linux-kernel - Re: [PATCH] dsa: mv88e6xxx: fix debug print for SPEED

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Message-ID: <YboqDeIBwHE8+KcV@lunn.ch>
Date:   Wed, 15 Dec 2021 18:46:53 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Andrey Eremeev <Axtone4all@...dex.ru>
Cc:     Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, ldv-project@...uxtesting.org
Subject: Re: [PATCH] dsa: mv88e6xxx: fix debug print for SPEED_UNFORCED

On Wed, Dec 15, 2021 at 08:30:32PM +0300, Andrey Eremeev wrote:
> Debug print uses invalid check to detect if speed is unforced:
> (speed != SPEED_UNFORCED) should be used instead of (!speed).
> 
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
> 
> Signed-off-by: Andrey Eremeev <Axtone4all@...dex.ru>
> Fixes: 96a2b40c7bd3 ("net: dsa: mv88e6xxx: add port's MAC speed setter")

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew