[libvirt] [PATCH v5 16/16] qemu: Use switch statement for address types in qemuBuildControllerDevStr

From: Marc Hartmayer <mhartmay(a)linux.vnet.ibm.com&gt; Use a switch statement instead of if-else-if statements. Move the command line building of the iothread attribute into the common path as the SCSI controller attributes are already validated. Signed-off-by: Marc Hartmayer <mhartmay(a)linux.vnet.ibm.com&gt; Signed-off-by: John Ferlan <jferlan(a)redhat.com&gt; --- src/qemu/qemu_command.c | 45 +++++++++++++++++++++++++-------------------- 1 file changed, 25 insertions(+), 20 deletions(-) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 8c728c654..2523127cc 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -2612,6 +2612,7 @@ qemuBuildControllerDevStr(const virDomainDef *domainDef, { virBuffer buf = VIR_BUFFER_INITIALIZER; int model = def->model; + int address_type = def->info.type; const virDomainPCIControllerOpts *pciopts; const char *modelName = NULL; @@ -2624,23 +2625,25 @@ qemuBuildControllerDevStr(const virDomainDef *domainDef, switch ((virDomainControllerModelSCSI) model) { case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_SCSI: - if (def->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) { + switch ((virDomainDeviceAddressType) address_type) { + case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW: virBufferAddLit(&buf, "virtio-scsi-ccw"); - if (def->iothread) - virBufferAsprintf(&buf, ",iothread=iothread%u", - def->iothread); - } else if (def->info.type == - VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390) { + break; + case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390: virBufferAddLit(&buf, "virtio-scsi-s390"); - } else if (def->info.type == - VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO) { + break; + case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO: virBufferAddLit(&buf, "virtio-scsi-device"); - } else { + break; + default: virBufferAddLit(&buf, "virtio-scsi-pci"); - if (def->iothread) - virBufferAsprintf(&buf, ",iothread=iothread%u", - def->iothread); } + + if (def->iothread) { + virBufferAsprintf(&buf, ",iothread=iothread%u", + def->iothread); + } + if (qemuBuildVirtioOptionsStr(&buf, def->virtio, qemuCaps) < 0) goto error; break; @@ -2668,18 +2671,20 @@ qemuBuildControllerDevStr(const virDomainDef *domainDef, break; case VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL: - if (def->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) { + switch ((virDomainDeviceAddressType) address_type) { + case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI: virBufferAddLit(&buf, "virtio-serial-pci"); - } else if (def->info.type == - VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) { + break; + case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW: virBufferAddLit(&buf, "virtio-serial-ccw"); - } else if (def->info.type == - VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390) { + break; + case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390: virBufferAddLit(&buf, "virtio-serial-s390"); - } else if (def->info.type == - VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO) { + break; + case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO: virBufferAddLit(&buf, "virtio-serial-device"); - } else { + break; + default: virBufferAddLit(&buf, "virtio-serial"); } virBufferAsprintf(&buf, ",id=%s", def->info.alias); -- 2.13.6