linux-kernel - Re: [PATCH] p54: add missing parentheses in p54

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Message-ID: <7cebf20083d2464e5f1467a406cda583ae2750a0.camel@sipsolutions.net>
Date:   Thu, 14 Jul 2022 11:45:02 +0200
From:   Johannes Berg <johannes@...solutions.net>
To:     Rustam Subkhankulov <subkhankulov@...ras.ru>,
        Christian Lamparter <chunkeey@...glemail.com>
Cc:     Kalle Valo <kvalo@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Alexey Khoroshilov <khoroshilov@...ras.ru>,
        ldv-project@...uxtesting.org
Subject: Re: [PATCH] p54: add missing parentheses in p54_flush()

On Thu, 2022-07-14 at 12:17 +0300, Rustam Subkhankulov wrote:
> The assignment of the value to the variable total in the loop
> condition must be enclosed in additional parentheses, since otherwise,
> in accordance with the precedence of the operators, the conjunction
> will be performed first, and only then the assignment.
> 
> Due to this error, a warning later in the function after the loop may
> not occur in the situation when it should.
> 
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
> 
> Signed-off-by: Rustam Subkhankulov <subkhankulov@...ras.ru>
> Fixes: d3466830c165 ("p54: move under intersil vendor directory")
> 

That fixes can't be right, it just moved the code.

johannes