diff --git a/mm/memory.c b/mm/memory.c
old mode 100644
new mode 100755
index 9ab6e44..720cebe
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3144,6 +3144,10 @@
 	pte_t entry;
 
 	pte_unmap(page_table);
+	/* File mapping without ->vm_ops ? */
+	if (vma->vm_flags & VM_SHARED)
+		return VM_FAULT_SIGBUS;
+
 
 	/* Check if we need to add a guard page to the stack */
 	if (check_stack_guard_page(vma, address) < 0)
@@ -3463,8 +3467,7 @@
 	if (!pte_present(entry)) {
 		if (pte_none(entry)) {
 			if (vma->vm_ops) {
-				if (likely(vma->vm_ops->fault))
-					return do_linear_fault(mm, vma, address,
+				return do_linear_fault(mm, vma, address,
 						pte, pmd, flags, entry);
 			}
 			return do_anonymous_page(mm, vma, address,