net: remove driver_data direct access of struct device

In the near future, the driver core is going to not allow direct access
to the driver_data pointer in struct device.  Instead, the functions
dev_get_drvdata() and dev_set_drvdata() should be used.  These functions
have been around since the beginning, so are backwards compatible with
all older kernel versions.

Cc: netdev@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/smc-mca.c b/drivers/net/smc-mca.c
index 8d36d40..c791ef7 100644
--- a/drivers/net/smc-mca.c
+++ b/drivers/net/smc-mca.c
@@ -370,7 +370,7 @@
 
 	outb(reg4, ioaddr + 4);
 
-	gen_dev->driver_data = dev;
+	dev_set_drvdata(gen_dev, dev);
 
 	/* The 8390 isn't at the base address, so fake the offset
 	 */
@@ -531,7 +531,7 @@
 static int ultramca_remove(struct device *gen_dev)
 {
 	struct mca_device *mca_dev = to_mca_device(gen_dev);
-	struct net_device *dev = (struct net_device *)gen_dev->driver_data;
+	struct net_device *dev = dev_get_drvdata(gen_dev);
 
 	if (dev) {
 		/* NB: ultra_close_card() does free_irq */