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Diffstat (limited to 'qapi/qmp-input-visitor.c')
-rw-r--r--qapi/qmp-input-visitor.c75
1 files changed, 59 insertions, 16 deletions
diff --git a/qapi/qmp-input-visitor.c b/qapi/qmp-input-visitor.c
index 64dd392e6f..37a8e1f931 100644
--- a/qapi/qmp-input-visitor.c
+++ b/qapi/qmp-input-visitor.c
@@ -56,7 +56,7 @@ static QmpInputVisitor *to_qiv(Visitor *v)
static QObject *qmp_input_get_object(QmpInputVisitor *qiv,
const char *name,
- bool consume)
+ bool consume, Error **errp)
{
StackObject *tos;
QObject *qobj;
@@ -64,6 +64,7 @@ static QObject *qmp_input_get_object(QmpInputVisitor *qiv,
if (QSLIST_EMPTY(&qiv->stack)) {
/* Starting at root, name is ignored. */
+ assert(qiv->root);
return qiv->root;
}
@@ -79,10 +80,14 @@ static QObject *qmp_input_get_object(QmpInputVisitor *qiv,
bool removed = g_hash_table_remove(tos->h, name);
assert(removed);
}
+ if (!ret) {
+ error_setg(errp, QERR_MISSING_PARAMETER, name);
+ }
} else {
assert(qobject_type(qobj) == QTYPE_QLIST);
assert(!name);
ret = qlist_entry_obj(tos->entry);
+ assert(ret);
if (consume) {
tos->entry = qlist_next(tos->entry);
}
@@ -163,13 +168,16 @@ static void qmp_input_start_struct(Visitor *v, const char *name, void **obj,
size_t size, Error **errp)
{
QmpInputVisitor *qiv = to_qiv(v);
- QObject *qobj = qmp_input_get_object(qiv, name, true);
+ QObject *qobj = qmp_input_get_object(qiv, name, true, errp);
Error *err = NULL;
if (obj) {
*obj = NULL;
}
- if (!qobj || qobject_type(qobj) != QTYPE_QDICT) {
+ if (!qobj) {
+ return;
+ }
+ if (qobject_type(qobj) != QTYPE_QDICT) {
error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
"QDict");
return;
@@ -191,10 +199,13 @@ static void qmp_input_start_list(Visitor *v, const char *name,
GenericList **list, size_t size, Error **errp)
{
QmpInputVisitor *qiv = to_qiv(v);
- QObject *qobj = qmp_input_get_object(qiv, name, true);
+ QObject *qobj = qmp_input_get_object(qiv, name, true, errp);
const QListEntry *entry;
- if (!qobj || qobject_type(qobj) != QTYPE_QLIST) {
+ if (!qobj) {
+ return;
+ }
+ if (qobject_type(qobj) != QTYPE_QLIST) {
if (list) {
*list = NULL;
}
@@ -232,11 +243,10 @@ static void qmp_input_start_alternate(Visitor *v, const char *name,
bool promote_int, Error **errp)
{
QmpInputVisitor *qiv = to_qiv(v);
- QObject *qobj = qmp_input_get_object(qiv, name, false);
+ QObject *qobj = qmp_input_get_object(qiv, name, false, errp);
if (!qobj) {
*obj = NULL;
- error_setg(errp, QERR_MISSING_PARAMETER, name ? name : "null");
return;
}
*obj = g_malloc0(size);
@@ -250,8 +260,13 @@ static void qmp_input_type_int64(Visitor *v, const char *name, int64_t *obj,
Error **errp)
{
QmpInputVisitor *qiv = to_qiv(v);
- QInt *qint = qobject_to_qint(qmp_input_get_object(qiv, name, true));
+ QObject *qobj = qmp_input_get_object(qiv, name, true, errp);
+ QInt *qint;
+ if (!qobj) {
+ return;
+ }
+ qint = qobject_to_qint(qobj);
if (!qint) {
error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
"integer");
@@ -266,8 +281,13 @@ static void qmp_input_type_uint64(Visitor *v, const char *name, uint64_t *obj,
