From 73f64971c8118ee3d782edf657bbbb0ae90e29a9 Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Mon, 20 May 2024 08:57:28 -0400
Subject: [PATCH] css: Avoid a possible memory leak

Currently, style->variables is always NULL when we get here, but
better to be safe than sorry, and clear the fields before we
overwrite it.
---
 gtk/gtkcssstaticstyle.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gtk/gtkcssstaticstyle.c b/gtk/gtkcssstaticstyle.c
index 9ca869395a..b264dbc2c3 100644
--- a/gtk/gtkcssstaticstyle.c
+++ b/gtk/gtkcssstaticstyle.c
@@ -865,6 +865,7 @@ gtk_css_lookup_resolve (GtkCssLookup      *lookup,
     }
   else if (parent_style && parent_style->variables)
     {
+      g_clear_pointer (&style->variables, gtk_css_variable_set_unref);
       style->variables = gtk_css_variable_set_ref (parent_style->variables);
     }