From: Tejun Heo <htejun@gmail.com>
Date: Sun, 16 Aug 2009 12:21:21 +0000 (+0900)
Subject: libata: fix off-by-one error in ata_tf_read_block()
X-Git-Tag: v2.6.32-rc1~717^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ac8672ea922bde59acf50eaa1eaa1640a6395fd2;p=pandora-kernel.git

libata: fix off-by-one error in ata_tf_read_block()

ata_tf_read_block() has off-by-one error when converting CHS address
to LBA.  The bug isn't very visible because ata_tf_read_block() is
used only when generating sense data for a failed RW command and CHS
addressing isn't used too often these days.

This problem was spotted by Atsushi Nemoto.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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