From 4aea39c11c610e411768649fdc04777903ebfe07 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Sun, 3 Jun 2012 20:33:21 +0000
Subject: [PATCH] tcp: tcp_make_synack() consumes dst parameter

tcp_make_synack() clones the dst, and callers release it.

We can avoid two atomic operations per SYNACK if tcp_make_synack()
consumes dst instead of cloning it.

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