488 	if (likely(vmap->vm_ops != NULL && offset < vmap->vm_len)) {  in linux_cdev_pager_fault()
541 	if (unlikely(vmap->vm_ops == NULL)) {  in linux_cdev_pager_populate()
557 		err = vmap->vm_ops->fault(vmap, &vmf);  in linux_cdev_pager_populate()
561 			err = vmap->vm_ops->fault(vmap, &vmf);  in linux_cdev_pager_populate()
645 	const struct vm_operations_struct *vm_ops;  in linux_cdev_pager_dtor()  local
658 	vm_ops = vmap->vm_ops;  in linux_cdev_pager_dtor()
659 	if (likely(vm_ops != NULL))  in linux_cdev_pager_dtor()
660 		vm_ops->close(vmap);  in linux_cdev_pager_dtor()
1263 	vmap->vm_ops = NULL;  in linux_file_mmap_single()
1282 	if (vmap->vm_ops != NULL) {  in linux_file_mmap_single()
1287 		if (vmap->vm_ops->open == NULL ||  in linux_file_mmap_single()
1288 		    vmap->vm_ops->close == NULL ||  in linux_file_mmap_single()
1305 			if (ptr->vm_ops == NULL ||  in linux_file_mmap_single()
1306 			    ptr->vm_ops->open == NULL ||  in linux_file_mmap_single()
1307 			    ptr->vm_ops->close == NULL) {  in linux_file_mmap_single()
1312 				vm_no_fault = (ptr->vm_ops->fault == NULL);  in linux_file_mmap_single()
1318 			vm_no_fault = (vmap->vm_ops->fault == NULL);  in linux_file_mmap_single()