scale: Fix a crash

We can only free the marks_node if there is one.
This commit is contained in:
Matthias Clasen 2015-11-03 23:35:32 -05:00
parent 099cde5f80
commit 0024358c91

View File

@ -1542,8 +1542,11 @@ gtk_scale_clear_marks (GtkScale *scale)
gtk_style_context_remove_class (context, GTK_STYLE_CLASS_SCALE_HAS_MARKS_BELOW);
gtk_style_context_remove_class (context, GTK_STYLE_CLASS_SCALE_HAS_MARKS_ABOVE);
gtk_css_node_set_parent (priv->marks_node, NULL);
priv->marks_node = NULL;
if (priv->marks_node)
{
gtk_css_node_set_parent (priv->marks_node, NULL);
priv->marks_node = NULL;
}
_gtk_range_set_stop_values (GTK_RANGE (scale), NULL, 0);