diff --git a/kernel/fork.c b/kernel/fork.c
index a31b823..e05cff2 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1660,8 +1660,10 @@
 		 int, tls_val)
 #endif
 {
-	return do_fork(clone_flags, newsp, 0,
-		parent_tidptr, child_tidptr);
+	long ret = do_fork(clone_flags, newsp, 0, parent_tidptr, child_tidptr);
+	asmlinkage_protect(5, ret, clone_flags, newsp,
+			parent_tidptr, child_tidptr, tls_val);
+	return ret;
 }
 #endif