From 94cf0b4bdbf20db70edd30d22eef3685954ec599 Mon Sep 17 00:00:00 2001
From: z4yx <z4yx@users.noreply.github.com>
Date: Tue, 13 Aug 2019 23:07:01 +0800
Subject: [PATCH] fix possible null dereferencing, reported by #96

---
 worker/provider.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/worker/provider.go b/worker/provider.go
index 90c9c0e..780c0f1 100644
--- a/worker/provider.go
+++ b/worker/provider.go
@@ -119,10 +119,10 @@ func newMirrorProvider(mirror mirrorConfig, cfg *Config) mirrorProvider {
 			env:         mirror.Env,
 		}
 		p, err := newCmdProvider(pc)
-		p.isMaster = isMaster
 		if err != nil {
 			panic(err)
 		}
+		p.isMaster = isMaster
 		provider = p
 	case provRsync:
 		rc := rsyncConfig{
@@ -141,10 +141,10 @@ func newMirrorProvider(mirror mirrorConfig, cfg *Config) mirrorProvider {
 			retry:       mirror.Retry,
 		}
 		p, err := newRsyncProvider(rc)
-		p.isMaster = isMaster
 		if err != nil {
 			panic(err)
 		}
+		p.isMaster = isMaster
 		provider = p
 	case provTwoStageRsync:
 		rc := twoStageRsyncConfig{
@@ -163,10 +163,10 @@ func newMirrorProvider(mirror mirrorConfig, cfg *Config) mirrorProvider {
 			retry:         mirror.Retry,
 		}
 		p, err := newTwoStageRsyncProvider(rc)
-		p.isMaster = isMaster
 		if err != nil {
 			panic(err)
 		}
+		p.isMaster = isMaster
 		provider = p
 	default:
 		panic(errors.New("Invalid mirror provider"))