userns: Replace user_ns_map_uid and user_ns_map_gid with from_kuid and from_kgid

These function are no longer needed replace them with their more useful equivalents.

Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index b53cf3469d01..b6a0d46fbad7 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -538,8 +538,7 @@ static void __do_notify(struct mqueue_inode_info *info)
                         rcu_read_lock();
                         sig_i.si_pid = task_tgid_nr_ns(current,
                                                 ns_of_pid(info->notify_owner));
-                        sig_i.si_uid = user_ns_map_uid(info->notify_user_ns,
-                                                current_cred(), current_uid());
+                        sig_i.si_uid = from_kuid_munged(info->notify_user_ns, current_uid());
                         rcu_read_unlock();
 
                         kill_pid_info(info->notify.sigev_signo,