qemuCheckDiskConfigAgainstDomain: Validate disk's SCSI address iff disk is SCSI

Check the disk SCSI address only when the disk actually is of
SCSI type.
Signed-off-by: NXu Yandong <xuyandong2@huawei.com>
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>
Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>

src/qemu/qemu_driver.c

@@ -8314,7 +8314,8 @@ static int
 qemuCheckDiskConfigAgainstDomain(const virDomainDef *def,
                                  const virDomainDiskDef *disk)
 {
-    if (virDomainSCSIDriveAddressIsUsed(def, &disk->info.addr.drive)) {
+    if (disk->bus == VIR_DOMAIN_DISK_BUS_SCSI &&
+        virDomainSCSIDriveAddressIsUsed(def, &disk->info.addr.drive)) {
         virReportError(VIR_ERR_OPERATION_INVALID, "%s",
                        _("Domain already contains a disk with that address"));
         return -1;