netdev - Re: [PATCH net] ip6_tunnel: fix error code when tunnel exists

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Date:	Fri, 13 Mar 2015 12:32:31 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	nicolas.dichtel@...nd.com, netdev@...r.kernel.org,
	me@...rre-cheynier.net, steffen.klassert@...unet.com
Subject: Re: [PATCH net] ip6_tunnel: fix error code when tunnel exists

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Fri, 13 Mar 2015 06:43:47 -0700

> 
> These IS_ERR_OR_NULL(t) looks like defensive/lazy programming to me.
 ...
> I wish we get rid of all IS_ERR_OR_NULL() uses in networking tree,
> instead of adding plenty of them.

+1
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