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qemu: hotplug: Simplify cleanup in qemuDomainChangeMediaLegacy

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Switch to using VIR_AUTOFREE and remove the cleanup label.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2019-09-05 14:47:10 +02:00
parent f709377301
commit 5ef886e9bc
1 changed files with 13 additions and 18 deletions
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31
src/qemu/qemu_hotplug.c
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@ -258,48 +258,48 @@ qemuDomainChangeMediaLegacy(virQEMUDriverPtr driver,
virStorageSourcePtr newsrc,
bool force)
{
int ret = -1, rc;
char *driveAlias = NULL;
int rc;
VIR_AUTOFREE(char *) driveAlias = NULL;
qemuDomainObjPrivatePtr priv = vm->privateData;
qemuDomainDiskPrivatePtr diskPriv = QEMU_DOMAIN_DISK_PRIVATE(disk);
const char *format = NULL;
char *sourcestr = NULL;
VIR_AUTOFREE(char *) sourcestr = NULL;
if (!disk->info.alias) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("missing disk device alias name for %s"), disk->dst);
goto cleanup;
return -1;
}
if (!(driveAlias = qemuAliasDiskDriveFromDisk(disk)))
goto cleanup;
return -1;
qemuDomainObjEnterMonitor(driver, vm);
rc = qemuMonitorEjectMedia(priv->mon, driveAlias, force);
if (qemuDomainObjExitMonitor(driver, vm) < 0)
goto cleanup;
return -1;
/* If the tray is present wait for it to open. */
if (!force && diskPriv->tray) {
rc = qemuHotplugWaitForTrayEject(vm, disk);
if (rc < 0)
goto cleanup;
return -1;
/* re-issue ejection command to pop out the media */
qemuDomainObjEnterMonitor(driver, vm);
rc = qemuMonitorEjectMedia(priv->mon, driveAlias, false);
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
goto cleanup;
return -1;
} else {
/* otherwise report possible errors from the attempt to eject the media*/
if (rc < 0)
goto cleanup;
return -1;
}
if (!virStorageSourceIsEmpty(newsrc)) {
if (qemuGetDriveSourceString(newsrc, NULL, &sourcestr) < 0)
goto cleanup;
return -1;
if (virStorageSourceGetActualType(newsrc) != VIR_STORAGE_TYPE_DIR)
format = virStorageFileFormatTypeToString(newsrc->format);
@ -310,18 +310,13 @@ qemuDomainChangeMediaLegacy(virQEMUDriverPtr driver,
sourcestr,
format);
if (qemuDomainObjExitMonitor(driver, vm) < 0)
goto cleanup;
return -1;
}
if (rc < 0)
goto cleanup;
return -1;
ret = 0;
cleanup:
VIR_FREE(driveAlias);
VIR_FREE(sourcestr);
return ret;
return 0;
}