diff options
| -rw-r--r-- | drivers/scsi/virtio_scsi.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index c52bb5dfaedb..f164f24a4a55 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -950,6 +950,12 @@ static int virtscsi_probe(struct virtio_device *vdev) u32 num_queues; struct scsi_host_template *hostt; + if (!vdev->config->get) { + dev_err(&vdev->dev, "%s failure: config access disabled\n", + __func__); + return -EINVAL; + } + /* We need to know how many queues before we allocate. */ num_queues = virtscsi_config_get(vdev, num_queues) ? : 1; |