NULL noise in drivers/net

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index 467d80d..9721279 100644
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -3056,7 +3056,7 @@
 	netif_carrier_off(dev);
 
 	gp->regs = ioremap(gemreg_base, gemreg_len);
-	if (gp->regs == 0UL) {
+	if (!gp->regs) {
 		printk(KERN_ERR PFX "Cannot map device registers, "
 		       "aborting.\n");
 		err = -EIO;