[PATCH v2] mm: module_alloc: check if size is 0

[Rusty Russell]

Joe Perches <joe at perches.com> writes:
> On Thu, 2013-06-27 at 15:23 -0700, Andrew Morton wrote:
>> On Thu, 27 Jun 2013 11:39:17 +0200 Ralf Baechle <ralf at linux-mips.org> wrote:
> []
>> Veli-Pekka's original patch would be neater if we were to add a new
>> 
>> void *__vmalloc_node_range_zero_size_ok(<args>)
>> {
>> 	if (size == 0)
>> 		return NULL;
>
> I believe you mean
> 		return ZERO_SIZE_PTR;

Yes, this is the Right Fix.

Thanks,
Rusty.