869     XF86XVWindowPtr winPriv, PrivRoot;  in xf86XVEnlistPortInWindow()  local
871     winPriv = PrivRoot = GET_XF86XV_WINDOW(pWin);  in xf86XVEnlistPortInWindow()
874     while (winPriv) {  in xf86XVEnlistPortInWindow()
875         if (winPriv->PortRec == portPriv)       /* we're already listed */  in xf86XVEnlistPortInWindow()
877         winPriv = winPriv->next;  in xf86XVEnlistPortInWindow()
880     if (!winPriv) {  in xf86XVEnlistPortInWindow()
881         winPriv = calloc(1, sizeof(XF86XVWindowRec));  in xf86XVEnlistPortInWindow()
882         if (!winPriv)  in xf86XVEnlistPortInWindow()
884         winPriv->PortRec = portPriv;  in xf86XVEnlistPortInWindow()
885         winPriv->next = PrivRoot;  in xf86XVEnlistPortInWindow()
886         dixSetPrivate(&pWin->devPrivates, XF86XVWindowKey, winPriv);  in xf86XVEnlistPortInWindow()
897     XF86XVWindowPtr winPriv, prevPriv = NULL;  in xf86XVRemovePortFromWindow()  local
899     winPriv = GET_XF86XV_WINDOW(pWin);  in xf86XVRemovePortFromWindow()
901     while (winPriv) {  in xf86XVRemovePortFromWindow()
902         if (winPriv->PortRec == portPriv) {  in xf86XVRemovePortFromWindow()
904                 prevPriv->next = winPriv->next;  in xf86XVRemovePortFromWindow()
907                               winPriv->next);  in xf86XVRemovePortFromWindow()
908             free(winPriv);  in xf86XVRemovePortFromWindow()
911         prevPriv = winPriv;  in xf86XVRemovePortFromWindow()
912         winPriv = winPriv->next;  in xf86XVRemovePortFromWindow()