From 5d446673a6d4b7be49d0b2921b40894b760e7fe8 Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Wed, 10 Mar 2021 17:13:01 -0800
Subject: [PATCH] fix error printing

---
 weed/server/filer_server_handlers_read.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/weed/server/filer_server_handlers_read.go b/weed/server/filer_server_handlers_read.go
index e210f4bdf..892a732f7 100644
--- a/weed/server/filer_server_handlers_read.go
+++ b/weed/server/filer_server_handlers_read.go
@@ -156,7 +156,9 @@ func (fs *FilerServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request,
 		}
 		if offset+size <= int64(len(entry.Content)) {
 			_, err := writer.Write(entry.Content[offset : offset+size])
-			glog.Errorf("failed to write entry content: %v", err)
+			if err != nil {
+				glog.Errorf("failed to write entry content: %v", err)
+			}
 			return err
 		}
 		return filer.StreamContent(fs.filer.MasterClient, writer, entry.Chunks, offset, size)