From 19340a382dd2329c05600ed784b1130a5b952181 Mon Sep 17 00:00:00 2001
From: ranbo chen <ranbochen@qq.com>
Date: Tue, 31 Oct 2017 21:08:56 +0800
Subject: [PATCH] clean up codes

---
 wal.go      | 5 +----
 wal_test.go | 2 +-
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/wal.go b/wal.go
index 925fa384a..ec3799857 100644
--- a/wal.go
+++ b/wal.go
@@ -714,10 +714,7 @@ func (w *SegmentWAL) Close() error {
 		return errors.Wrapf(hf.Close(), "closing WAL head %s", hf.Name())
 	}
 
-	if w.dirFile != nil {
-		w.dirFile.Close()
-	}
-	return nil
+	return w.dirFile.Close()
 }
 
 const (
diff --git a/wal_test.go b/wal_test.go
index b01ee2405..2e402d19f 100644
--- a/wal_test.go
+++ b/wal_test.go
@@ -273,7 +273,7 @@ func TestWALRestoreCorrupted_invalidSegment(t *testing.T) {
 	Ok(t, err)
 	f2, err := wal.createSegmentFile(dir + "/000002")
 	Ok(t, err)
-	Ok(t, f2.Close()) // close for windows!
+	Ok(t, f2.Close())
 
 	// Make header of second segment invalid.
 	_, err = f.WriteAt([]byte{1, 2, 3, 4}, 0)