netdev - Re: [PATCH 2/2] net/phy/mdio-mscc-miim: Move the setting of mii_bus structure members in mscc_miim

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]

Date:   Fri, 20 Sep 2019 21:13:50 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Markus Elfring <Markus.Elfring@....de>
Cc:     netdev@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Heiner Kallweit <hkallweit1@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 2/2] net/phy/mdio-mscc-miim: Move the setting of mii_bus
 structure members in mscc_miim_probe()

On Fri, Sep 20, 2019 at 09:03:57PM +0200, Markus Elfring wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Fri, 20 Sep 2019 20:42:42 +0200
> 
> Move the modification of some members in the data structure “mii_bus”
> for the local variable “bus” directly before the call of
> the function “of_mdiobus_register” so that this change will be performed
> only after previous resource allocations succeeded.

Hi Markus

I'm not sure it is worth making this change. The resource allocations
succeeds 99.9999% of the time. It is a chunk of MMIO, not some gpio,
or i2c device which might give us EPROBE_DEFERRED. So we are not
wasting anything in reality.

	Andrew