From d50e9d24be6ae410af7b5975f453456367a7b28c Mon Sep 17 00:00:00 2001
From: jacksoom <lifengliu1994@gmail.com>
Date: Fri, 19 Mar 2021 19:04:15 +0800
Subject: [PATCH] consensus/ethash: remove unnecessary variable definition
(#22512)
---
consensus/ethash/ethash.go | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/consensus/ethash/ethash.go b/consensus/ethash/ethash.go
index 550d99893..1afdc9381 100644
--- a/consensus/ethash/ethash.go
+++ b/consensus/ethash/ethash.go
@@ -537,7 +537,6 @@ func NewShared() *Ethash {
// Close closes the exit channel to notify all backend threads exiting.
func (ethash *Ethash) Close() error {
- var err error
ethash.closeOnce.Do(func() {
// Short circuit if the exit channel is not allocated.
if ethash.remote == nil {
@@ -546,7 +545,7 @@ func (ethash *Ethash) Close() error {
close(ethash.remote.requestExit)
<-ethash.remote.exitCh
})
- return err
+ return nil
}
// cache tries to retrieve a verification cache for the specified block number
--
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