On Tue, 25 Nov 2014 18:42:01 +0200
"Michael S. Tsirkin" <m...@redhat.com> wrote:
> set FEATURES_OK as per virtio 1.0 spec
>
> Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
> ---
> include/uapi/linux/virtio_config.h | 2 ++
> drivers/virtio/virtio.c | 29 ++++++++++++++++++++++-------
> 2 files changed, 24 insertions(+), 7 deletions(-)
>
> + if (virtio_has_feature(dev, VIRTIO_F_VERSION_1)) {
> + add_status(dev, VIRTIO_CONFIG_S_FEATURES_OK);
> + status = dev->config->get_status(dev);
> + if (!(status & VIRTIO_CONFIG_S_FEATURES_OK)) {
> + printk(KERN_ERR "virtio: device refuses features: %x\n",
> + status);
Can you use dev_err() to include the information which device failed?
> + err = -ENODEV;
> + goto err;
> + }
> + }
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