conf: don't crash on a tpm device with no backends

Print an error instead of crashing when a TPM device without
a backend is specified.

Add a test for tpm device with no backend, which should fail
with a parse error.

https://bugzilla.redhat.com/show_bug.cgi?id=961252
This commit is contained in:
Ján Tomko 2013-05-09 12:33:11 +02:00
parent 470d5c4654
commit 1d96440a06
3 changed files with 35 additions and 0 deletions

View File

@ -6988,6 +6988,12 @@ virDomainTPMDefParseXML(const xmlNodePtr node,
goto error;
}
if (nbackends == 0) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("missing TPM device backend"));
goto error;
}
if (!(backend = virXMLPropString(backends[0], "type"))) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("missing TPM device backend type"));

View File

@ -0,0 +1,27 @@
<domain type='qemu'>
<name>TPM-VM</name>
<uuid>11d7cd22-da89-3094-6212-079a48a309a1</uuid>
<memory unit='KiB'>2097152</memory>
<currentMemory unit='KiB'>512288</currentMemory>
<vcpu placement='static'>1</vcpu>
<os>
<type arch='x86_64' machine='pc-0.12'>hvm</type>
<boot dev='hd'/>
<bootmenu enable='yes'/>
</os>
<features>
<acpi/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/bin/qemu</emulator>
<controller type='usb' index='0'/>
<controller type='pci' index='0' model='pci-root'/>
<tpm model='tpm-tis'>
</tpm>
<memballoon model='virtio'/>
</devices>
</domain>

View File

@ -970,6 +970,8 @@ mymain(void)
DO_TEST("tpm-passthrough", QEMU_CAPS_DEVICE,
QEMU_CAPS_DEVICE_TPM_PASSTHROUGH, QEMU_CAPS_DEVICE_TPM_TIS);
DO_TEST_PARSE_ERROR("tpm-no-backend-invalid", QEMU_CAPS_DEVICE,
QEMU_CAPS_DEVICE_TPM_PASSTHROUGH, QEMU_CAPS_DEVICE_TPM_TIS);
DO_TEST("pci-autoadd-addr", QEMU_CAPS_DEVICE, QEMU_CAPS_DEVICE_PCI_BRIDGE);
DO_TEST("pci-autoadd-idx", QEMU_CAPS_DEVICE, QEMU_CAPS_DEVICE_PCI_BRIDGE);