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qapi: Make more of qobject_to()

This patch reworks some places which use either qobject_type() checks
plus qobject_to(), where the latter alone is sufficient, or NULL checks
plus qobject_type() checks where we can simply do a qobject_to() != NULL
check.

Backports commit 532fb532847365f61a9c6e1291b6588a43bc1cc4 from qemu
This commit is contained in:
Max Reitz 2018-03-20 11:05:39 -04:00 committed by Lioncash
parent 0c71b44d41
commit 65b2b73b12
No known key found for this signature in database
GPG key ID: 4E3C3CC1031BA9C7
2 changed files with 13 additions and 10 deletions

View file

@ -297,7 +297,7 @@ static GenericList *qobject_input_next_list(Visitor *v, GenericList *tail,
QObjectInputVisitor *qiv = to_qiv(v);
StackObject *tos = QSLIST_FIRST(&qiv->stack);
assert(tos && tos->obj && qobject_type(tos->obj) == QTYPE_QLIST);
assert(tos && qobject_to(QList, tos->obj));
if (!tos->entry) {
return NULL;
@ -311,7 +311,7 @@ static void qobject_input_check_list(Visitor *v, Error **errp)
QObjectInputVisitor *qiv = to_qiv(v);
StackObject *tos = QSLIST_FIRST(&qiv->stack);
assert(tos && tos->obj && qobject_type(tos->obj) == QTYPE_QLIST);
assert(tos && qobject_to(QList, tos->obj));
if (tos->entry) {
error_setg(errp, "Only %u list elements expected in %s",

View file

@ -878,18 +878,20 @@ QObject *qdict_crumple(const QDict *src, Error **errp)
child = qdict_get(two_level, prefix);
if (suffix) {
if (child) {
if (qobject_type(child) != QTYPE_QDICT) {
QDict *child_dict = qobject_to(QDict, child);
if (!child_dict) {
if (child) {
error_setg(errp, "Key %s prefix is already set as a scalar",
prefix);
goto error;
}
} else {
child = QOBJECT(qdict_new());
qdict_put_obj(two_level, prefix, child);
child_dict = qdict_new();
qdict_put_obj(two_level, prefix, QOBJECT(child_dict));
}
qobject_incref(ent->value);
qdict_put_obj(qobject_to(QDict, child), suffix, ent->value);
qdict_put_obj(child_dict, suffix, ent->value);
} else {
if (child) {
error_setg(errp, "Key %s prefix is already set as a dict",
@ -910,8 +912,9 @@ QObject *qdict_crumple(const QDict *src, Error **errp)
for (ent = qdict_first(two_level); ent != NULL;
ent = qdict_next(two_level, ent)) {
if (qobject_type(ent->value) == QTYPE_QDICT) {
child = qdict_crumple(qobject_to(QDict, ent->value), errp);
QDict *dict = qobject_to(QDict, ent->value);
if (dict) {
child = qdict_crumple(dict, errp);
if (!child) {
goto error;
}