Fixes a crash observed on Octeon. Signed-off-by: Ruslan Babayev <rus...@babayev.com> Fixes: ec988ad78ed6 ("phy: Don't increment MDIO bus refcount unless it's a different owner") --- drivers/net/phy/phy_device.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 9c06f8028f0c..043328b85643 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -905,7 +905,8 @@ EXPORT_SYMBOL(phy_attached_print); int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, u32 flags, phy_interface_t interface) { - struct module *ndev_owner = dev->dev.parent->driver->owner; + struct device *parent = dev->dev.parent; + struct module *ndev_owner = parent ? parent->driver->owner : NULL; struct mii_bus *bus = phydev->mdio.bus; struct device *d = &phydev->mdio.dev; int err; -- 2.7.4