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cgroup: fix memory leak in cgroup_mount()

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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>
This commit is contained in:
Li Zefan 2014-02-14 16:55:04 +08:00 committed by Tejun Heo
parent bad3466034
commit 6534fd6c15
1 changed files with 2 additions and 0 deletions
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2
kernel/cgroup.c
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@ -1540,6 +1540,8 @@ static struct dentry *cgroup_mount(struct file_system_type *fs_type,
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;
}