From: Eric Dumazet <edumazet@google.com>
Date: Wed, 4 Jul 2012 22:30:09 +0000 (+0000)
Subject: ipv4: defer fib_compute_spec_dst() call
X-Git-Tag: v3.6-rc1~125^2~304
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bf5e53e3717ed28be69d0663c65962d1731e7ee4;p=pandora-kernel.git

ipv4: defer fib_compute_spec_dst() call

ip_options_compile() can avoid calling fib_compute_spec_dst()
by default, and perform the call only if needed.

David suggested to add a helper to make the call only once.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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