Re: [PATCH net-next] hv_netvsc: Fix the list processing for network change event

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Haiyang Zhang <haiyangz@xxxxxxxxxxxxx> writes:

> RNDIS_STATUS_NETWORK_CHANGE event is handled as two "half events" --
> media disconnect & connect. The second half should be added to the list
> head, not to the tail. So all events are processed in normal order.
>

Thanks,

this matters when we get some other events in between these two halves.

Reviewed-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>

> Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
> Reviewed-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> ---
>  drivers/net/hyperv/netvsc_drv.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
> index bfdb568a..ba3f3f3 100644
> --- a/drivers/net/hyperv/netvsc_drv.c
> +++ b/drivers/net/hyperv/netvsc_drv.c
> @@ -1125,7 +1125,7 @@ static void netvsc_link_change(struct work_struct *w)
>  			netif_tx_stop_all_queues(net);
>  			event->event = RNDIS_STATUS_MEDIA_CONNECT;
>  			spin_lock_irqsave(&ndev_ctx->lock, flags);
> -			list_add_tail(&event->list, &ndev_ctx->reconfig_events);
> +			list_add(&event->list, &ndev_ctx->reconfig_events);
>  			spin_unlock_irqrestore(&ndev_ctx->lock, flags);
>  			reschedule = true;
>  		}

-- 
  Vitaly
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