diff options
| -rw-r--r-- | hw/s390x/virtio-ccw.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index 5f5e267558..44f5772bb2 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -328,10 +328,10 @@ static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw) ret = -EINVAL; break; } - indicators = ldq_phys(ccw.cda); - if (!indicators) { + if (!ccw.cda) { ret = -EFAULT; } else { + indicators = ldq_phys(ccw.cda); dev->indicators = indicators; sch->curr_status.scsw.count = ccw.count - sizeof(indicators); ret = 0; @@ -348,10 +348,10 @@ static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw) ret = -EINVAL; break; } - indicators = ldq_phys(ccw.cda); - if (!indicators) { + if (!ccw.cda) { ret = -EFAULT; } else { + indicators = ldq_phys(ccw.cda); dev->indicators2 = indicators; sch->curr_status.scsw.count = ccw.count - sizeof(indicators); ret = 0; |