From d50e9d24be6ae410af7b5975f453456367a7b28c Mon Sep 17 00:00:00 2001 From: jacksoom 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 550d99893d..1afdc9381a 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