diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 5954b905e3cab9723116646069356ad7928c31d8..326f4cc7f92c932578870443f1421488501c25c0 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -174,6 +174,7 @@ cio_start_key (struct subchannel *sch, /* subchannel structure */ CIO_TRACE_EVENT(4, sch->dev.bus_id); orb = &to_io_private(sch)->orb; + memset(orb, 0, sizeof(union orb)); /* sch is always under 2G. */ orb->cmd.intparm = (u32)(addr_t)sch; orb->cmd.fmt = 1;