linux-kernel - Re: [PATCH net-next] net/core: fix for_each_netdev

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Date:	Tue, 03 Nov 2015 11:34:56 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	jarod@...hat.com
Cc:	linux-kernel@...r.kernel.org, edumazet@...gle.com,
	j.vosburgh@...il.com, vfalico@...il.com, gospo@...ulusnetworks.com,
	jiri@...nulli.us, razor@...ckwall.org, mkubecek@...e.cz,
	alexander.duyck@...il.com, geert@...ux-m68k.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next] net/core: fix for_each_netdev_feature

From: Jarod Wilson <jarod@...hat.com>
Date: Tue,  3 Nov 2015 10:15:59 -0500

> As pointed out by Nikolay and further explained by Geert, the initial
> for_each_netdev_feature macro was broken, as feature would get set outside
> of the block of code it was intended to run in, thus only ever working for
> the first feature bit in the mask. While less pretty this way, this is
> tested and confirmed functional with multiple feature bits set in
> NETIF_F_UPPER_DISABLES.
 ...
> Fixes: fd867d51f ("net/core: generic support for disabling netdev features down stack")
 ...
> Signed-off-by: Jarod Wilson <jarod@...hat.com>

Applied.
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