netdev - Re: [PATCH net] net: fix feature changes on devices without ndo_set

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Message-Id: <20151116.145635.1625494915754780979.davem@davemloft.net>
Date:	Mon, 16 Nov 2015 14:56:35 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	razor@...ckwall.org
Cc:	netdev@...r.kernel.org, nikolay@...ulusnetworks.com,
	jarod@...hat.com, jiri@...nulli.us, idosch@...lanox.com,
	linux@...elenboom.it, gospo@...ulusnetworks.com,
	f.fainelli@...il.com
Subject: Re: [PATCH net] net: fix feature changes on devices without
 ndo_set_features

From: Nikolay Aleksandrov <razor@...ckwall.org>
Date: Fri, 13 Nov 2015 14:54:01 +0100

> From: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
> 
> When __netdev_update_features() was updated to ensure some features are
> disabled on new lower devices, an error was introduced for devices which
> don't have the ndo_set_features() method set. Before we'll just set the
> new features, but now we return an error and don't set them. Fix this by
> returning the old behaviour and setting err to 0 when ndo_set_features
> is not present.
> 
> Fixes: e7868a85e1b2 ("net/core: ensure features get disabled on new lower devs")
> CC: Jarod Wilson <jarod@...hat.com>
> CC: Jiri Pirko <jiri@...nulli.us>
> CC: Ido Schimmel <idosch@...lanox.com>
> CC: Sander Eikelenboom <linux@...elenboom.it>
> CC: Andy Gospodarek <gospo@...ulusnetworks.com>
> CC: Florian Fainelli <f.fainelli@...il.com>
> Signed-off-by: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>

Applied.
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