diff options
| -rw-r--r-- | hw/block/dataplane/virtio-blk.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/hw/block/dataplane/virtio-blk.c b/hw/block/dataplane/virtio-blk.c index d6ba65ca23..527a53ce37 100644 --- a/hw/block/dataplane/virtio-blk.c +++ b/hw/block/dataplane/virtio-blk.c @@ -218,6 +218,7 @@ void virtio_blk_data_plane_start(VirtIOBlockDataPlane *s) VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus); VirtIOBlock *vblk = VIRTIO_BLK(s->vdev); VirtQueue *vq; + int r; if (s->started) { return; @@ -236,16 +237,18 @@ void virtio_blk_data_plane_start(VirtIOBlockDataPlane *s) } /* Set up guest notifier (irq) */ - if (k->set_guest_notifiers(qbus->parent, 1, true) != 0) { - fprintf(stderr, "virtio-blk failed to set guest notifier, " - "ensure -enable-kvm is set\n"); + r = k->set_guest_notifiers(qbus->parent, 1, true); + if (r != 0) { + fprintf(stderr, "virtio-blk failed to set guest notifier (%d), " + "ensure -enable-kvm is set\n", r); exit(1); } s->guest_notifier = virtio_queue_get_guest_notifier(vq); /* Set up virtqueue notify */ - if (k->set_host_notifier(qbus->parent, 0, true) != 0) { - fprintf(stderr, "virtio-blk failed to set host notifier\n"); + r = k->set_host_notifier(qbus->parent, 0, true); + if (r != 0) { + fprintf(stderr, "virtio-blk failed to set host notifier (%d)\n", r); exit(1); } s->host_notifier = *virtio_queue_get_host_notifier(vq); |