[PATCH v3 09/19] fs/kernel_read_file: Switch buffer size arg to size_t

[Mimi Zohar]

On Fri, 2020-07-24 at 14:36 -0700, 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 at broadcom.com>
> Signed-off-by: Kees Cook <keescook at chromium.org>

Reviewed-by: Mimi Zohar <zohar at linux.ibm.com>