[PATCH] [POWEPC] crashdump: do not fail on null pointer dereferencing

[Vitaly Wool]

Hi,

> diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
> index 6f4613d..341d8af 100644
> --- a/arch/powerpc/kernel/crash.c
> +++ b/arch/powerpc/kernel/crash.c
> @@ -375,6 +375,9 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
>        for_each_irq(i) {
>                struct irq_desc *desc = irq_to_desc(i);
>
> +               if (!desc || !desc->chip || !desc->chip->eoi)
> +                       continue;
> +

Kinda unlikely that desc can be NULL here :)

~Vitaly