[PATCH] initialize a spin lock in gianfar driver

[Kumar Gala]

Initialize the mdio_lock spin lock in mii_info struct, which is otherwise 
accessed prior to initialization.

Signed-off-by: Jaka Mocnik <jaka at activetools.si>
Signed-off-by: Kumar Gala <kumar.gala at freescale.com>

---

diff -Nru a/drivers/net/gianfar.c b/drivers/net/gianfar.c
--- a/drivers/net/gianfar.c     2005-03-04 23:03:27 -06:00
+++ b/drivers/net/gianfar.c     2005-03-04 23:03:27 -06:00
@@ -377,6 +377,8 @@
                        ADVERTISED_1000baseT_Full);
        mii_info->autoneg = 1;
 
+       spin_lock_init(&mii_info->mdio_lock);
+
        mii_info->mii_id = priv->einfo->phyid;
 
        mii_info->dev = dev;