Re: [PATCH 1/3] virtio_net: Fix leaked netdev->refcnt

[Avi Kivity <avi@redhat.com>]

Mark McLoughlin wrote:
> If after receiving some packets and refilling the queue with buffers,
> we detect that more packets are available then we re-schedule the
> queue and process them.
>
> This re-scheduling - i.e. calling __netif_rx_schedule() - causes a
> netdev reference to be taken.
>
> Once we've finally run out of buffers to process, we return zero and
> net_rx_action() drops the reference taken by the original call to
> _netif_rx_schedule() in e.g. skb_recv_done().
>
> The reference taken by re-scheduling is always leaked, leading to:
>
>       waiting for eth0 to become free. Usage count = 132568
>
> Fix by immediately dropping the extra reference taken.
>   

Applied all three, thanks.

-- 
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