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qom: Detect attempts to add a property that already exists 

Detect attempts to add a property to an object if one of
that name already exists, and report them as errors.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1364217314-7400-2-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Peter Maydell 2013-03-25 13:15:13 +00:00 committed by Anthony Liguori
parent b000dfbd42
commit 54852b0371
1 changed files with 12 additions and 1 deletions
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13
qom/object.c
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@ -629,7 +629,18 @@ void object_property_add(Object *obj, const char *name, const char *type,
ObjectPropertyRelease *release,
void *opaque, Error **errp)
{
ObjectProperty *prop = g_malloc0(sizeof(*prop));
ObjectProperty *prop;
QTAILQ_FOREACH(prop, &obj->properties, node) {
if (strcmp(prop->name, name) == 0) {
error_setg(errp, "attempt to add duplicate property '%s'"
" to object (type '%s')", name,
object_get_typename(obj));
return;
}
}
prop = g_malloc0(sizeof(*prop));
prop->name = g_strdup(name);
prop->type = g_strdup(type);