linux-kernel - Re: [PATCH v3 08/19] fs/kernel_read_file: Remove redundant size argument

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Date:   Mon, 27 Jul 2020 12:29:15 -0400
From:   Mimi Zohar <zohar@...nel.org>
To:     Kees Cook <keescook@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Scott Branden <scott.branden@...adcom.com>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Jessica Yu <jeyu@...nel.org>, SeongJae Park <sjpark@...zon.de>,
        KP Singh <kpsingh@...omium.org>, linux-efi@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        linux-integrity@...r.kernel.org, selinux@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 08/19] fs/kernel_read_file: Remove redundant size
 argument

On Fri, 2020-07-24 at 14:36 -0700, Kees Cook wrote:
> In preparation for refactoring kernel_read_file*(), remove the redundant
> "size" argument which is not needed: it can be included in the return
> code, with callers adjusted. (VFS reads already cannot be larger than
> INT_MAX.)
> 
> Acked-by: Scott Branden <scott.branden@...adcom.com>
> Signed-off-by: Kees Cook <keescook@...omium.org>

Reviewed-by: Mimi Zohar <zohar@...ux.ibm.com>