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qemuIsMultiFunctionDevice: return early for non-PCI addresses

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There is no point in iterating over all devices if none of them
could possibly match.
This commit is contained in:
Ján Tomko 2017-10-18 15:33:45 +02:00
parent 67486bb295
commit 8a0d84e25b
1 changed files with 4 additions and 2 deletions
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6
src/qemu/qemu_hotplug.c
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@ -3751,6 +3751,9 @@ static int qemuComparePCIDevice(virDomainDefPtr def ATTRIBUTE_UNUSED,
static bool qemuIsMultiFunctionDevice(virDomainDefPtr def,
virDomainDeviceInfoPtr dev)
{
if (dev->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI)
return false;
if (virDomainDeviceInfoIterate(def, qemuComparePCIDevice, dev) < 0)
return true;
return false;
@ -4852,8 +4855,7 @@ int qemuDomainDetachControllerDevice(virQEMUDriverPtr driver,
goto cleanup;
}
if (detach->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI &&
qemuIsMultiFunctionDevice(vm->def, &detach->info)) {
if (qemuIsMultiFunctionDevice(vm->def, &detach->info)) {
virReportError(VIR_ERR_OPERATION_FAILED,
_("cannot hot unplug multifunction PCI device: %s"),
dev->data.disk->dst);