composite: initialise pOldPixmap to NullPixmap at alloc time.
We just never initialised the malloced value. Signed-off-by: Dave Airlie <airlied@redhat.com> Reviewed-by: Keith Packard <keithp@keithp.com> Signed-off-by: Keith Packard <keithp@keithp.com>
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@ -143,6 +143,7 @@ compRedirectWindow (ClientPtr pClient, WindowPtr pWin, int update)
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cw->oldy = COMP_ORIGIN_INVALID;
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cw->damageRegistered = FALSE;
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cw->damaged = FALSE;
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cw->pOldPixmap = NullPixmap;
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dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, cw);
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}
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ccw->next = cw->clients;
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