phy: mdiobus_register(): initialize all phy_map entries

make sure phy_map entries whose PHY address is masked are initialized
to NULL, given that other code (such as mdiobus_unregister for
instance) assumes that non-NULL phy_map entries are allocated
phy_devices

Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 459443b572ce..1b236bdf6b92 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -60,8 +60,10 @@ int mdiobus_register(struct mii_bus *bus)
         for (i = 0; i < PHY_MAX_ADDR; i++) {
                 struct phy_device *phydev;
 
-                if (bus->phy_mask & (1 << i))
+                if (bus->phy_mask & (1 << i)) {
+                        bus->phy_map[i] = NULL;
                         continue;
+                }
 
                 phydev = get_phy_device(bus, i);