From: Lee A. Roberts <lee.roberts@hp.com>
Date: Thu, 28 Feb 2013 04:37:27 +0000 (+0000)
Subject: sctp: fix association hangs due to off-by-one errors in sctp_tsnmap_grow()
X-Git-Tag: v3.9-rc2~24^2~25^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=70fc69bc5a54d9776ace7c99d46eb533f8fb6e89;p=pandora-kernel.git

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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