Commit f7770738 authored Feb 23, 2008 by Li Zefan Committed by Linus Torvalds Feb 23, 2008

cgroup: fix memory leak in cgroup_get_sb()



opts.release_agent is not kfree()ed in all necessary places.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent ffd2d883

kernel/cgroup.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -954,8 +954,11 @@ static int cgroup_get_sb(struct file_system_type *fs_type,
		}

		root = kzalloc(sizeof(*root), GFP_KERNEL);
		if (!root)
		if (!root) {
		if (opts.release_agent)
		kfree(opts.release_agent);
		return -ENOMEM;
		}

		init_cgroup_root(root);
		root->subsys_bits = opts.subsys_bits;