4 Feb 2019 20:42:46 +0900
Subject: trie: add missing unlock call in error case (#18985)

---
 trie/database.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/trie/database.go b/trie/database.go
index 739a98add..aba5943f5 100644
--- a/trie/database.go
+++ b/trie/database.go
@@ -679,6 +679,7 @@ func (db *Database) Commit(node common.Hash, report bool) error {
 		}
 		if batch.ValueSize() > ethdb.IdealBatchSize {
 			if err := batch.Write(); err != nil {
+				db.lock.RUnlock()
 				return err
 			}
 			batch.Reset()
-- 
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