From 4eaff5e14ea4c29bc9d37c63195c234e1b3bb407 Mon Sep 17 00:00:00 2001
From: Andrey Vagin <avagin@openvz.org>
Date: Wed, 14 Jan 2015 19:39:29 +0300
Subject: [PATCH] cgroups: don't change a freezer state if an operation failed

Signed-off-by: Andrey Vagin <avagin@openvz.org>
---
 cgroups/fs/apply_raw.go | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/cgroups/fs/apply_raw.go b/cgroups/fs/apply_raw.go
index 59beb7ed8..1fe5faf3b 100644
--- a/cgroups/fs/apply_raw.go
+++ b/cgroups/fs/apply_raw.go
@@ -143,11 +143,15 @@ func (m *Manager) Freeze(state cgroups.FreezerState) error {
 		return err
 	}
 
+	freezer := subsystems["freezer"]
+	err = freezer.Set(d)
+	if err != nil {
+		return err
+	}
+
 	m.Cgroups.Freezer = state
 
-	freezer := subsystems["freezer"]
-
-	return freezer.Set(d)
+	return nil
 }
 
 func (m *Manager) GetPids() ([]int, error) {