diff options
| author | Błażej Szczygieł <spaz16@wp.pl> | 2022-01-13 00:47:27 +0100 |
|---|---|---|
| committer | Olivier Fourdan <ofourdan@redhat.com> | 2022-01-24 18:04:20 +0100 |
| commit | d2ce97bd02c16ae162c49f76a00fc858035f288e (patch) | |
| tree | 55467ff4bc68be1f9b4a9b9b75584733554cddb3 | |
| parent | 97c5b77774595c4dcef07223cd2684fea5201d5e (diff) | |
present: Check for NULL to prevent crash
Closes: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1275
Signed-off-by: Błażej Szczygieł <spaz16@wp.pl>
Tested-by: Aaron Plattner <aplattner@nvidia.com>
(cherry picked from commit 22d5818851967408bb7c903cb345b7ca8766094c)
| -rw-r--r-- | present/present_scmd.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/present/present_scmd.c b/present/present_scmd.c index 3c68e690b..11391adbb 100644 --- a/present/present_scmd.c +++ b/present/present_scmd.c @@ -168,6 +168,9 @@ present_scmd_get_crtc(present_screen_priv_ptr screen_priv, WindowPtr window) if (!screen_priv->info) return NULL; + if (!screen_priv->info->get_crtc) + return NULL; + return (*screen_priv->info->get_crtc)(window); } @@ -206,6 +209,9 @@ present_flush(WindowPtr window) if (!screen_priv->info) return; + if (!screen_priv->info->flush) + return; + (*screen_priv->info->flush) (window); } |