[libvirt] [PATCH] conf: Don't allow duplicated targets regardless of bus
John Ferlan
jferlan at redhat.com
Tue Jul 7 16:27:04 UTC 2015
ping^2
Tks,
John
On 06/18/2015 04:12 PM, John Ferlan wrote:
> https://bugzilla.redhat.com/show_bug.cgi?id=1142631
>
> Commit id 'e0e290552' added a check to determine if the same bus
> had the same target value. It seems that's not quite good enough
> as the check should check the target name value regardless of bus type.
>
> Also added a DO_TEST_DIFFERENT to exhibit the issue
>
> Signed-off-by: John Ferlan <jferlan at redhat.com>
> ---
> src/conf/domain_conf.c | 3 +-
> .../qemuxml2argv-disk-same-targets.xml | 35 ++++++++++++++++++++++
> tests/qemuxml2argvtest.c | 3 ++
> 3 files changed, 39 insertions(+), 2 deletions(-)
> create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-same-targets.xml
>
> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> index b10f6cd..7855bcb 100644
> --- a/src/conf/domain_conf.c
> +++ b/src/conf/domain_conf.c
> @@ -12590,8 +12590,7 @@ virDomainDiskDefDstDuplicates(virDomainDefPtr def)
>
> for (i = 1; i < def->ndisks; i++) {
> for (j = 0; j < i; j++) {
> - if (def->disks[i]->bus == def->disks[j]->bus &&
> - STREQ(def->disks[i]->dst, def->disks[j]->dst)) {
> + if (STREQ(def->disks[i]->dst, def->disks[j]->dst)) {
> virReportError(VIR_ERR_XML_ERROR,
> _("target '%s' duplicated for disk sources "
> "'%s' and '%s'"),
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-same-targets.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-same-targets.xml
> new file mode 100644
> index 0000000..3276ce5
> --- /dev/null
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-same-targets.xml
> @@ -0,0 +1,35 @@
> +<domain type='qemu'>
> + <name>QEMUGuest1</name>
> + <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
> + <memory unit='KiB'>219136</memory>
> + <currentMemory unit='KiB'>219136</currentMemory>
> + <vcpu placement='static'>1</vcpu>
> + <os>
> + <type arch='i686' machine='pc'>hvm</type>
> + <boot dev='hd'/>
> + </os>
> + <clock offset='utc'/>
> + <on_poweroff>destroy</on_poweroff>
> + <on_reboot>restart</on_reboot>
> + <on_crash>destroy</on_crash>
> + <devices>
> + <emulator>/usr/bin/qemu</emulator>
> + <disk type='block' device='disk'>
> + <source dev='/dev/HostVG/QEMUGuest1'/>
> + <target dev='hda' bus='ide'/>
> + </disk>
> + <disk type='file' device='disk'>
> + <source file='/tmp/usbdisk.img'/>
> + <target dev='sda' bus='usb'/>
> + </disk>
> + <disk type='file' device='disk'>
> + <source file='/tmp/idedisk.img'/>
> + <target dev='sda' bus='ide'/>
> + </disk>
> + <disk type='file' device='disk'>
> + <source file='/tmp/scsidisk.img'/>
> + <target dev='sda' bus='scsi'/>
> + </disk>
> + <memballoon model='virtio'/>
> + </devices>
> +</domain>
> diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
> index be82dd2..b066681 100644
> --- a/tests/qemuxml2argvtest.c
> +++ b/tests/qemuxml2argvtest.c
> @@ -882,6 +882,9 @@ mymain(void)
> QEMU_CAPS_DEVICE);
> DO_TEST("disk-snapshot",
> QEMU_CAPS_DRIVE, QEMU_CAPS_DRIVE_CACHE_V2, QEMU_CAPS_DRIVE_FORMAT);
> + DO_TEST_FAILURE("disk-same-targets",
> + QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE, QEMU_CAPS_SCSI_LSI,
> + QEMU_CAPS_DEVICE_USB_STORAGE, QEMU_CAPS_NODEFCONFIG);
> DO_TEST("event_idx",
> QEMU_CAPS_DRIVE,
> QEMU_CAPS_VIRTIO_BLK_EVENT_IDX,
>
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