netdev - Re: [PATCH net v2 1/2] ip6mr: only set ip6mr_table from setsockopt when ip6mr_new

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Date:   Tue, 05 Jun 2018 12:30:50 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     sd@...asysnail.net
Cc:     netdev@...r.kernel.org, edumazet@...gle.com,
        nikolay@...ulusnetworks.com, yuvalm@...lanox.com,
        ivecera@...hat.com
Subject: Re: [PATCH net v2 1/2] ip6mr: only set ip6mr_table from setsockopt
 when ip6mr_new_table succeeds

From: Sabrina Dubroca <sd@...asysnail.net>
Date: Tue,  5 Jun 2018 15:01:59 +0200

> Currently, raw6_sk(sk)->ip6mr_table is set unconditionally during
> ip6_mroute_setsockopt(MRT6_TABLE). A subsequent attempt at the same
> setsockopt will fail with -ENOENT, since we haven't actually created
> that table.
> 
> A similar fix for ipv4 was included in commit 5e1859fbcc3c ("ipv4: ipmr:
> various fixes and cleanups").
> 
> Fixes: d1db275dd3f6 ("ipv6: ip6mr: support multiple tables")
> Signed-off-by: Sabrina Dubroca <sd@...asysnail.net>

Applied and queued up for -stable.