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qapi: fix memory leak on error

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QmpInputVisitor would leak the malloced struct if the stack was
overflowed.  This can be easily fixed using error_propagate.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-03-22 12:51:05 +01:00 committed by Luiz Capitulino
parent 2c7ff93359
commit 8b714d3747
1 changed files with 4 additions and 2 deletions
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6
qapi/qmp-input-visitor.c
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@ -86,6 +86,7 @@ static void qmp_input_start_struct(Visitor *v, void **obj, const char *kind,
{
QmpInputVisitor *qiv = to_qiv(v);
const QObject *qobj = qmp_input_get_object(qiv, name);
Error *err = NULL;
if (!qobj || qobject_type(qobj) != QTYPE_QDICT) {
error_set(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
@ -93,8 +94,9 @@ static void qmp_input_start_struct(Visitor *v, void **obj, const char *kind,
return;
}
qmp_input_push(qiv, qobj, errp);
if (error_is_set(errp)) {
qmp_input_push(qiv, qobj, &err);
if (err) {
error_propagate(errp, err);
return;
}