Re: [PATCH 1/2] mm: cma: fix the name of CMA areas

From: Mike Kravetz
Date: Wed Jun 03 2020 - 13:27:32 EST

On 6/3/20 1:40 AM, Barry Song wrote:
> if users give a name saved in stack, the current code will generate magic
> pointer.
> if users don't give a name(NULL), kasprintf() will always return NULL as
> we are at the early stage. that means cma_init_reserved_mem() will return
> -ENOMEM if users set name parameter as NULL.
> Cc: Roman Gushchin <guro@xxxxxx>
> Signed-off-by: Barry Song <song.bao.hua@xxxxxxxxxxxxx>

Thank you

Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>

Mike Kravetz