Re: [PATCH v4 07/17] fs/kernel_read_file: Switch buffer size arg to size_t

From: James Morris
Date: Wed Jul 29 2020 - 22:25:35 EST


On Wed, 29 Jul 2020, Kees Cook wrote:

> In preparation for further refactoring of kernel_read_file*(), rename
> the "max_size" argument to the more accurate "buf_size", and correct
> its type to size_t. Add kerndoc to explain the specifics of how the
> arguments will be used. Note that with buf_size now size_t, it can no
> longer be negative (and was never called with a negative value). Adjust
> callers to use it as a "maximum size" when *buf is NULL.
>
> Acked-by: Scott Branden <scott.branden@xxxxxxxxxxxx>
> Reviewed-by: Mimi Zohar <zohar@xxxxxxxxxxxxx>
> Reviewed-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>


Reviewed-by: James Morris <jamorris@xxxxxxxxxxxxxxxxxxx>


--
James Morris
<jmorris@xxxxxxxxx>