From: Andrew Lunn <and...@lunn.ch>
Date: Tue, 25 Sep 2018 01:50:00 +0200
> A HWMON device is only registered is the SFP module supports the
> diagnostic page and is complient to SFF8472. Don't unconditionally
> unregister the hwmon device when the SFP module is remove, otherwise
> we access data structures which don't exist.
>
> Reported-by: Florian Fainelli <f.faine...@gmail.com>
> Fixes: 1323061a018a ("net: phy: sfp: Add HWMON support for module sensors")
> Signed-off-by: Andrew Lunn <and...@lunn.ch>
Applied.
