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s390x/css: fix cc handling for XSCH 

The function ioinst_handle_xsch is presenting cc 2 when it's supposed to
present cc 1 and the other way around, because css_do_xsch has the error
codes mixed up. Because cc 1 has precedence over cc 2 we also have to
swap the two checks.

Let us fix this.

Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Reported-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
Message-Id: <20170831121828.85885-1-pasic@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
Halil Pasic 2017-08-31 14:18:28 +02:00 committed by Cornelia Huck
parent 7ec6a36491
commit 6c86462220
1 changed files with 5 additions and 5 deletions
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10
hw/s390x/css.c
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@ -1276,16 +1276,16 @@ int css_do_xsch(SubchDev *sch)
goto out;
}
if (s->ctrl & SCSW_CTRL_MASK_STCTL) {
ret = -EINPROGRESS;
goto out;
}
if (!(s->ctrl & SCSW_CTRL_MASK_FCTL) ||
((s->ctrl & SCSW_CTRL_MASK_FCTL) != SCSW_FCTL_START_FUNC) ||
(!(s->ctrl &
(SCSW_ACTL_RESUME_PEND | SCSW_ACTL_START_PEND | SCSW_ACTL_SUSP))) ||
(s->ctrl & SCSW_ACTL_SUBCH_ACTIVE)) {
ret = -EINPROGRESS;
goto out;
}
if (s->ctrl & SCSW_CTRL_MASK_STCTL) {
ret = -EBUSY;
goto out;
}