linux-kernel - Re: [PATCH net-next 1/1] drivers/phylib: fix coverity issue

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Message-ID: <20230117192604.77a16822@kernel.org>
Date:   Tue, 17 Jan 2023 19:26:04 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Piergiorgio Beruto <piergiorgio.beruto@...il.com>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, Oleksij Rempel <o.rempel@...gutronix.de>,
        mailhol.vincent@...adoo.fr, sudheer.mogilappagari@...el.com,
        sbhatta@...vell.com, linux-doc@...r.kernel.org,
        wangjie125@...wei.com, corbet@....net, lkp@...el.com,
        gal@...dia.com, gustavoars@...nel.org, bagasdotme@...il.com
Subject: Re: [PATCH net-next 1/1] drivers/phylib: fix coverity issue

On Tue, 17 Jan 2023 22:47:53 +0100 Piergiorgio Beruto wrote:
> Subject: [PATCH net-next 1/1] drivers/phylib: fix coverity issue

The title of the patch should refer to the bug rather than which tool
found it.

here, for eaxmple:

  net: phy: fix use of uninit variable when setting PLCA config

> Coverity reported the following:
> 
> *** CID 1530573:    (UNINIT)
> drivers/net/phy/phy-c45.c:1036 in genphy_c45_plca_set_cfg()
> 1030     				return ret;
> 1031
> 1032     			val = ret;
> 1033     		}
> 1034
> 1035     		if (plca_cfg->node_cnt >= 0)
[snip]
> Signed-off-by: Piergiorgio Beruto <piergiorgio.beruto@...il.com>
> Reported-by: coverity-bot <keescook+coverity-bot@...omium.org>
> Addresses-Coverity-ID: 1530573 ("UNINIT")
> Fixes: 493323416fed ("drivers/net/phy: add helpers to get/set PLCA configuration")

nit: the tags are in somewhat unnatural order. Since you'll need to
respin for the subject change, this would be better:

Reported-by: coverity-bot <keescook+coverity-bot@...omium.org>
Fixes: 493323416fed ("drivers/net/phy: add helpers to get/set PLCA configuration")
Signed-off-by: Piergiorgio Beruto <piergiorgio.beruto@...il.com>

(Yes, the custom coverity tag can go meet its friends in the bin)