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qemu: alias: Generate 'qomName' of disk with useraliases

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Commit fb64e176f4 forgot to delete the check that short-circuits the
disk alias creation if the alias is already present. The side effect
of this is that the creation qomName which is necessary to be able to
refer to disk frontends when -blockdev is used was skipped when user
aliases are used.

Fix it by deleting the check. Also prevent any potential memory leaks
from calling this function repeatedly by creating the qomName only when
it's not present.

https://bugzilla.redhat.com/show_bug.cgi?id=1741838

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2019-08-16 17:01:10 +02:00
parent c10f09786d
commit b8222be583
1 changed files with 2 additions and 4 deletions
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6
src/qemu/qemu_alias.c
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@ -182,9 +182,6 @@ qemuAssignDeviceDiskAlias(virDomainDefPtr def,
const char *prefix = virDomainDiskBusTypeToString(disk->bus);
int controllerModel = -1;
if (disk->info.alias)
return 0;
if (!disk->info.alias) {
if (disk->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) {
if (disk->bus == VIR_DOMAIN_DISK_BUS_SCSI) {
@ -220,7 +217,8 @@ qemuAssignDeviceDiskAlias(virDomainDefPtr def,
* on the alias in qemu. While certain disk types use just the alias, some
* need the full path into /machine/peripheral as a historical artifact.
*/
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BLOCKDEV)) {
if (!diskPriv->qomName &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_BLOCKDEV)) {
switch ((virDomainDiskBus) disk->bus) {
case VIR_DOMAIN_DISK_BUS_FDC:
case VIR_DOMAIN_DISK_BUS_IDE: