userns: On ia64 deal with current_uid and current_gid being kuid and kgid

These ia64 uses of current_uid and current_gid slipped through the
cracks when I was converting everything to kuids and kgids convert
them now.

Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index a199be1..37dd795 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -220,7 +220,7 @@
 	si.si_errno = 0;
 	si.si_code = SI_KERNEL;
 	si.si_pid = task_pid_vnr(current);
-	si.si_uid = current_uid();
+	si.si_uid = from_kuid_munged(current_user_ns(), current_uid());
 	si.si_addr = sc;
 	force_sig_info(SIGSEGV, &si, current);
 	return retval;
@@ -317,7 +317,7 @@
 	si.si_errno = 0;
 	si.si_code = SI_KERNEL;
 	si.si_pid = task_pid_vnr(current);
-	si.si_uid = current_uid();
+	si.si_uid = from_kuid_munged(current_user_ns(), current_uid());
 	si.si_addr = addr;
 	force_sig_info(SIGSEGV, &si, current);
 	return 0;