netdev - Re: [PATCH][V2] nfp: check idx is -ENOSPC before using it is an index

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Message-Id: <20160711.135218.1535273154348680313.davem@davemloft.net>
Date:	Mon, 11 Jul 2016 13:52:18 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	colin.king@...onical.com
Cc:	jakub.kicinski@...ronome.com, lauro.venancio@...nbossa.org,
	aloisio.almeida@...nbossa.org, sameo@...ux.intel.com,
	rolf.neugebauer@...ronome.com, christophe.ricard@...il.com,
	robert.dolca@...el.com, oss-drivers@...ronome.com,
	netdev@...r.kernel.org, linux-wireless@...r.kernel.org
Subject: Re: [PATCH][V2] nfp: check idx is -ENOSPC before using it is an
 index

From: Colin King <colin.king@...onical.com>
Date: Mon, 11 Jul 2016 16:54:20 +0100

> From: Colin Ian King <colin.king@...onical.com>
> 
> idx can be returned as -ENOSPC, so we should check for this first
> before using it as an index into nn->vxlan_usecnt[] to avoid an
> out of bounds array offset read.
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

Applied to net-next.