diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/virtio_console.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index de03df9dd7c9..26afb56a8073 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1986,6 +1986,12 @@ static int virtcons_probe(struct virtio_device *vdev) bool multiport; bool early = early_put_chars != NULL; + if (!vdev->config->get) { + dev_err(&vdev->dev, "%s failure: config access disabled\n", + __func__); + return -EINVAL; + } + /* Ensure to read early_put_chars now */ barrier(); |