linux-kernel - Re: [PATCH v2] rfkill: uapi: fix RFKILL_IOCTL_MAX

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Message-ID: <20220507084514.GA5026@altlinux.org>
Date:   Sat, 7 May 2022 11:45:14 +0300
From:   "Dmitry V. Levin" <ldv@...linux.org>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     Gleb Fotengauer-Malinovskiy <glebfm@...linux.org>,
        Johannes Berg <johannes@...solutions.net>,
        Kalle Valo <kvalo@...nel.org>, linux-wireless@...r.kernel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH v2] rfkill: uapi: fix RFKILL_IOCTL_MAX_SIZE ioctl request
 definition

On Sat, May 07, 2022 at 09:05:57AM +0200, Greg KH wrote:
> On Fri, May 06, 2022 at 05:24:54PM +0000, Gleb Fotengauer-Malinovskiy wrote:
> > Fixes: 54f586a91532 ("rfkill: make new event layout opt-in")
> > Cc: stable@...r.kernel.org # 5.11+
> > Signed-off-by: Gleb Fotengauer-Malinovskiy <glebfm@...linux.org>
> > ---
> 
> No changelog text at all?  I know I don't take patches like that, maybe
> other subsystem maintainers are more lax?
> 
> Please provide a changelog...

The definition of RFKILL_IOCTL_MAX_SIZE introduced by commit 54f586a91532
is unusable since it is based on RFKILL_IOC_EXT_SIZE which has not been
defined.  Fix that by replacing the undefined constant with the constant
which is intended to be used in this definition.

Signed-off-by: Dmitry V. Levin <ldv@...linux.org>


-- 
ldv