phylib: move to dynamic allocation of struct mii_bus

This patch introduces mdiobus_alloc() and mdiobus_free(), and
makes all mdio bus drivers use these functions to allocate their
struct mii_bus'es dynamically.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Andy Fleming <afleming@freescale.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/net/gianfar_mii.c b/drivers/net/gianfar_mii.c
index 38895b0e376d..bf73eea98010 100644
--- a/drivers/net/gianfar_mii.c
+++ b/drivers/net/gianfar_mii.c
@@ -164,8 +164,7 @@ static int gfar_mdio_probe(struct device *dev)
         if (NULL == dev)
                 return -EINVAL;
 
-        new_bus = kzalloc(sizeof(struct mii_bus), GFP_KERNEL);
-
+        new_bus = mdiobus_alloc();
         if (NULL == new_bus)
                 return -ENOMEM;
 
@@ -242,7 +241,7 @@ static int gfar_mdio_probe(struct device *dev)
 bus_register_fail:
         iounmap(regs);
 reg_map_fail:
-        kfree(new_bus);
+        mdiobus_free(new_bus);
 
         return err;
 }
@@ -258,7 +257,7 @@ static int gfar_mdio_remove(struct device *dev)
 
         iounmap((void __iomem *)bus->priv);
         bus->priv = NULL;
-        kfree(bus);
+        mdiobus_free(bus);
 
         return 0;
 }