627 	if (likely(vmap->vm_ops != NULL && offset < vmap->vm_len)) {  in linux_cdev_pager_fault()
675 	if (unlikely(vmap->vm_ops == NULL)) {  in linux_cdev_pager_populate()
691 		err = vmap->vm_ops->fault(vmap, &vmf);  in linux_cdev_pager_populate()
695 			err = vmap->vm_ops->fault(vmap, &vmf);  in linux_cdev_pager_populate()
779 	const struct vm_operations_struct *vm_ops;  in linux_cdev_pager_dtor()  local
792 	vm_ops = vmap->vm_ops;  in linux_cdev_pager_dtor()
793 	if (likely(vm_ops != NULL))  in linux_cdev_pager_dtor()
794 		vm_ops->close(vmap);  in linux_cdev_pager_dtor()
1407 	vmap->vm_ops = NULL;  in linux_file_mmap_single()
1426 	if (vmap->vm_ops != NULL) {  in linux_file_mmap_single()
1431 		if (vmap->vm_ops->open == NULL ||  in linux_file_mmap_single()
1432 		    vmap->vm_ops->close == NULL ||  in linux_file_mmap_single()
1449 			if (ptr->vm_ops == NULL ||  in linux_file_mmap_single()
1450 			    ptr->vm_ops->open == NULL ||  in linux_file_mmap_single()
1451 			    ptr->vm_ops->close == NULL) {  in linux_file_mmap_single()
1456 				vm_no_fault = (ptr->vm_ops->fault == NULL);  in linux_file_mmap_single()
1462 			vm_no_fault = (vmap->vm_ops->fault == NULL);  in linux_file_mmap_single()