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@@ -537,7 +537,6 @@ func NewShared() *Ethash {
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// Close closes the exit channel to notify all backend threads exiting.
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func (ethash *Ethash) Close() error {
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- var err error
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ethash.closeOnce.Do(func() {
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// Short circuit if the exit channel is not allocated.
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if ethash.remote == nil {
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@@ -546,7 +545,7 @@ func (ethash *Ethash) Close() error {
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close(ethash.remote.requestExit)
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<-ethash.remote.exitCh
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})
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- return err
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+ return nil
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}
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// cache tries to retrieve a verification cache for the specified block number
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jacksoom