Commit 4b5bdf6c authored by Andre Moreira Magalhaes (andrunko)'s avatar Andre Moreira Magalhaes (andrunko) Committed by Edward Hervey

Do not crash when checking whether an instance type is of a given fundamental.

Not all instances have a TypeNode associated (e.g. GstEvent), so lets check if node is available
before trying to use it.

This crash can be easily reproduced by creating an event with gst_event_new_eos and using
G_IS_OBJECT on the event instance.
parent 5053054c
......@@ -3972,9 +3972,11 @@ gboolean
g_type_check_instance_is_fundamentally_a (GTypeInstance *type_instance,
GType fundamental_type)
TypeNode *node;
if (!type_instance || !type_instance->g_class)
return FALSE;
return NODE_FUNDAMENTAL_TYPE(lookup_type_node_I (type_instance->g_class->g_type)) == fundamental_type;
node = lookup_type_node_I (type_instance->g_class->g_type);
return node && (NODE_FUNDAMENTAL_TYPE(node) == fundamental_type);
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