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Message-Id: <20150516.170944.202404920989150129.davem@davemloft.net>
Date: Sat, 16 May 2015 17:09:44 -0400 (EDT)
From: David Miller <davem@...emloft.net>
To: herbert@...dor.apana.org.au
Cc: eric.dumazet@...il.com, tgraf@...g.ch, netdev@...r.kernel.org,
ying.xue@...driver.com
Subject: Re: [net] netlink: Reset portid after netlink_insert failure
From: Herbert Xu <herbert@...dor.apana.org.au>
Date: Sat, 16 May 2015 21:50:28 +0800
> The commit c5adde9468b0714a051eac7f9666f23eb10b61f7 ("netlink:
> eliminate nl_sk_hash_lock") breaks the autobind retry mechanism
> because it doesn't reset portid after a failed netlink_insert.
>
> This means that should autobind fail the first time around, then
> the socket will be stuck in limbo as it can never be bound again
> since it already has a non-zero portid.
>
> Fixes: c5adde9468b0 ("netlink: eliminate nl_sk_hash_lock")
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
Looks good, applied and queued up for -stable.
Thanks!
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