1517 	struct hv_ring_buffer_info *rbi = &channel->outbound;  in out_mask_show()  local
1520 	mutex_lock(&rbi->ring_buffer_mutex);  in out_mask_show()
1521 	if (!rbi->ring_buffer) {  in out_mask_show()
1522 		mutex_unlock(&rbi->ring_buffer_mutex);  in out_mask_show()
1526 	ret = sprintf(buf, "%u\n", rbi->ring_buffer->interrupt_mask);  in out_mask_show()
1527 	mutex_unlock(&rbi->ring_buffer_mutex);  in out_mask_show()
1534 	struct hv_ring_buffer_info *rbi = &channel->inbound;  in in_mask_show()  local
1537 	mutex_lock(&rbi->ring_buffer_mutex);  in in_mask_show()
1538 	if (!rbi->ring_buffer) {  in in_mask_show()
1539 		mutex_unlock(&rbi->ring_buffer_mutex);  in in_mask_show()
1543 	ret = sprintf(buf, "%u\n", rbi->ring_buffer->interrupt_mask);  in in_mask_show()
1544 	mutex_unlock(&rbi->ring_buffer_mutex);  in in_mask_show()
1551 	struct hv_ring_buffer_info *rbi = &channel->inbound;  in read_avail_show()  local
1554 	mutex_lock(&rbi->ring_buffer_mutex);  in read_avail_show()
1555 	if (!rbi->ring_buffer) {  in read_avail_show()
1556 		mutex_unlock(&rbi->ring_buffer_mutex);  in read_avail_show()
1560 	ret = sprintf(buf, "%u\n", hv_get_bytes_to_read(rbi));  in read_avail_show()
1561 	mutex_unlock(&rbi->ring_buffer_mutex);  in read_avail_show()
1568 	struct hv_ring_buffer_info *rbi = &channel->outbound;  in write_avail_show()  local
1571 	mutex_lock(&rbi->ring_buffer_mutex);  in write_avail_show()
1572 	if (!rbi->ring_buffer) {  in write_avail_show()
1573 		mutex_unlock(&rbi->ring_buffer_mutex);  in write_avail_show()
1577 	ret = sprintf(buf, "%u\n", hv_get_bytes_to_write(rbi));  in write_avail_show()
1578 	mutex_unlock(&rbi->ring_buffer_mutex);  in write_avail_show()