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qemuSnapshotCreate: Standardize handling of the reference on @snapdef

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As with qemuSnapshotRedefine, make an extra reference in a temporary
autocleaned variable and use that instead of refing the definition after
it's stolen.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2022-01-12 16:35:01 +01:00
parent c0fd70c1e1
commit 2d0f7d779d
1 changed files with 4 additions and 3 deletions
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7
src/qemu/qemu_snapshot.c
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@ -1750,11 +1750,12 @@ qemuSnapshotRedefine(virDomainObj *vm,
static virDomainSnapshotPtr
qemuSnapshotCreate(virDomainObj *vm,
virDomainPtr domain,
virDomainSnapshotDef *snapdef,
virDomainSnapshotDef *snapdeftmp,
virQEMUDriver *driver,
virQEMUDriverConfig *cfg,
unsigned int flags)
{
g_autoptr(virDomainSnapshotDef) snapdef = virObjectRef(snapdeftmp);
g_autoptr(virDomainMomentObj) tmpsnap = NULL;
virDomainMomentObj *snap = NULL;
virDomainMomentObj *current = NULL;
@ -1769,17 +1770,17 @@ qemuSnapshotCreate(virDomainObj *vm,
if (flags & VIR_DOMAIN_SNAPSHOT_CREATE_NO_METADATA) {
snap = tmpsnap = virDomainMomentObjNew();
snap->def = &snapdef->parent;
snapdef = NULL;
} else {
if (!(snap = virDomainSnapshotAssignDef(vm->snapshots, snapdef)))
return NULL;
snapdef = NULL;
if ((current = virDomainSnapshotGetCurrent(vm->snapshots))) {
snap->def->parent_name = g_strdup(current->def->name);
}
}
virObjectRef(snapdef);
/* actually do the snapshot */
if (virDomainObjIsActive(vm)) {
if (flags & VIR_DOMAIN_SNAPSHOT_CREATE_DISK_ONLY ||