459 	RING_IDX cons, prod, size, masked_prod, masked_cons;  in __write_ring()  local
477 	masked_prod = pvcalls_mask(prod, array_size);  in __write_ring()
480 	if (masked_prod < masked_cons) {  in __write_ring()
481 		len = copy_from_iter(data->out + masked_prod, len, msg_iter);  in __write_ring()
483 		if (len > array_size - masked_prod) {  in __write_ring()
484 			int ret = copy_from_iter(data->out + masked_prod,  in __write_ring()
485 				       array_size - masked_prod, msg_iter);  in __write_ring()
486 			if (ret != array_size - masked_prod) {  in __write_ring()
492 			len = copy_from_iter(data->out + masked_prod, len, msg_iter);  in __write_ring()
554 	RING_IDX cons, prod, size, masked_prod, masked_cons;  in __read_ring()  local
567 	masked_prod = pvcalls_mask(prod, array_size);  in __read_ring()
576 	if (masked_prod > masked_cons) {  in __read_ring()