[0/2] powerpc/powernv/vas: Adjustments for two function implementations

[Markus Elfring]

> This is explicit in Kernel documentation:
>
> /**
>   * kfree - free previously allocated memory
>   * @object: pointer returned by kmalloc() or kmem_cache_alloc()
>   *
>   * If @object is NULL, no operation is performed.
>   */
>
> That's exactly the same behaviour as free() in libc.
>
> So Coccinelle should be fixed if it reports an error for that.

Redundant function calls can occasionally be avoided accordingly,
can't they?

Regards,
Markus