Updates cgroup_clone() to use lookup_one_len() rather than
cgroup_get_dentry(). Originally part of
task-cgroupsv11-basic-task-cgroup-framework-cgroups-fix-refcount-bug
but split out by akpm for the -mm tree.

Signed-off-by: Paul Menage <menage@google.com>

---
 kernel/cgroup.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6.23-rc4-mm1-new/kernel/cgroup.c
===================================================================
--- linux-2.6.23-rc4-mm1-new.orig/kernel/cgroup.c
+++ linux-2.6.23-rc4-mm1-new/kernel/cgroup.c
@@ -2577,7 +2577,7 @@ int cgroup_clone(struct task_struct *tsk
 	/* Hold the parent directory mutex across this operation to
 	 * stop anyone else deleting the new cgroup */
 	mutex_lock(&inode->i_mutex);
-	dentry = cgroup_get_dentry(parent->dentry, nodename);
+	dentry = lookup_one_len(nodename, parent->dentry, strlen(nodename));
 	if (IS_ERR(dentry)) {
 		printk(KERN_INFO
 		       "Couldn't allocate dentry for %s: %ld\n", nodename,

--
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