acpi_pad: fix error checks

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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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Chen Gong 2009-12-14 09:42:28 +08:00 • committed by Len Brown

parent 22763c5cf3

commit 3b8cb427e9

1 changed files with 20 additions and 17 deletions

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drivers/acpi/acpi_pad.c

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