netdev - Re: [PATCH] net: phy: dp83867: fix get nvmem cell fail

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <Yu12E/NGEzCfPNVT@lunn.ch>
Date:   Fri, 5 Aug 2022 21:57:07 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Nikita Shubin <nikita.shubin@...uefel.me>
Cc:     linux@...ro.com, Nikita Shubin <n.shubin@...ro.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: phy: dp83867: fix get nvmem cell fail

On Fri, Aug 05, 2022 at 11:48:43AM +0300, Nikita Shubin wrote:
> From: Nikita Shubin <n.shubin@...ro.com>
> 
> If CONFIG_NVMEM is not set of_nvmem_cell_get, of_nvmem_device_get
> functions will return ERR_PTR(-EOPNOTSUPP) and "failed to get nvmem
> cell io_impedance_ctrl" error would be reported despite "io_impedance_ctrl"
> is completely missing in Device Tree and we should use default values.
> 
> Check -EOPNOTSUPP togather with -ENOENT to avoid this situation.

Should be 'together'

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

    Andrew