diff options
| -rw-r--r-- | hw/char/virtio-serial-bus.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c index f5bc173844..17a1bb008a 100644 --- a/hw/char/virtio-serial-bus.c +++ b/hw/char/virtio-serial-bus.c @@ -663,7 +663,7 @@ static void virtio_serial_save_device(VirtIODevice *vdev, QEMUFile *f) /* The ports map */ max_nr_ports = s->serial.max_virtserial_ports; - for (i = 0; i < (max_nr_ports + 31) / 32; i++) { + for (i = 0; i < DIV_ROUND_UP(max_nr_ports, 32); i++) { qemu_put_be32s(f, &s->ports_map[i]); } @@ -798,7 +798,7 @@ static int virtio_serial_load_device(VirtIODevice *vdev, QEMUFile *f, qemu_get_be32s(f, &tmp); max_nr_ports = s->serial.max_virtserial_ports; - for (i = 0; i < (max_nr_ports + 31) / 32; i++) { + for (i = 0; i < DIV_ROUND_UP(max_nr_ports, 32); i++) { qemu_get_be32s(f, &ports_map); if (ports_map != s->ports_map[i]) { @@ -863,7 +863,7 @@ static uint32_t find_free_port_id(VirtIOSerial *vser) unsigned int i, max_nr_ports; max_nr_ports = vser->serial.max_virtserial_ports; - for (i = 0; i < (max_nr_ports + 31) / 32; i++) { + for (i = 0; i < DIV_ROUND_UP(max_nr_ports, 32); i++) { uint32_t map, zeroes; map = vser->ports_map[i]; @@ -1075,7 +1075,7 @@ static void virtio_serial_device_realize(DeviceState *dev, Error **errp) vser->ovqs[i] = virtio_add_queue(vdev, 128, handle_output); } - vser->ports_map = g_malloc0(((vser->serial.max_virtserial_ports + 31) / 32) + vser->ports_map = g_malloc0((DIV_ROUND_UP(vser->serial.max_virtserial_ports, 32)) * sizeof(vser->ports_map[0])); /* * Reserve location 0 for a console port for backward compat |