Re: [patch net-next 15/16] net: remove usage of dev->master

From: Ben Hutchings
Date: Mon Aug 13 2012 - 13:15:33 EST


On Mon, 2012-08-13 at 17:27 +0200, Jiri Pirko wrote:
> Signed-off-by: Jiri Pirko <jiri@xxxxxxxxxxx>
> ---
> net/core/dev.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/net/core/dev.c b/net/core/dev.c
> index c0f9adb..8977404 100644
> --- a/net/core/dev.c
> +++ b/net/core/dev.c
> @@ -5461,8 +5461,8 @@ static void rollback_registered_many(struct list_head *head)
> if (dev->netdev_ops->ndo_uninit)
> dev->netdev_ops->ndo_uninit(dev);
>
> - /* Notifier chain MUST detach us from master device. */
> - WARN_ON(dev->master);
> + /* Notifier chain MUST detach us all upper devices. */
> + WARN_ON(netdev_has_any_upper_dev(dev));
>
> /* Remove entries from kobject tree */
> netdev_unregister_kobject(dev);

I think this should be folded into patch 1, since that already ensures
that any master device is included in the upper device list.

Ben.

--
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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