From 4eb83ea2e29759e622c1776ca62ea2313e1ff317 Mon Sep 17 00:00:00 2001
From: Cody Wang <cody.wang@coinbase.com>
Date: Tue, 30 Apr 2024 22:33:47 -0400
Subject: [PATCH] fix

---
 op-node/rollup/derive/channel.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/op-node/rollup/derive/channel.go b/op-node/rollup/derive/channel.go
index 8207f4c60c0a..e19723dfd5a0 100644
--- a/op-node/rollup/derive/channel.go
+++ b/op-node/rollup/derive/channel.go
@@ -175,7 +175,10 @@ func BatchReader(r io.Reader) (func() (*BatchData, error), error) {
 		// If the bits equal to 2, then it is a brotli reader
 	} else if compressionType[0]&0x0F == 2 {
 		// remove the first byte by reading it
-		r.Read(make([]byte, 1))
+		_, err := r.Read(make([]byte, 1))
+		if err != nil {
+			return nil ,err
+		}
 		reader = func(r io.Reader) (io.Reader, error) {
 			return brotli.NewReader(r), nil
 		}