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>
mariux64 · Feb 14, 2014 · 6534fd6 · 6534fd6
1 parent bad3466
commit 6534fd6
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
@@ -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;
 		}