3.13-stable review patch. If anyone has any objections, please let me know.
------------------ From: Tejun Heo <t...@kernel.org> commit b58c89986a77a23658682a100eb15d8edb571ebb upstream. cgroup_create() was returning 0 after allocation failures. Fix it. Signed-off-by: Tejun Heo <t...@kernel.org> Acked-by: Li Zefan <lize...@huawei.com> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- kernel/cgroup.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -4348,7 +4348,7 @@ static long cgroup_create(struct cgroup struct cgroup *cgrp; struct cgroup_name *name; struct cgroupfs_root *root = parent->root; - int err = 0; + int err; struct cgroup_subsys *ss; struct super_block *sb = root->sb; @@ -4358,8 +4358,10 @@ static long cgroup_create(struct cgroup return -ENOMEM; name = cgroup_alloc_name(dentry); - if (!name) + if (!name) { + err = -ENOMEM; goto err_free_cgrp; + } rcu_assign_pointer(cgrp->name, name); /* @@ -4367,8 +4369,10 @@ static long cgroup_create(struct cgroup * a half-baked cgroup. */ cgrp->id = idr_alloc(&root->cgroup_idr, NULL, 1, 0, GFP_KERNEL); - if (cgrp->id < 0) + if (cgrp->id < 0) { + err = -ENOMEM; goto err_free_name; + } /* * Only live parents can have children. Note that the liveliness -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/