diff options
| -rw-r--r-- | kernel/cgroup.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 192d762ec1f..bd4de465d5a 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -848,9 +848,12 @@ static void cgroup_free_fn(struct work_struct *work) */ dput(cgrp->parent->dentry); + ida_simple_remove(&cgrp->root->cgroup_ida, cgrp->id); + /* * Drop the active superblock reference that we took when we - * created the cgroup + * created the cgroup. This will free cgrp->root, if we are + * holding the last reference to @sb. */ deactivate_super(cgrp->root->sb); @@ -862,7 +865,6 @@ static void cgroup_free_fn(struct work_struct *work) simple_xattrs_free(&cgrp->xattrs); - ida_simple_remove(&cgrp->root->cgroup_ida, cgrp->id); kfree(rcu_dereference_raw(cgrp->name)); kfree(cgrp); } |