From: Darrick J. Wong <djwong@us.ibm.com>
Date: Thu, 22 Oct 2009 01:01:37 +0000 (-0700)
Subject: acpi-power-meter: Don't leak ACPI error codes to userspace
X-Git-Tag: v2.6.32-rc7~65^2~1^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22aecebfd9498c4779e5c5bed1d2d054bd99f7a4;p=pandora-kernel.git

acpi-power-meter: Don't leak ACPI error codes to userspace

If the ACPI methods return an error code, we must return -EINVAL to userspace
to flag the error.  Right now we pass the (positive) number right through,
which causes echo to keep writing bogus values.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
---

Reading git-diff-tree failed