diff options
Diffstat (limited to 'kernel/cgroup.c')
| -rw-r--r-- | kernel/cgroup.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index d92d91a4bb3e..2c88149da848 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -6058,9 +6058,8 @@ struct cgroup_namespace *copy_cgroup_ns(unsigned long flags, struct user_namespace *user_ns, struct cgroup_namespace *old_ns) { - struct cgroup_namespace *new_ns = NULL; - struct css_set *cset = NULL; - int err; + struct cgroup_namespace *new_ns; + struct css_set *cset; BUG_ON(!old_ns); @@ -6070,9 +6069,8 @@ struct cgroup_namespace *copy_cgroup_ns(unsigned long flags, } /* Allow only sysadmin to create cgroup namespace. */ - err = -EPERM; if (!ns_capable(user_ns, CAP_SYS_ADMIN)) - goto err_out; + return ERR_PTR(-EPERM); mutex_lock(&cgroup_mutex); spin_lock_bh(&css_set_lock); @@ -6085,20 +6083,14 @@ struct cgroup_namespace *copy_cgroup_ns(unsigned long flags, new_ns = alloc_cgroup_ns(); if (IS_ERR(new_ns)) { - err = PTR_ERR(new_ns); - goto err_out; + put_css_set(cset); + return new_ns; } new_ns->user_ns = get_user_ns(user_ns); new_ns->root_cset = cset; return new_ns; - -err_out: - if (cset) - put_css_set(cset); - kfree(new_ns); - return ERR_PTR(err); } static inline struct cgroup_namespace *to_cg_ns(struct ns_common *ns) |