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Date:	Mon, 19 Mar 2012 18:04:15 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	nick.jones@...work-box.com
Cc:	eric.dumazet@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v4] ipv6: Allocate unique metrics for icmp6
 packets to prevent tainting dst metrics

From: Nick Jones <nick.jones@...work-box.com>
Date: Sun, 18 Mar 2012 01:43:39 +0800

> +		return ERR_CAST(-ENOMEM);

Really, please, stop wasting my time.  There is no way your compiler
didn't emit a warning for that garbage.

Furthermore, callers are only ready to handle NULL vs. non-NULL as
return values from this function.  So this return value you are adding
will result in crashes.
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