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Date: Wed, 23 Mar 2022 09:49:52 +0100 From: Stefano Garzarella <sgarzare@...hat.com> To: netdev@...r.kernel.org Cc: Stefan Hajnoczi <stefanha@...hat.com>, Paolo Abeni <pabeni@...hat.com>, Arseny Krasnov <arseny.krasnov@...persky.com>, "David S. Miller" <davem@...emloft.net>, kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org, linux-kernel@...r.kernel.org, Stefano Garzarella <sgarzare@...hat.com>, "Michael S. Tsirkin" <mst@...hat.com>, Asias He <asias@...hat.com>, Jakub Kicinski <kuba@...nel.org> Subject: [PATCH net v2 1/3] vsock/virtio: enable VQs early on probe virtio spec requires drivers to set DRIVER_OK before using VQs. This is set automatically after probe returns, but virtio-vsock driver uses VQs in the probe function to fill rx and event VQs with new buffers. Let's fix this, calling virtio_device_ready() before using VQs in the probe function. Fixes: 0ea9e1d3a9e3 ("VSOCK: Introduce virtio_transport.ko") Signed-off-by: Stefano Garzarella <sgarzare@...hat.com> --- net/vmw_vsock/virtio_transport.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c index 5afc194a58bb..b1962f8cd502 100644 --- a/net/vmw_vsock/virtio_transport.c +++ b/net/vmw_vsock/virtio_transport.c @@ -622,6 +622,8 @@ static int virtio_vsock_probe(struct virtio_device *vdev) INIT_WORK(&vsock->event_work, virtio_transport_event_work); INIT_WORK(&vsock->send_pkt_work, virtio_transport_send_pkt_work); + virtio_device_ready(vdev); + mutex_lock(&vsock->tx_lock); vsock->tx_run = true; mutex_unlock(&vsock->tx_lock); -- 2.35.1
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