From dc87454487e2c1e7b7d924ebb048cc2a9b2d3877 Mon Sep 17 00:00:00 2001
From: Xiang Li <xiangli.cs@gmail.com>
Date: Wed, 10 Jun 2015 15:59:24 -0700
Subject: [PATCH] fileutil: return on error and send it to error chan

---
 pkg/fileutil/purge.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkg/fileutil/purge.go b/pkg/fileutil/purge.go
index 9b2c2984e..375aa9719 100644
--- a/pkg/fileutil/purge.go
+++ b/pkg/fileutil/purge.go
@@ -57,10 +57,14 @@ func PurgeFile(dirname string, suffix string, max uint, interval time.Duration,
 				err = l.Unlock()
 				if err != nil {
 					plog.Errorf("error unlocking %s when purging file (%v)", l.Name(), err)
+					errC <- err
+					return
 				}
 				err = l.Destroy()
 				if err != nil {
 					plog.Errorf("error destroying lock %s when purging file (%v)", l.Name(), err)
+					errC <- err
+					return
 				}
 				plog.Infof("purged file %s successfully", f)
 				newfnames = newfnames[1:]