From: Florian Fainelli <f.faine...@gmail.com>
Date: Tue, 22 Aug 2017 14:26:47 -0700
> Priit reported that stmmac was crashing with the trace below. This is because
> phy_attached_print() is called too early right after the PHY device has been
> found, but before it has a driver attached, since that is only done in
> phy_probe() which occurs later.
>
> Fix this by dealing with a possibly NULL phydev->drv point since that can
> happen here, but could also happen if we voluntarily did an unbind of the
> PHY device with the PHY driver.
...
> Tested-By: Priit Laes <pl...@plaes.org>
> Fixes: fbca164776e4 ("net: stmmac: Use the right logging function in
> stmmac_mdio_register")
> Signed-off-by: Florian Fainelli <f.faine...@gmail.com>
"net-next"? The commit which introduced this problem is in 'net', don't we want
to fix it there?
