8021q: Convert compare_ether_addr to ether_addr_equal

Use the new bool function ether_addr_equal to add
some clarity and reduce the likelihood for misuse
of compare_ether_addr for sorting.

Done via cocci script:

$ cat compare_ether_addr.cocci
@@
expression a,b;
@@
- !compare_ether_addr(a, b)
+ ether_addr_equal(a, b)

@@
expression a,b;
@@
- compare_ether_addr(a, b)
+ !ether_addr_equal(a, b)

@@
expression a,b;
@@
- !ether_addr_equal(a, b) == 0
+ ether_addr_equal(a, b)

@@
expression a,b;
@@
- !ether_addr_equal(a, b) != 0
+ !ether_addr_equal(a, b)

@@
expression a,b;
@@
- ether_addr_equal(a, b) == 0
+ !ether_addr_equal(a, b)

@@
expression a,b;
@@
- ether_addr_equal(a, b) != 0
+ ether_addr_equal(a, b)

@@
expression a,b;
@@
- !!ether_addr_equal(a, b)
+ ether_addr_equal(a, b)

Signed-off-by: Joe Perches <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/8021q/vlan.c

···
 	struct vlan_dev_priv *vlan = vlan_dev_priv(vlandev);
 
 	/* May be called without an actual change */
-	if (!compare_ether_addr(vlan->real_dev_addr, dev->dev_addr))
+	if (ether_addr_equal(vlan->real_dev_addr, dev->dev_addr))
 		return;
 
 	/* vlan address was different from the old address and is equal to
 	 * the new address */
-	if (compare_ether_addr(vlandev->dev_addr, vlan->real_dev_addr) &&
-	    !compare_ether_addr(vlandev->dev_addr, dev->dev_addr))
+	if (!ether_addr_equal(vlandev->dev_addr, vlan->real_dev_addr) &&
+	    ether_addr_equal(vlandev->dev_addr, dev->dev_addr))
 		dev_uc_del(dev, vlandev->dev_addr);
 
 	/* vlan address was equal to the old address and is different from
 	 * the new address */
-	if (!compare_ether_addr(vlandev->dev_addr, vlan->real_dev_addr) &&
-	    compare_ether_addr(vlandev->dev_addr, dev->dev_addr))
+	if (ether_addr_equal(vlandev->dev_addr, vlan->real_dev_addr) &&
+	    !ether_addr_equal(vlandev->dev_addr, dev->dev_addr))
 		dev_uc_add(dev, vlandev->dev_addr);
 
 	memcpy(vlan->real_dev_addr, dev->dev_addr, ETH_ALEN);

net/8021q/vlan_core.c

···
 		/* Our lower layer thinks this is not local, let's make sure.
 		 * This allows the VLAN to have a different MAC than the
 		 * underlying device, and still route correctly. */
-		if (!compare_ether_addr(eth_hdr(skb)->h_dest,
-					vlan_dev->dev_addr))
+		if (ether_addr_equal(eth_hdr(skb)->h_dest, vlan_dev->dev_addr))
 			skb->pkt_type = PACKET_HOST;
 	}
 

net/8021q/vlan_dev.c

···
 	    !(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
 		return -ENETDOWN;
 
-	if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr)) {
+	if (!ether_addr_equal(dev->dev_addr, real_dev->dev_addr)) {
 		err = dev_uc_add(real_dev, dev->dev_addr);
 		if (err < 0)
 			goto out;
···
 	if (dev->flags & IFF_ALLMULTI)
 		dev_set_allmulti(real_dev, -1);
 del_unicast:
-	if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
+	if (!ether_addr_equal(dev->dev_addr, real_dev->dev_addr))
 		dev_uc_del(real_dev, dev->dev_addr);
 out:
 	netif_carrier_off(dev);
···
 	if (dev->flags & IFF_PROMISC)
 		dev_set_promiscuity(real_dev, -1);
 
-	if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
+	if (!ether_addr_equal(dev->dev_addr, real_dev->dev_addr))
 		dev_uc_del(real_dev, dev->dev_addr);
 
 	netif_carrier_off(dev);
···
 	if (!(dev->flags & IFF_UP))
 		goto out;
 
-	if (compare_ether_addr(addr->sa_data, real_dev->dev_addr)) {
+	if (!ether_addr_equal(addr->sa_data, real_dev->dev_addr)) {
 		err = dev_uc_add(real_dev, addr->sa_data);
 		if (err < 0)
 			return err;
 	}
 
-	if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
+	if (!ether_addr_equal(dev->dev_addr, real_dev->dev_addr))
 		dev_uc_del(real_dev, dev->dev_addr);
 
 out: