From: Hanjun Guo Date: Mon, 11 May 2015 04:17:18 +0000 (+0800) Subject: ACPI / processor: return specific error instead of -1 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d3da7cb9d243c484fcb05e6c16f55090fba99702;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git 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 Signed-off-by: Rafael J. Wysocki --- diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index b1ec78b8a645..fd4140dabbf1 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -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)