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qemuCheckpointGetXMLDescUpdateSize: Don't combine automatic freeing with manual

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'blockNamedNodeData' is declared for automatic freeing but we also free
it manually and reuse which is a code pattern we don't normally allow.

Rewrite the code to have actually two separate hash tables.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
This commit is contained in:
Peter Krempa 2021-11-30 13:16:15 +01:00
parent e552a0d502
commit b326b4eeaa
1 changed files with 8 additions and 8 deletions
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16
src/qemu/qemu_checkpoint.c
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@ -647,7 +647,8 @@ qemuCheckpointGetXMLDescUpdateSize(virDomainObj *vm,
{
qemuDomainObjPrivate *priv = vm->privateData;
virQEMUDriver *driver = priv->driver;
g_autoptr(GHashTable) blockNamedNodeData = NULL;
g_autoptr(GHashTable) nodedataMerge = NULL;
g_autoptr(GHashTable) nodedataStats = NULL;
g_autofree struct qemuCheckpointDiskMap *diskmap = NULL;
g_autoptr(virJSONValue) recoveractions = NULL;
g_autoptr(virJSONValue) mergeactions = virJSONValueNewArray();
@ -663,7 +664,7 @@ qemuCheckpointGetXMLDescUpdateSize(virDomainObj *vm,
if (virDomainObjCheckActive(vm) < 0)
goto endjob;
if (!(blockNamedNodeData = qemuBlockGetNamedNodeData(vm, QEMU_ASYNC_JOB_NONE)))
if (!(nodedataMerge = qemuBlockGetNamedNodeData(vm, QEMU_ASYNC_JOB_NONE)))
goto endjob;
/* enumerate disks relevant for the checkpoint which are also present in the
@ -683,7 +684,7 @@ qemuCheckpointGetXMLDescUpdateSize(virDomainObj *vm,
if (!(domdisk = virDomainDiskByTarget(vm->def, chkdisk->name)))
continue;
if (!qemuBlockBitmapChainIsValid(domdisk->src, chkdef->parent.name, blockNamedNodeData))
if (!qemuBlockBitmapChainIsValid(domdisk->src, chkdef->parent.name, nodedataMerge))
continue;
diskmap[ndisks].chkdisk = chkdisk;
@ -702,7 +703,7 @@ qemuCheckpointGetXMLDescUpdateSize(virDomainObj *vm,
g_autoptr(virJSONValue) actions = NULL;
/* possibly delete leftovers from previous cases */
if (qemuBlockNamedNodeDataGetBitmapByName(blockNamedNodeData, domdisk->src,
if (qemuBlockNamedNodeDataGetBitmapByName(nodedataMerge, domdisk->src,
"libvirt-tmp-size-xml")) {
if (!recoveractions)
recoveractions = virJSONValueNewArray();
@ -715,7 +716,7 @@ qemuCheckpointGetXMLDescUpdateSize(virDomainObj *vm,
if (qemuBlockGetBitmapMergeActions(domdisk->src, NULL, domdisk->src,
chkdef->parent.name, "libvirt-tmp-size-xml",
NULL, &actions, blockNamedNodeData) < 0)
NULL, &actions, nodedataMerge) < 0)
goto endjob;
if (virJSONValueArrayConcat(mergeactions, actions) < 0)
@ -740,8 +741,7 @@ qemuCheckpointGetXMLDescUpdateSize(virDomainObj *vm,
goto endjob;
/* now do a final refresh */
virHashFree(blockNamedNodeData);
if (!(blockNamedNodeData = qemuBlockGetNamedNodeData(vm, QEMU_ASYNC_JOB_NONE)))
if (!(nodedataStats = qemuBlockGetNamedNodeData(vm, QEMU_ASYNC_JOB_NONE)))
goto endjob;
qemuDomainObjEnterMonitor(driver, vm);
@ -758,7 +758,7 @@ qemuCheckpointGetXMLDescUpdateSize(virDomainObj *vm,
virDomainDiskDef *domdisk = diskmap[i].domdisk;
qemuBlockNamedNodeDataBitmap *bitmap;
if ((bitmap = qemuBlockNamedNodeDataGetBitmapByName(blockNamedNodeData, domdisk->src,
if ((bitmap = qemuBlockNamedNodeDataGetBitmapByName(nodedataStats, domdisk->src,
"libvirt-tmp-size-xml"))) {
chkdisk->size = bitmap->dirtybytes;
chkdisk->sizeValid = true;