Re: [libvirt] [PATCH 2/2] qemu: qemuDomainDiskChangeSupported: Add missing 'address' check

Disk->info is not live updatable so add a check for this. Otherwise libvirt reports success even though no data was updated. Signed-off-by: Marc Hartmayer <mhartmay(a)linux.vnet.ibm.com&gt; Reviewed-by: Bjoern Walk <bwalk(a)linux.vnet.ibm.com&gt; Reviewed-by: Boris Fiuczynski <fiuczy(a)linux.vnet.ibm.com&gt; --- src/qemu/qemu_domain.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c index 4aae14d..5f7cd60 100644 --- a/src/qemu/qemu_domain.c +++ b/src/qemu/qemu_domain.c @@ -5165,6 +5165,19 @@ qemuDomainDiskChangeSupported(virDomainDiskDefPtr disk, /* "snapshot" is a libvirt internal field and thus can be changed */ /* startupPolicy is allowed to be updated. Therefore not checked here. */ CHECK_EQ(transient, "transient", true); + + /* Note: For some address types the address auto generation for + * @disk has still not happened at this point (e.g. driver + * specific addresses) therefore we can't catch these possible + * address modifications here. */ + if (disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE && + !virDomainDeviceInfoAddressIsEqual(&disk->info, &orig_disk->info)) { + virReportError(VIR_ERR_OPERATION_UNSUPPORTED, + _("cannot modify field '%s' of the disk"), + "address"); + return false; + } + CHECK_EQ(info.bootIndex, "boot order", true); CHECK_EQ(rawio, "rawio", true); CHECK_EQ(sgio, "sgio", true);