diff options
| -rw-r--r-- | sys/dev/virtio/block/virtio_blk.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/dev/virtio/block/virtio_blk.c b/sys/dev/virtio/block/virtio_blk.c index 9442a6d..d05fa7a 100644 --- a/sys/dev/virtio/block/virtio_blk.c +++ b/sys/dev/virtio/block/virtio_blk.c @@ -997,6 +997,7 @@ vtblk_poll_request(struct vtblk_softc *sc, struct vtblk_request *req) { device_t dev; struct virtqueue *vq; + struct vtblk_request *r; int error; dev = sc->vtblk_dev; @@ -1011,7 +1012,8 @@ vtblk_poll_request(struct vtblk_softc *sc, struct vtblk_request *req) virtqueue_notify(vq); - req = virtqueue_poll(vq, NULL); + r = virtqueue_poll(vq, NULL); + KASSERT(r == req, ("unexpected request response")); error = vtblk_request_error(req); if (error && bootverbose) { |
