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qemu: Alter error path cleanup for qemuDomainAttachMemory

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A recent adjustment to qemuDomainAttachRNGDevice to properly cleanup
the props object after a qemuMonitorAddObject also would affect this
code. Alter the cleanup to be similar to RNG changes.
This commit is contained in:
John Ferlan 2016-07-15 07:27:48 -04:00
parent 47208776be
commit 99026fd0ad
1 changed files with 18 additions and 10 deletions
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28
src/qemu/qemu_hotplug.c
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@ -1707,16 +1707,19 @@ qemuDomainAttachMemory(virQEMUDriverPtr driver,
virDomainMemoryDefPtr mem)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
virErrorPtr orig_err;
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
unsigned long long oldmem = virDomainDefGetMemoryTotal(vm->def);
unsigned long long newmem = oldmem + mem->size;
char *devstr = NULL;
char *objalias = NULL;
const char *backendType;
bool objAdded = false;
virJSONValuePtr props = NULL;
virObjectEventPtr event;
int id;
int ret = -1;
int rv;
qemuDomainMemoryDeviceAlignSize(vm->def, mem);
@ -1749,16 +1752,14 @@ qemuDomainAttachMemory(virQEMUDriverPtr driver,
}
qemuDomainObjEnterMonitor(driver, vm);
if (qemuMonitorAddObject(priv->mon, backendType, objalias, props) < 0)
rv = qemuMonitorAddObject(priv->mon, backendType, objalias, props);
props = NULL; /* qemuMonitorAddObject consumes */
if (rv < 0)
goto exit_monitor;
objAdded = true;
if (qemuMonitorAddDevice(priv->mon, devstr) < 0) {
virErrorPtr err = virSaveLastError();
ignore_value(qemuMonitorDelObject(priv->mon, objalias));
virSetError(err);
virFreeError(err);
if (qemuMonitorAddDevice(priv->mon, devstr) < 0)
goto exit_monitor;
}
if (qemuDomainObjExitMonitor(driver, vm) < 0) {
/* we shouldn't touch mem now, as the def might be freed */
@ -1791,6 +1792,13 @@ qemuDomainAttachMemory(virQEMUDriverPtr driver,
return ret;
exit_monitor:
orig_err = virSaveLastError();
if (objAdded)
ignore_value(qemuMonitorDelObject(priv->mon, objalias));
if (orig_err) {
virSetError(orig_err);
virFreeError(orig_err);
}
if (qemuDomainObjExitMonitor(driver, vm) < 0) {
mem = NULL;
goto audit;
@ -1803,10 +1811,10 @@ qemuDomainAttachMemory(virQEMUDriverPtr driver,
mem = NULL;
/* reset the mlock limit */
virErrorPtr err = virSaveLastError();
orig_err = virSaveLastError();
ignore_value(qemuDomainAdjustMaxMemLock(vm));
virSetError(err);
virFreeError(err);
virSetError(orig_err);
virFreeError(orig_err);
goto audit;
}