From 70fc69bc5a54d9776ace7c99d46eb533f8fb6e89 Mon Sep 17 00:00:00 2001
From: "Lee A. Roberts" <lee.roberts@hp.com>
Date: Thu, 28 Feb 2013 04:37:27 +0000
Subject: [PATCH] sctp: fix association hangs due to off-by-one errors in
 sctp_tsnmap_grow()

In sctp_tsnmap_mark(), correct off-by-one error when calculating
size value for sctp_tsnmap_grow().

In sctp_tsnmap_grow(), correct off-by-one error when copying
and resizing the tsnmap.  If max_tsn_seen is in the LSB of the
word, this bit can be lost, causing the corresponding packet
to be transmitted again and to be entered as a duplicate into
the SCTP reassembly/ordering queues.  Change parameter name
from "gap" (zero-based index) to "size" (one-based) to enhance
code readability.

Signed-off-by: Lee A. Roberts <lee.roberts@hp.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
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