From a86d0510d14871cda6c3fadd48a5f173dc835745 Mon Sep 17 00:00:00 2001 From: healthykim Date: Wed, 4 Mar 2026 20:13:29 +0900 Subject: [PATCH] add nil check in defer --- eth/fetcher/tx_fetcher.go | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/eth/fetcher/tx_fetcher.go b/eth/fetcher/tx_fetcher.go index bc422e6abe..5817dfbcf5 100644 --- a/eth/fetcher/tx_fetcher.go +++ b/eth/fetcher/tx_fetcher.go @@ -442,7 +442,9 @@ func (f *TxFetcher) loop() { if f.chain != nil { headEventCh = make(chan core.ChainEvent, 10) sub := f.chain.SubscribeChainEvent(headEventCh) - defer sub.Unsubscribe() + if sub != nil { + defer sub.Unsubscribe() + } } for {