xfixes: don't dereference a NULL cursor
If the new cursor is the NULL cursor, don't dereference it and use zeros
instead.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
(cherry picked from commit 1ab50be938
)
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@ -165,9 +165,9 @@ CursorDisplayCursor (DeviceIntPtr pDev,
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ev.type = XFixesEventBase + XFixesCursorNotify;
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ev.subtype = XFixesDisplayCursorNotify;
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ev.window = e->pWindow->drawable.id;
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ev.cursorSerial = pCursor->serialNumber;
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ev.cursorSerial = pCursor ? pCursor->serialNumber : 0;
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ev.timestamp = currentTime.milliseconds;
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ev.name = pCursor->name;
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ev.name = pCursor ? pCursor->name : None;
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WriteEventsToClient (e->pClient, 1, (xEvent *) &ev);
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}
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}
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