From: Will Deacon <will.deacon@arm.com>
Date: Fri, 25 Feb 2011 19:19:32 +0000 (+0100)
Subject: ARM: 6767/1: ptrace: fix register indexing in GETHBPREGS request
X-Git-Tag: v2.6.38-rc8~2^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ba55d3db9bb59a52fe45dbc5d62776adbb289e54;p=pandora-kernel.git

ARM: 6767/1: ptrace: fix register indexing in GETHBPREGS request

The GETHBPREGS ptrace request incorrectly maps its index argument onto
the thread's saved debug state when the index != 0. This has not yet
been seen from userspace because GDB (the only user of this request)
only reads from register 0.

This patch fixes the indexing.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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