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authorHalil Pasic <pasic@linux.vnet.ibm.com>2017-08-31 14:18:28 +0200
committerCornelia Huck <cohuck@redhat.com>2017-09-19 18:21:32 +0200
commit6c86462220a1c7f5d673663d31d297627a2868a6 (patch)
tree3127d34da49a72043ffd5b5aa83dc619e262ad22 /hw/s390x/css.c
parent7ec6a364916c0d1eba01128481e503a550a2b466 (diff)
downloadfocaccia-qemu-6c86462220a1c7f5d673663d31d297627a2868a6.tar.gz
focaccia-qemu-6c86462220a1c7f5d673663d31d297627a2868a6.zip
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>
Diffstat (limited to 'hw/s390x/css.c')
-rw-r--r--hw/s390x/css.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c
index 901dc6a0f3..5d3de71c4c 100644
--- a/hw/s390x/css.c
+++ b/hw/s390x/css.c
@@ -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;
     }