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Re: [PATCH] net: introduce pre-up netdev notifier

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From: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Date: Sat, 30 May 2009 01:39:53 +0200

> NETDEV_UP is called after the device is set UP, but sometimes
> it is useful to be able to veto the device UP. Introduce a
> new NETDEV_PRE_UP notifier that can be used for exactly this.
> The first use case will be cfg80211 denying interfaces to be
> set UP if the device is known to be rfkill'ed.
> 
> Signed-off-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
> ---
> John, please take this patch via your tree, I asked Dave and
> he's cool with that.

Yep:

Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
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