linux-kernel - Re: [PATCH net-next v2 02/10] net: dsa: debugfs: add tree

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Message-ID: <20170908144028.GA13685@kroah.com>
Date:   Fri, 8 Sep 2017 16:40:28 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...oirfairelinux.com,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Egil Hjelmeland <privat@...l-hjelmeland.no>,
        John Crispin <john@...ozen.org>,
        Woojung Huh <Woojung.Huh@...rochip.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Nikita Yushchenko <nikita.yoush@...entembedded.com>,
        Chris Healy <cphealy@...il.com>
Subject: Re: [PATCH net-next v2 02/10] net: dsa: debugfs: add tree

On Fri, Sep 08, 2017 at 10:18:27AM -0400, Vivien Didelot wrote:
> Hi Greg,
> 
> Can I ask for a quick review of this patch as well? It's the one adding
> the boilerplate for a single debugfs file, and I'm pretty sure it can be
> reduced somehow.

I don't see a patch here :(

> Also more important, you will notice what seems to be a bug to me:
> I can read or write a file even if I didn't mask the corresponding mode,
> hence the double check in dsa_debugfs_show and dsa_debugfs_write.

The mode can be changed by userspace, you shouldn't ever need to check
it in any debugfs calls, right?

thanks,

greg k-h