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dix: don't try to create events if we don't have a screen. #16898

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A NULL screen may happen during server shutdown, when the output has been shut
down but the devices still generate events.

X.Org Bug 16898 <http://bugs.freedesktop.org/show_bug.cgi?id=16898>
(cherry picked from commit 465a9bb96e)
This commit is contained in:
Peter Hutterer 2008-08-08 17:37:06 +09:30 • committed by Jeremy Huddleston
parent 745f476049
commit c6d92c5206
1 changed files with 2 additions and 0 deletions
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2
dix/getevents.c
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@ -535,6 +535,8 @@ GetPointerEvents(xEvent *events, DeviceIntPtr pDev, int type, int buttons,
ScreenPtr scr = miPointerGetScreen(pDev);
/* Sanity checks. */
if (!scr) /* can happen during server shutdown */
return 0;
if (type != MotionNotify && type != ButtonPress && type != ButtonRelease)
return 0;