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qemu: Use the hostdev alias in qemuDomainAttachHostSCSIDevice error path

Browse Source 
https://bugzilla.redhat.com/show_bug.cgi?id=1289391

Rather than pass the whole drive string (which contained the alias),
pass only the alias for the qemuMonitorDriveDel call in the error
path when adding a host device in the monitor fails.
This commit is contained in:
John Ferlan 2016-07-18 13:24:27 -04:00
parent 8527a25b32
commit 1149fe4c15
1 changed files with 6 additions and 1 deletions
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7
src/qemu/qemu_hotplug.c
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@ -2045,6 +2045,7 @@ qemuDomainAttachHostSCSIDevice(virConnectPtr conn,
virErrorPtr orig_err;
char *devstr = NULL;
char *drvstr = NULL;
char *drivealias = NULL;
bool teardowncgroup = false;
bool teardownlabel = false;
bool driveAdded = false;
@ -2103,6 +2104,9 @@ qemuDomainAttachHostSCSIDevice(virConnectPtr conn,
if (!(drvstr = qemuBuildSCSIHostdevDrvStr(hostdev)))
goto cleanup;
if (!(drivealias = qemuAliasFromHostdev(hostdev)))
goto cleanup;
if (!(devstr = qemuBuildSCSIHostdevDevStr(vm->def, hostdev, priv->qemuCaps)))
goto cleanup;
@ -2138,13 +2142,14 @@ qemuDomainAttachHostSCSIDevice(virConnectPtr conn,
vm->def, hostdev, NULL) < 0)
VIR_WARN("Unable to restore host device labelling on hotplug fail");
}
VIR_FREE(drivealias);
VIR_FREE(drvstr);
VIR_FREE(devstr);
return ret;
exit_monitor:
orig_err = virSaveLastError();
if (driveAdded && qemuMonitorDriveDel(priv->mon, drvstr) < 0) {
if (driveAdded && qemuMonitorDriveDel(priv->mon, drivealias) < 0) {
VIR_WARN("Unable to remove drive %s (%s) after failed "
"qemuMonitorAddDevice",
drvstr, devstr);