From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 28 Sep 2006 01:43:07 +0000 (-0700)
Subject: [IPV4]: INET_MATCH() annotations
X-Git-Tag: v2.6.19-rc1~858^2~50
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4f765d842fa6e6fe15d555b247b640118d65b4dd;p=pandora-kernel.git

[IPV4]: INET_MATCH() annotations

INET_MATCH() and friends depend on an interesting set of kludges:
	* there's a pair of adjacent fields in struct inet_sock - __be16 dport
followed by __u16 num.  We want to search by pair, so we combine the keys into
a single 32bit value and compare with 32bit value read from &...->dport.
	* on 64bit targets we combine comparisons with pair of adjacent __be32
fields in the same way.

Make sure that we don't mix those values with anything else and that pairs
we form them from have correct types.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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