usb: ohci: make num_ports to an unsinged integer

This can avoid setting OCHIState.num_ports to a negative num.

Signed-off-by: Li Qiang <liq3ea@gmail.com>
Message-id: 1540263618-18344-1-git-send-email-liq3ea@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Li Qiang 2018-10-22 20:00:18 -07:00 committed by Gerd Hoffmann
parent b312532fd0
commit b9a3a4f206

View File

@ -57,7 +57,7 @@ typedef struct {
qemu_irq irq;
MemoryRegion mem;
AddressSpace *as;
int num_ports;
uint32_t num_ports;
const char *name;
QEMUTimer *eof_timer;
@ -1850,7 +1850,7 @@ static USBBusOps ohci_bus_ops = {
};
static void usb_ohci_init(OHCIState *ohci, DeviceState *dev,
int num_ports, dma_addr_t localmem_base,
uint32_t num_ports, dma_addr_t localmem_base,
char *masterbus, uint32_t firstport,
AddressSpace *as, Error **errp)
{
@ -1860,7 +1860,7 @@ static void usb_ohci_init(OHCIState *ohci, DeviceState *dev,
ohci->as = as;
if (num_ports > OHCI_MAX_PORTS) {
error_setg(errp, "OHCI num-ports=%d is too big (limit is %d ports)",
error_setg(errp, "OHCI num-ports=%u is too big (limit is %u ports)",
num_ports, OHCI_MAX_PORTS);
return;
}