ACPI: use kstrto*() instead of simple_strto*()
simple_strto*() are obsolete; use kstrto*() instead. Add proper error
checking.
Signed-off-by: Christoph Jaeger <christophjaeger@linux.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 05550ba..6d5a6cd 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -360,7 +360,8 @@
if (!str)
return -EINVAL;
- acpi_apic_instance = simple_strtoul(str, NULL, 0);
+ if (kstrtoint(str, 0, &acpi_apic_instance))
+ return -EINVAL;
pr_notice("Shall use APIC/MADT table %d\n", acpi_apic_instance);
