From http://www.jwz.org/xscreensaver/xscreensaver-5.36.tar.gz

[xscreensaver] / hacks / glx / lavalite.c

diff --git a/hacks/glx/lavalite.c b/hacks/glx/lavalite.c
index f3eadc5e78688b964fdf1c2deb813991d068c4cd..7e422ad6c0918d8452bfde98643cb85ffb9ca152 100644 (file)
--- a/hacks/glx/lavalite.c
+++ b/hacks/glx/lavalite.c
@@ -339,6 +339,7 @@ load_texture (ModeInfo *mi, const char *filename)
     }
 
   image = xpm_file_to_ximage (dpy, visual, cmap, filename);
+  if (!image) return False;
 
   clear_gl_error();
   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,