From: Thomas Graf <tgraf@suug.ch>
Date: Mon, 18 Jun 2012 12:08:33 +0000 (+0000)
Subject: ipv6: Move ipv6 proc file registration to end of init order
X-Git-Tag: v3.5-rc5~17^2~33
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d189634ecab947c10f6f832258b103d0bbfe73cc;p=pandora-kernel.git

ipv6: Move ipv6 proc file registration to end of init order

/proc/net/ipv6_route reflects the contents of fib_table_hash. The proc
handler is installed in ip6_route_net_init() whereas fib_table_hash is
allocated in fib6_net_init() _after_ the proc handler has been installed.

This opens up a short time frame to access fib_table_hash with its pants
down.

Move the registration of the proc files to a later point in the init
order to avoid the race.

Tested :-)

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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