From 48fdb79de5a3dc02be1c44479247515275b8b76a Mon Sep 17 00:00:00 2001
From: Darioush Jalali <darioush.jalali@avalabs.org>
Date: Thu, 14 Sep 2023 23:09:07 -0700
Subject: [PATCH] core/state: check err for iter.Error in fastDeleteStorage
 (#28122)

core/state: check err for iter.Error
---
 core/state/statedb.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/state/statedb.go b/core/state/statedb.go
index c1b5b0874c..a59de16a70 100644
--- a/core/state/statedb.go
+++ b/core/state/statedb.go
@@ -973,7 +973,7 @@ func (s *StateDB) fastDeleteStorage(addrHash common.Hash, root common.Hash) (boo
 			return true, size, nil, nil, nil
 		}
 		slot := common.CopyBytes(iter.Slot())
-		if iter.Error() != nil { // error might occur after Slot function
+		if err := iter.Error(); err != nil { // error might occur after Slot function
 			return false, 0, nil, nil, err
 		}
 		size += common.StorageSize(common.HashLength + len(slot))
@@ -983,7 +983,7 @@ func (s *StateDB) fastDeleteStorage(addrHash common.Hash, root common.Hash) (boo
 			return false, 0, nil, nil, err
 		}
 	}
-	if iter.Error() != nil { // error might occur during iteration
+	if err := iter.Error(); err != nil { // error might occur during iteration
 		return false, 0, nil, nil, err
 	}
 	if stack.Hash() != root {