From: Valentine <vbarshak@ru•mvista.com>
To: linuxppc-dev@ozlabs•org
Cc: netdev@vger•kernel.org
Subject: Re: [PATCH] pasemi_mac: ethtool get settings fix
Date: Mon, 05 Oct 2009 16:59:07 +0400 [thread overview]
Message-ID: <4AC9ED9B.5040400@ru.mvista.com> (raw)
In-Reply-To: <20091001222748.GA21276@ru.mvista.com>
Resending pasemi_mac ethtool patches...
Valentine Barshak wrote:
> Not all pasemi mac interfaces can have a phy attached.
> For example, XAUI has no phy and phydev is NULL for it.
> In this case ethtool get settings causes kernel crash.
> Fix it by returning -EOPNOTSUPP if there's no PHY attached.
>
> Signed-off-by: Valentine Barshak <vbarshak@ru•mvista.com>
> ---
> drivers/net/pasemi_mac_ethtool.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> --- linux-2.6.21.orig/drivers/net/pasemi_mac_ethtool.c 2008-11-06 18:10:38.000000000 +0300
> +++ linux-2.6.21/drivers/net/pasemi_mac_ethtool.c 2008-11-19 19:24:28.000000000 +0300
> @@ -71,6 +71,8 @@ pasemi_mac_ethtool_get_settings(struct n
> struct pasemi_mac *mac = netdev_priv(netdev);
> struct phy_device *phydev = mac->phydev;
>
> + if (!phydev)
> + return -EOPNOTSUPP;
> return phy_ethtool_gset(phydev, cmd);
> }
>
> _______________________________________________
> Linuxppc-dev mailing list
> Linuxppc-dev@lists•ozlabs.org
> https://lists.ozlabs.org/listinfo/linuxppc-dev
next prev parent reply other threads:[~2009-10-05 12:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-01 22:27 [PATCH] pasemi_mac: ethtool get settings fix Valentine Barshak
2009-10-05 12:59 ` Valentine [this message]
2009-10-05 13:27 ` Valentine Barshak
2009-10-06 16:10 ` Olof Johansson
2009-10-07 10:43 ` David Miller
2009-10-05 13:31 ` [PATCH] pasemi_mac: ethtool set settings support Valentine Barshak
2009-10-06 16:11 ` Olof Johansson
2009-10-12 11:25 ` David Miller
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