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acpi: add checking for NULL early param
[deliverable/linux.git]
/
drivers
/
acpi
/
tables.c
diff --git
a/drivers/acpi/tables.c
b/drivers/acpi/tables.c
index c3419182c9a72fd033b765f1d48e4ea14c11256c..775c97a282bd0d036bdcee72e192d502e8ba08ea 100644
(file)
--- 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);
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