netdev - Re: [PATCH net] net: phylink: fix failure to register on x86 systems

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Message-ID: <20200103202557.GR1397@lunn.ch>
Date:   Fri, 3 Jan 2020 21:25:57 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Russell King <rmk+kernel@...linux.org.uk>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH net] net: phylink: fix failure to register on x86 systems

On Fri, Jan 03, 2020 at 03:13:56PM +0000, Russell King wrote:
> The kernel test robot reports a boot failure with qemu in 5.5-rc,
> referencing commit 2203cbf2c8b5 ("net: sfp: move fwnode parsing into
> sfp-bus layer"). This is caused by phylink_create() being passed a
> NULL fwnode, causing fwnode_property_get_reference_args() to return
> -EINVAL.
> 
> Don't attempt to attach to a SFP bus if we have no fwnode, which
> avoids this issue.
> 
> Reported-by: kernel test robot <rong.a.chen@...el.com>
> Fixes: 2203cbf2c8b5 ("net: sfp: move fwnode parsing into sfp-bus layer")
> Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>

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

    Andrew