On Sat, 05 Jul 2008 15:53:35 +0400 Cyrill Gorcunov <gorcunov@xxxxxxxxx> wrote:
> Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxx>
> ---
>
> Index: linux-2.6.git/drivers/acpi/tables.c
> ====================================================================
> --- linux-2.6.git.orig/drivers/acpi/tables.c 2008-01-21 23:14:47.000000000 +0300
> +++ linux-2.6.git/drivers/acpi/tables.c 2008-07-05 12:24:16.000000000 +0400
> @@ -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);
>
Could you please explain this patch?
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