From fd035148bbe0a43d5471cfcf2505e35caaad3871 Mon Sep 17 00:00:00 2001
From: ston1th <ston1th@giftfish.de>
Date: Sat, 8 Oct 2022 20:39:31 +0200
Subject: [PATCH] skip add for zero

---
 pkg/fs/preload.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkg/fs/preload.go b/pkg/fs/preload.go
index 7030c41..396cf8b 100644
--- a/pkg/fs/preload.go
+++ b/pkg/fs/preload.go
@@ -84,7 +84,9 @@ func (r *Rate) SetReader(reader io.Reader) {
 
 func (r *Rate) Read(b []byte) (n int, err error) {
 	n, err = r.r.Read(b)
-	atomic.AddInt64(&r.num, int64(n))
+	if n > 0 {
+		atomic.AddInt64(&r.num, int64(n))
+	}
 	return
 }