25 lines
626 B
Diff
25 lines
626 B
Diff
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diff --git a/present/present_scmd.c b/present/present_scmd.c
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index da836ea6b..239055bc1 100644
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--- a/present/present_scmd.c
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+++ b/present/present_scmd.c
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@@ -158,6 +158,9 @@ present_scmd_get_crtc(present_screen_priv_ptr screen_priv, WindowPtr window)
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if (!screen_priv->info)
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return NULL;
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+ if (!screen_priv->info->get_crtc)
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+ return NULL;
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+
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return (*screen_priv->info->get_crtc)(window);
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}
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@@ -196,6 +199,9 @@ present_flush(WindowPtr window)
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if (!screen_priv->info)
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return;
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+ if (!screen_priv->info->flush)
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+ return;
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+
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(*screen_priv->info->flush) (window);
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}
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