From: Dmitry Popov <ixaphire@qrator.net>
Date: Wed, 6 Aug 2014 22:38:22 +0000 (+0400)
Subject: tcp: md5: check md5 signature without socket lock
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~138^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9ea88a153001ffeb3d8810917e8eea62ca9b6f25;p=pandora-kernel.git

tcp: md5: check md5 signature without socket lock

Since a8afca032 (tcp: md5: protects md5sig_info with RCU) tcp_md5_do_lookup
doesn't require socket lock, rcu_read_lock is enough. Therefore socket lock is
no longer required for tcp_v{4,6}_inbound_md5_hash too, so we can move these
calls (wrapped with rcu_read_{,un}lock) before bh_lock_sock:
from tcp_v{4,6}_do_rcv to tcp_v{4,6}_rcv.

Signed-off-by: Dmitry Popov <ixaphire@qrator.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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