From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH -next V3] ip_tunnel: return more precise errno value
 when adding tunnel fails
Date: Mon, 17 Feb 2014 00:07:42 -0500 (EST)
Message-ID: <20140217.000742.2266454591904373167.davem@davemloft.net>
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From: Florian Westphal <fw@strlen.de>
Date: Fri, 14 Feb 2014 13:14:39 +0100

> Currently this always returns ENOBUFS, because the return value of
> __ip_tunnel_create is discarded.
> 
> A more common failure is a duplicate name (EEXIST).  Propagate the real
> error code so userspace can display a more meaningful error message.
> 
> Signed-off-by: Florian Westphal <fw@strlen.de>

Applied, thanks Florian.