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-rw-r--r--present/present_scmd.c6
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);
}