From f2aaa9bf74459e6f9332006e6ab0d5cd4ec3ce10 Mon Sep 17 00:00:00 2001
From: Jelte Fennema <github-tech@jeltef.nl>
Date: Fri, 14 Sep 2018 17:57:13 +0200
Subject: [PATCH] Check error when calling compressor.Compress (#2274)

Compress can return an error, which was not checked.
---
 rpc_util.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/rpc_util.go b/rpc_util.go
index fa056830..d076af69 100644
--- a/rpc_util.go
+++ b/rpc_util.go
@@ -531,7 +531,10 @@ func compress(in []byte, cp Compressor, compressor encoding.Compressor) ([]byte,
 	}
 	cbuf := &bytes.Buffer{}
 	if compressor != nil {
-		z, _ := compressor.Compress(cbuf)
+		z, err := compressor.Compress(cbuf)
+		if err != nil {
+			return nil, wrapErr(err)
+		}
 		if _, err := z.Write(in); err != nil {
 			return nil, wrapErr(err)
 		}