diff options
| -rw-r--r-- | drivers/acpi/tables.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index c3419182c9a..775c97a282b 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -300,6 +300,8 @@ int __init acpi_table_init(void) static int __init acpi_parse_apic_instance(char *str) { + if (!str) + return -EINVAL; acpi_apic_instance = simple_strtoul(str, NULL, 0); |