luc14n0/glib
1
0
Fork 0
mirror of https://gitlab.gnome.org/GNOME/glib.git synced 2025-08-01 15:03:39 +02:00
Code Issues Packages Projects Releases Wiki Activity

gtype: Fix pointer being dereferenced despite NULL check

Browse Source
This commit is contained in:
Egor Bychin
2021-10-11 14:26:20 +03:00
parent 7f6ce4d8d2
commit 5419228f63
1 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
gobject/gtype.c
View File

@@ -3159,11 +3159,14 @@ g_type_class_peek_parent (gpointer g_class)
g_return_val_if_fail (g_class != NULL, NULL);
node = lookup_type_node_I (G_TYPE_FROM_CLASS (g_class));
g_return_val_if_fail (node != NULL, NULL);
/* We used to acquire a read lock here. That is not necessary, since
* parent->data->class.class is constant as long as the derived class
* exists.
*/
if (node && node->is_classed && node->data && NODE_PARENT_TYPE (node))
if (node->is_classed && node->data && NODE_PARENT_TYPE (node))
{
node = lookup_type_node_I (NODE_PARENT_TYPE (node));
class = node->data->class.class;