linux-kernel - Re: [PATCH v4 06/17] fs/kernel_read_file: Remove redundant size argument

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Message-ID: <alpine.LRH.2.21.2007301224500.3625@namei.org>
Date:   Thu, 30 Jul 2020 12:25:05 +1000 (AEST)
From:   James Morris <jmorris@...ei.org>
To:     Kees Cook <keescook@...omium.org>
cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Scott Branden <scott.branden@...adcom.com>,
        Mimi Zohar <zohar@...ux.ibm.com>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Takashi Iwai <tiwai@...e.de>, 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 v4 06/17] fs/kernel_read_file: Remove redundant size
 argument

On Wed, 29 Jul 2020, 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>
> Reviewed-by: Mimi Zohar <zohar@...ux.ibm.com>
> Reviewed-by: Luis Chamberlain <mcgrof@...nel.org>
> Signed-off-by: Kees Cook <keescook@...omium.org>

Reviewed-by: James Morris <jamorris@...ux.microsoft.com>

-- 
James Morris
<jmorris@...ei.org>