netdev - Re: [PATCH ] ipv6: handle the update of the NDISC_REDIRECT error code in icmpv6_err

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Date:	Wed, 18 Sep 2013 12:36:13 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	duanj.fnst@...fujitsu.com
Cc:	netdev@...r.kernel.org, hannes@...essinduktion.org
Subject: Re: [PATCH ] ipv6: handle the update of the NDISC_REDIRECT error
 code in icmpv6_err_convert

From: Duan Jiong <duanj.fnst@...fujitsu.com>
Date: Wed, 18 Sep 2013 20:04:48 +0800

> From: Duan Jiong <duanj.fnst@...fujitsu.com>
> 
> when dealing with redirect message in udpv6_err() and
> rawv6_err() the err shoud be assigned to 0, not EPROTO.
> 
> Signed-off-by: Duan Jiong <duanj.fnst@...fujitsu.com>

No, you should fix this the same way you handled DCCP, but skipping
the whole socket error setting path for NDISC_REDIRECT.

Clearing the socket error to zero is not correct, it means you will
lose any existing error setting.
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