From bf48ed32dd8be6bec2931c9f1eee4fd749affa21 Mon Sep 17 00:00:00 2001
From: Felix Lange <fjl@twurst.com>
Date: Mon, 3 Aug 2015 02:42:45 +0200
Subject: [PATCH] metrics: fix file descriptor leak when reading disk stats on
 linux

The disk stats file was not closed after reading.
---
 metrics/disk_linux.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/metrics/disk_linux.go b/metrics/disk_linux.go
index e0c8a1a3a7..8967d490e8 100644
--- a/metrics/disk_linux.go
+++ b/metrics/disk_linux.go
@@ -34,6 +34,7 @@ func ReadDiskStats(stats *DiskStats) error {
 	if err != nil {
 		return err
 	}
+	defer inf.Close()
 	in := bufio.NewReader(inf)
 
 	// Iterate over the IO counter, and extract what we need