diff options
| -rw-r--r-- | drivers/virtio/virtio_balloon.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 50c5f42d7a9f..3176ea4028a8 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -466,6 +466,12 @@ static int virtballoon_probe(struct virtio_device *vdev) struct virtio_balloon *vb; int err; + if (!vdev->config->get) { + dev_err(&vdev->dev, "%s failure: config access disabled\n", + __func__); + return -EINVAL; + } + vdev->priv = vb = kmalloc(sizeof(*vb), GFP_KERNEL); if (!vb) { err = -ENOMEM; |