From 301e1ad98223a01a230cd73fa9b84a06dbbd556e Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Tue, 16 Feb 2021 17:53:44 +0000
Subject: [PATCH] fs: fix crash when --low-level-retries=0 - fixes #5024

---
 fs/fs.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/fs/fs.go b/fs/fs.go
index 0e4e73b58..154e6b6ef 100644
--- a/fs/fs.go
+++ b/fs/fs.go
@@ -1449,11 +1449,16 @@ type logCalculator struct {
 
 // NewPacer creates a Pacer for the given Fs and Calculator.
 func NewPacer(ctx context.Context, c pacer.Calculator) *Pacer {
+	ci := GetConfig(ctx)
+	retries := ci.LowLevelRetries
+	if retries <= 0 {
+		retries = 1
+	}
 	p := &Pacer{
 		Pacer: pacer.New(
 			pacer.InvokerOption(pacerInvoker),
-			pacer.MaxConnectionsOption(GetConfig(ctx).Checkers+GetConfig(ctx).Transfers),
-			pacer.RetriesOption(GetConfig(ctx).LowLevelRetries),
+			pacer.MaxConnectionsOption(ci.Checkers+ci.Transfers),
+			pacer.RetriesOption(retries),
 			pacer.CalculatorOption(c),
 		),
 	}