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qapi: fail hard on stack imbalance

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QmpOutputVisitor will segfault if an imbalanced end function is
called.  So we can abort in QmpInputVisitor too.

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 12:51:04 +01:00 committed by Luiz Capitulino
parent 3dcf71f632
commit 2c7ff93359
1 changed files with 1 additions and 4 deletions
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5
qapi/qmp-input-visitor.c
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@ -77,11 +77,8 @@ static void qmp_input_push(QmpInputVisitor *qiv, const QObject *obj, Error **err
static void qmp_input_pop(QmpInputVisitor *qiv, Error **errp)
{
assert(qiv->nb_stack > 0);
qiv->nb_stack--;
if (qiv->nb_stack < 0) {
error_set(errp, QERR_BUFFER_OVERRUN);
return;
}
}
static void qmp_input_start_struct(Visitor *v, void **obj, const char *kind,