From 592fd56d4984e12567a6232ad6dbb66675303684 Mon Sep 17 00:00:00 2001
From: Rohit Jnagal <jnagal@google.com>
Date: Tue, 29 Apr 2014 18:59:20 +0000
Subject: [PATCH] Cleanup existing controllers when cleanup fails mid-way.

Docker-DCO-1.1-Signed-off-by: Rohit Jnagal <jnagal@google.com> (github: rjnagal)
---
 cgroups/fs/apply_raw.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cgroups/fs/apply_raw.go b/cgroups/fs/apply_raw.go
index 60f318e..5f9fc82 100644
--- a/cgroups/fs/apply_raw.go
+++ b/cgroups/fs/apply_raw.go
@@ -67,6 +67,7 @@ func Apply(c *cgroups.Cgroup, pid int) (cgroups.ActiveCgroup, error) {
 	}
 	for _, sys := range subsystems {
 		if err := sys.Set(d); err != nil {
+			d.Cleanup()
 			return nil, err
 		}
 	}