Commit 6534fd6c authored by Li Zefan's avatar Li Zefan Committed by Tejun Heo
Browse files

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: default avatarLi Zefan <lizefan@huawei.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent bad34660

kernel/cgroup.c

+2 −0
Original line number Diff line number Diff line
@@ -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;

		}