From: Matthias Clasen <mclasen@redhat.com>
Date: Sun, 12 Feb 2023 15:01:11 +0000 (-0500)
Subject: gl: Avoid a crash in the texture library
X-Git-Tag: archive/raspbian/4.12.3+ds-1+rpi1~1^2^2^2~22^2~7^2~9^2
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=d3dfdd214fc8114c299822fb80b98b23b035f01d;p=gtk4.git

gl: Avoid a crash in the texture library

entry->texture can be NULL, so check before
using it.

Fixes: #5175
---

diff --git a/gsk/gl/gskgltexturelibrary.c b/gsk/gl/gskgltexturelibrary.c
index c2ec0f84ab..6cbd7fa32a 100644
--- a/gsk/gl/gskgltexturelibrary.c
+++ b/gsk/gl/gskgltexturelibrary.c
@@ -112,7 +112,8 @@ gsk_gl_texture_library_real_compact (GskGLTextureLibrary *self,
             {
               if (!entry->accessed)
                 {
-                  gsk_gl_driver_release_texture (self->driver, entry->texture);
+                  if (entry->texture)
+                    gsk_gl_driver_release_texture (self->driver, entry->texture);
                   g_hash_table_iter_remove (&iter);
                   dropped++;
                 }