diff --git a/drivers/s390/cio/vfio_ccw_cp.c b/drivers/s390/cio/vfio_ccw_cp.c index f20b4d66c75f..4a39b54732d0 100644 --- a/drivers/s390/cio/vfio_ccw_cp.c +++ b/drivers/s390/cio/vfio_ccw_cp.c @@ -330,6 +330,8 @@ static void ccwchain_cda_free(struct ccwchain *chain, int idx) { struct ccw1 *ccw = chain->ch_ccw + idx; + if (ccw_is_test(ccw) || ccw_is_noop(ccw) || ccw_is_tic(ccw)) + return; if (!ccw->count) return;