From: Chen Gong <gong.chen@linux.intel.com>
Date: Mon, 14 Dec 2009 01:42:28 +0000 (+0800)
Subject: acpi_pad: fix error checks
X-Git-Tag: v2.6.33-rc5~9^2~9^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3b8cb427e9281790f36e847e46cb1d005a50cec0;p=pandora-kernel.git

acpi_pad: fix error checks

There are some fixes listed below:
1. When met a bogus BIOS, the return value of cpu number maybe is
   a negative value so that acpi_pad_pur get an unexpected result.
2. the return value of function acpi_pad_idle_cpus is useless.
3. enhance the process of create_power_saving_task/destroy_power_saving_task
4. Add more error checks when evaluating _PUR object.
5. one typo fix

Signed-off-by: Chen Gong <gong.chen@linux.intel.com>
Acked-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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