From e7ed73f0fece65e4ce767b4ef04af03423690926 Mon Sep 17 00:00:00 2001
From: Guillaume Ballet <3272758+gballet@users.noreply.github.com>
Date: Tue, 24 Oct 2023 13:19:58 +0200
Subject: [PATCH] fix channel init

---
 cmd/utils/cmd.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmd/utils/cmd.go b/cmd/utils/cmd.go
index 2e4004e726..5a377685e5 100644
--- a/cmd/utils/cmd.go
+++ b/cmd/utils/cmd.go
@@ -401,7 +401,7 @@ func ExportSnapshotPreimages(chain *core.BlockChain, fn string, root common.Hash
 		Hash common.Hash
 		Size int
 	}
-	var hashCh chan hashAndPreimageSize
+	hashCh := make(chan hashAndPreimageSize)
 
 	go func() {
 		defer close(hashCh)