Commit f0df2d6b authored Aug 20, 2008 by Cyrill Gorcunov Committed by Andi Kleen Aug 21, 2008

acpi: add checking for NULL early param



The early_param handling function could recieve NULL pointer as argument
in case if user didn't enter parameter value.  So we have to be ready for
a such situation and do check for NULL pointer if needed.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andi Kleen <ak@linux.intel.com>

parent 1371c893

drivers/acpi/tables.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -300,6 +300,8 @@ int __init acpi_table_init(void)

	static int __init acpi_parse_apic_instance(char *str)		static int __init acpi_parse_apic_instance(char *str)
	{		{
			if (!str)
			return -EINVAL;

	acpi_apic_instance = simple_strtoul(str, NULL, 0);		acpi_apic_instance = simple_strtoul(str, NULL, 0);