Commit baef99a0 authored Jan 29, 2009 by KAMEZAWA Hiroyuki Committed by Linus Torvalds Jan 29, 2009

cgroups: use hierarchy mutex in creation failure path



Now, cgrp->sibling is handled under hierarchy mutex.
error route should do so, too.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: 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 9e9e3cbc

kernel/cgroup.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -2434,7 +2434,9 @@ static long cgroup_create(struct cgroup parent, struct dentry dentry,

		err_remove:

		cgroup_lock_hierarchy(root);
		list_del(&cgrp->sibling);
		cgroup_unlock_hierarchy(root);
		root->number_of_cgroups--;

		err_destroy: