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qemu_migration: Refactor qemuMigrationSrcRestoreDomainState

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None of the callers really care about the return value so we can drop it
and simplify the code a bit.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Jiri Denemark 2025-01-15 15:59:22 +01:00
parent 899bf2746a
commit e46e64be50
1 changed files with 26 additions and 34 deletions
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26
src/qemu/qemu_migration.c
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@ -219,28 +219,27 @@ qemuMigrationSrcStoreDomainState(virDomainObj *vm)
priv->preMigrationState, vm); priv->preMigrationState, vm);
} }
/* Returns true if the domain was resumed, false otherwise */
static bool static void
qemuMigrationSrcRestoreDomainState(virQEMUDriver *driver, virDomainObj *vm) qemuMigrationSrcRestoreDomainState(virQEMUDriver *driver, virDomainObj *vm)
{ {
qemuDomainObjPrivate *priv = vm->privateData; qemuDomainObjPrivate *priv = vm->privateData;
virDomainState preMigrationState = priv->preMigrationState;
int reason; int reason;
virDomainState state = virDomainObjGetState(vm, &reason); virDomainState state = virDomainObjGetState(vm, &reason);
bool ret = false;
priv->preMigrationState = VIR_DOMAIN_NOSTATE;
VIR_DEBUG("driver=%p, vm=%p, pre-mig-state=%s, state=%s, reason=%s", VIR_DEBUG("driver=%p, vm=%p, pre-mig-state=%s, state=%s, reason=%s",
driver, vm, driver, vm,
virDomainStateTypeToString(priv->preMigrationState), virDomainStateTypeToString(preMigrationState),
virDomainStateTypeToString(state), virDomainStateTypeToString(state),
virDomainStateReasonToString(state, reason)); virDomainStateReasonToString(state, reason));
if (state != VIR_DOMAIN_PAUSED || if (preMigrationState != VIR_DOMAIN_RUNNING ||
state != VIR_DOMAIN_PAUSED ||
reason == VIR_DOMAIN_PAUSED_POSTCOPY_FAILED) reason == VIR_DOMAIN_PAUSED_POSTCOPY_FAILED)
goto cleanup; return;
if (priv->preMigrationState == VIR_DOMAIN_RUNNING) {
/* This is basically the only restore possibility that's safe
* and we should attempt to do */
VIR_DEBUG("Restoring pre-migration state due to migration error"); VIR_DEBUG("Restoring pre-migration state due to migration error");
@ -262,14 +261,7 @@ qemuMigrationSrcRestoreDomainState(virQEMUDriver *driver, virDomainObj *vm)
VIR_DOMAIN_EVENT_SUSPENDED_API_ERROR); VIR_DOMAIN_EVENT_SUSPENDED_API_ERROR);
virObjectEventStateQueue(driver->domainEventState, event); virObjectEventStateQueue(driver->domainEventState, event);
} }
goto cleanup;
} }
ret = true;
}
cleanup:
priv->preMigrationState = VIR_DOMAIN_NOSTATE;
return ret;
} }