From: Lennart Schulte <lennart.schulte@nets.rwth-aachen.de>
Date: Wed, 17 Mar 2010 02:16:29 +0000 (+0000)
Subject: tcp: Fix tcp_mark_head_lost() with packets == 0
X-Git-Tag: v2.6.34-rc3~84^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6830c25b7d08fbbd922959425193791bc42079f2;p=pandora-kernel.git

tcp: Fix tcp_mark_head_lost() with packets == 0

A packet is marked as lost in case packets == 0, although nothing should be done.
This results in a too early retransmitted packet during recovery in some cases.
This small patch fixes this issue by returning immediately.

Signed-off-by: Lennart Schulte <lennart.schulte@nets.rwth-aachen.de>
Signed-off-by: Arnd Hannemann <hannemann@nets.rwth-aachen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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