summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorHanjun Guo <hanjun.guo@linaro.org>2015-05-11 12:17:18 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-05-13 23:28:16 +0200
commitd3da7cb9d243c484fcb05e6c16f55090fba99702 (patch)
tree6c0130780d6ff562c0792bd6d8f9a7de845a641a
parent8416c5bda17c1c4f5bd710ef6ebba8827a719e74 (diff)
downloadlinux-d3da7cb9d243c484fcb05e6c16f55090fba99702.tar.bz2
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>
-rw-r--r--drivers/acpi/processor_core.c6
1 files changed, 3 insertions, 3 deletions
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)