From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 9 Jun 2010 16:33:05 +0000 (+0000)
Subject: econet: fix locking
X-Git-Tag: v2.6.36-rc1~571^2~603
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0c78a92fbd655ab990e2799f645707f05f548e2f;p=pandora-kernel.git

econet: fix locking

econet lacks proper locking. It holds econet_lock only when inserting or
deleting an entry in econet_sklist, not during lookups.

- convert econet_lock from rwlock to spinlock

- use econet_lock in ec_listening_socket() lookup

- use appropriate sock_hold() / sock_put() to avoid corruptions.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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