diff options
| author | Błażej Szczygieł <spaz16@wp.pl> | 2022-01-13 00:47:27 +0100 |
|---|---|---|
| committer | Aaron Plattner <aplattner@nvidia.com> | 2022-01-19 10:23:20 -0800 |
| commit | 22d5818851967408bb7c903cb345b7ca8766094c (patch) | |
| tree | 4030362d9f4e6c1a2a96503d65ba63c363427cfe | |
| parent | d1f26c3e7566ebb6178a855b08b0f06dec730fb5 (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>
| -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 da836ea6b..239055bc1 100644 --- a/present/present_scmd.c +++ b/present/present_scmd.c @@ -158,6 +158,9 @@ 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); } @@ -196,6 +199,9 @@ present_flush(WindowPtr window) if (!screen_priv->info) return; + if (!screen_priv->info->flush) + return; + (*screen_priv->info->flush) (window); } |