On Tue, Jun 14, 2022 at 5:04 AM Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote:
>
> From: Johannes Berg <johannes.berg@xxxxxxxxx>
>
> Just like a similar commit to arch/um/drivers/virt-pci.c, call
> virtio_device_ready() to make this driver work after commit
> b4ec69d7e09 ("virtio: harden vring IRQ"), since the driver uses
> the virtqueues in the probe function. (The virtio core sets
> the device ready when probe returns.)
>
> Change-Id: I617d3b819b5e5345471a8e79db25342981a92424
> Fixes: 8b4ec69d7e09 ("virtio: harden vring IRQ")
> Fixes: 5d44fe7c9808 ("mac80211_hwsim: add frame transmission support over virtio")
> Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
> ---
> drivers/net/wireless/mac80211_hwsim.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
> index 02108b94d6b8..d2b31595856d 100644
> --- a/drivers/net/wireless/mac80211_hwsim.c
> +++ b/drivers/net/wireless/mac80211_hwsim.c
> @@ -4951,6 +4951,8 @@ static int hwsim_virtio_probe(struct virtio_device *vdev)
> if (err)
> return err;
>
> + virtio_device_ready(vdev);
> +
> err = fill_vq(hwsim_vqs[HWSIM_VQ_RX]);
> if (err)
> goto out_remove;
> --
> 2.36.1
>
