netdev - Re: [patch net-next v2 01/28] net: dev: Check CHANGEUPPER notifier return value

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Message-ID: <565F535E.3000501@cumulusnetworks.com>
Date:	Wed, 2 Dec 2015 21:23:58 +0100
From:	Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
To:	Jiri Pirko <jiri@...nulli.us>, netdev@...r.kernel.org
Cc:	davem@...emloft.net, idosch@...lanox.com, eladr@...lanox.com,
	yotamg@...lanox.com, ogerlitz@...lanox.com, j.vosburgh@...il.com,
	vfalico@...il.com, gospo@...ulusnetworks.com,
	dsa@...ulusnetworks.com, pjonnala@...adcom.com,
	f.fainelli@...il.com, sfeldma@...il.com, john.fastabend@...il.com,
	roopa@...ulusnetworks.com, andrew@...n.ch
Subject: Re: [patch net-next v2 01/28] net: dev: Check CHANGEUPPER notifier
 return value

On 12/02/2015 09:07 PM, Jiri Pirko wrote:
> From: Ido Schimmel <idosch@...lanox.com>
> 
> switchdev drivers reflect the newly requested topology to hardware when
> CHANGEUPPER is received, after software links were already formed.
> However, the operation can fail and user will not be notified, as the
> return value of the notifier is not checked.
> 
> Add this check and rollback software links if necessary.
> 
> Signed-off-by: Ido Schimmel <idosch@...lanox.com>
> Signed-off-by: Jiri Pirko <jiri@...lanox.com>
> ---
> v1->v2:
> -new patch
> ---

Reviewed-by: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>


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