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ACPI / processor: return specific error instead of -1 

Since invalid_logical_cpuid() can check error values, so
return specific error instead of -1 for acpi_map_cpuid().

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Hanjun Guo 2015-05-11 12:17:18 +08:00 committed by Rafael J. Wysocki
parent 8416c5bda1
commit d3da7cb9d2
1 changed files with 3 additions and 3 deletions
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6
drivers/acpi/processor_core.c
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@ -215,12 +215,12 @@ int acpi_map_cpuid(phys_cpuid_t phys_id, u32 acpi_id)
* Ignores phys_id and always returns 0 for the processor
* handle with acpi id 0 if nr_cpu_ids is 1.
* This should be the case if SMP tables are not found.
* Return -1 for other CPU's handle.
* Return -EINVAL for other CPU's handle.
*/
if (nr_cpu_ids <= 1 && acpi_id == 0)
return acpi_id;
else
return -1;
return -EINVAL;
}
#ifdef CONFIG_SMP
@ -233,7 +233,7 @@ int acpi_map_cpuid(phys_cpuid_t phys_id, u32 acpi_id)
if (phys_id == 0)
return phys_id;
#endif
return -1;
return -ENODEV;
}
int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)