From: Li Zefan <lizefan@huawei.com>
Date: Fri, 14 Feb 2014 08:55:04 +0000 (+0800)
Subject: cgroup: fix memory leak in cgroup_mount()
X-Git-Tag: next-20140306~19^2~7^2~1
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6534fd6c15858fe4ce4ae568106225e68d5afa81;p=karo-tx-linux.git

cgroup: fix memory leak in cgroup_mount()

We should free the memory allocated in parse_cgroupfs_options() before
calling this function again.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
---

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 5606c0f08d95..3fe01102607b 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1540,6 +1540,8 @@ retry:
 		if (!atomic_inc_not_zero(&root->top_cgroup.refcnt)) {
 			mutex_unlock(&cgroup_mutex);
 			mutex_unlock(&cgroup_tree_mutex);
+			kfree(opts.release_agent);
+			kfree(opts.name);
 			msleep(10);
 			goto retry;
 		}