console: fix dpy_gfx_replace_surface assert
commit1540008629bbb6a9c0826582d94ecf7a559f784c
authorGerd Hoffmann <kraxel@redhat.com>
Wed, 6 Sep 2017 14:21:09 +0000 (6 16:21 +0200)
committerGerd Hoffmann <kraxel@redhat.com>
Wed, 13 Sep 2017 08:16:18 +0000 (13 10:16 +0200)
tree67b8cee760877af2e303526743d784b0f3e7086b
parent35c4e86cf3c57fc395891c2bb7573c435ae58ec8
console: fix dpy_gfx_replace_surface assert

virtio-gpu can trigger the assert added by commit "6905b93447 console:
add same surface replace pre-condition" in multihead setups (where
surface can be NULL for secondary displays).  Allow surface being NULL.

Fixes: 6905b93447a42e606dfd126b90f75f4cd3c6fe94
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170906142109.2685-1-kraxel@redhat.com
ui/console.c