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

[xscreensaver] / hacks / glx / bouncingcow.c

diff --git a/hacks/glx/bouncingcow.c b/hacks/glx/bouncingcow.c
index a2faf1f8190549e002987f681d8c53b082fdf8db..122befa65a41024559dd2d24a1f878c2271ca52c 100644 (file)
--- a/hacks/glx/bouncingcow.c
+++ b/hacks/glx/bouncingcow.c
@@ -211,6 +211,7 @@ 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,