diff options
| -rw-r--r-- | hw/s390x/virtio-ccw.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index 56e4872e11..b857413fa4 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -742,10 +742,16 @@ static void virtio_ccw_notify(DeviceState *d, uint16_t vector) } if (vector < VIRTIO_PCI_QUEUE_MAX) { + if (!dev->indicators) { + return; + } indicators = ldq_phys(dev->indicators); indicators |= 1ULL << vector; stq_phys(dev->indicators, indicators); } else { + if (!dev->indicators2) { + return; + } vector = 0; indicators = ldq_phys(dev->indicators2); indicators |= 1ULL << vector; |