From: Mathias Krause <minipli@googlemail.com>
Date: Sat, 12 Jul 2014 20:36:44 +0000 (+0200)
Subject: neigh: sysctl - simplify address calculation of gc_* variables
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~289^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9ecf07a1d8f70f72ec99a0f102c8aa24609d84f4;p=pandora-kernel.git

neigh: sysctl - simplify address calculation of gc_* variables

The code in neigh_sysctl_register() relies on a specific layout of
struct neigh_table, namely that the 'gc_*' variables are directly
following the 'parms' member in a specific order. The code, though,
expresses this in the most ugly way.

Get rid of the ugly casts and use the 'tbl' pointer to get a handle to
the table. This way we can refer to the 'gc_*' variables directly.

Similarly seen in the grsecurity patch, written by Brad Spengler.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Brad Spengler <spender@grsecurity.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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