{
/* FIXME: qobject_to_qint mishandles values over INT64_MAX */
QmpInputVisitor *qiv = to_qiv(v);
- QInt *qint = qobject_to_qint(qmp_input_get_object(qiv, name, true));
+ QObject *qobj = qmp_input_get_object(qiv, name, true, errp);
+ QInt *qint;
+ if (!qobj) {
+ return;
+ }
+ qint = qobject_to_qint(qobj);
if (!qint) {
error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
"integer");
@@ -281,8 +301,13 @@ static void qmp_input_type_bool(Visitor *v, const char *name, bool *obj,
Error **errp)
{
QmpInputVisitor *qiv = to_qiv(v);
- QBool *qbool = qobject_to_qbool(qmp_input_get_object(qiv, name, true));
+ QObject *qobj = qmp_input_get_object(qiv, name, true, errp);
+ QBool *qbool;
+ if (!qobj) {
+ return;
+ }
+ qbool = qobject_to_qbool(qobj);
if (!qbool) {
error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
"boolean");
@@ -296,10 +321,15 @@ static void qmp_input_type_str(Visitor *v, const char *name, char **obj,
Error **errp)
{
QmpInputVisitor *qiv = to_qiv(v);
- QString *qstr = qobject_to_qstring(qmp_input_get_object(qiv, name, true));
+ QObject *qobj = qmp_input_get_object(qiv, name, true, errp);
+ QString *qstr;
+ *obj = NULL;
+ if (!qobj) {
+ return;
+ }
+ qstr = qobject_to_qstring(qobj);
if (!qstr) {
- *obj = NULL;
error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
"string");
return;
@@ -312,10 +342,13 @@ static void qmp_input_type_number(Visitor *v, const char *name, double *obj,
Error **errp)
{
QmpInputVisitor *qiv = to_qiv(v);
- QObject *qobj = qmp_input_get_object(qiv, name, true);
+ QObject *qobj = qmp_input_get_object(qiv, name, true, errp);
QInt *qint;
QFloat *qfloat;
+ if (!qobj) {
+ return;
+ }
qint = qobject_to_qint(qobj);
if (qint) {
*obj = qint_get_int(qobject_to_qint(qobj));
@@ -336,7 +369,12 @@ static void qmp_input_type_any(Visitor *v, const char *name, QObject **obj,
Error **errp)
{
QmpInputVisitor *qiv = to_qiv(v);
- QObject *qobj = qmp_input_get_object(qiv, name, true);
+ QObject *qobj = qmp_input_get_object(qiv, name, true, errp);
+
+ *obj = NULL;
+ if (!qobj) {
+ return;
+ }
qobject_incref(qobj);
*obj = qobj;
@@ -345,7 +383,11 @@ static void qmp_input_type_any(Visitor *v, const char *name, QObject **obj,
static void qmp_input_type_null(Visitor *v, const char *name, Error **errp)
{
QmpInputVisitor *qiv = to_qiv(v);
- QObject *qobj = qmp_input_get_object(qiv, name, true);
+ QObject *qobj = qmp_input_get_object(qiv, name, true, errp);
+
+ if (!qobj) {
+ return;
+ }
if (qobject_type(qobj) != QTYPE_QNULL) {
error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
@@ -356,7 +398,7 @@ static void qmp_input_type_null(Visitor *v, const char *name, Error **errp)
static void qmp_input_optional(Visitor *v, const char *name, bool *present)
{
QmpInputVisitor *qiv = to_qiv(v);
- QObject *qobj = qmp_input_get_object(qiv, name, false);
+ QObject *qobj = qmp_input_get_object(qiv, name, false, NULL);
if (!qobj) {
*present = false;
@@ -384,6 +426,7 @@ Visitor *qmp_input_visitor_new(QObject *obj, bool strict)
{
QmpInputVisitor *v;
+ assert(obj);
v = g_malloc0(sizeof(*v));
v->visitor.type = VISITOR_INPUT;