diff options
Diffstat (limited to 'hw/block/dataplane/virtio-blk.c')
| -rw-r--r-- | hw/block/dataplane/virtio-blk.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/hw/block/dataplane/virtio-blk.c b/hw/block/dataplane/virtio-blk.c index 527a53ce37..94e1a29ef5 100644 --- a/hw/block/dataplane/virtio-blk.c +++ b/hw/block/dataplane/virtio-blk.c @@ -232,8 +232,7 @@ void virtio_blk_data_plane_start(VirtIOBlockDataPlane *s) vq = virtio_get_queue(s->vdev, 0); if (!vring_setup(&s->vring, s->vdev, 0)) { - s->starting = false; - return; + goto fail_vring; } /* Set up guest notifier (irq) */ @@ -241,7 +240,7 @@ void virtio_blk_data_plane_start(VirtIOBlockDataPlane *s) if (r != 0) { fprintf(stderr, "virtio-blk failed to set guest notifier (%d), " "ensure -enable-kvm is set\n", r); - exit(1); + goto fail_guest_notifiers; } s->guest_notifier = virtio_queue_get_guest_notifier(vq); @@ -249,7 +248,7 @@ void virtio_blk_data_plane_start(VirtIOBlockDataPlane *s) 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); + goto fail_host_notifier; } s->host_notifier = *virtio_queue_get_host_notifier(vq); @@ -269,6 +268,14 @@ void virtio_blk_data_plane_start(VirtIOBlockDataPlane *s) aio_context_acquire(s->ctx); aio_set_event_notifier(s->ctx, &s->host_notifier, handle_notify); aio_context_release(s->ctx); + return; + + fail_host_notifier: + k->set_guest_notifiers(qbus->parent, 1, false); + fail_guest_notifiers: + vring_teardown(&s->vring, s->vdev, 0); + fail_vring: + s->starting = false; } /* Context: QEMU global mutex held */ |