diff -u linux-2.4.20/net/8021q/vlan.c linux-2.4.20-test/net/8021q/vlan.c
--- linux-2.4.20/net/8021q/vlan.c	2002-11-29 01:53:15.000000000 +0200
+++ linux-2.4.20-test/net/8021q/vlan.c	2003-01-30 20:19:12.000000000 +0200
@@ -171,6 +171,8 @@
 		next = *pprev;
 	}
 	*pprev = grp->next;
+	kfree (grp);
+	VLAN_MEM_DBG("vlan_group kfree, addr: %p  size: %i\n", grp, sizeof(struct vlan_group));
 }
 
 /*  Find the protocol handler.  Assumes VID < VLAN_VID_MASK.
@@ -509,6 +545,7 @@
 	 */
 	if (!grp) { /* need to add a new group */
 		grp = kmalloc(sizeof(struct vlan_group), GFP_KERNEL);
+		VLAN_MEM_DBG("vlan_group malloc, addr: %p  size: %i\n", grp, sizeof(struct vlan_group));
 		if (!grp)
 			goto out_free_newdev_priv;
 					
@@ -546,9 +583,13 @@
 
 out_free_newdev_priv:
 	kfree(new_dev->priv);
+	VLAN_MEM_DBG("new_dev->priv kfree, addr: %p  size: %i\n",
+		     new_dev->priv, sizeof(struct vlan_dev_info));
 
 out_free_newdev:
 	kfree(new_dev);
+	VLAN_MEM_DBG("net_device kfree, addr: %p  size: %i\n",
+		     new_dev, sizeof (struct net_device));
 
 out_unlock:
 	rtnl_unlock();
diff -u linux-2.4.20/net/8021q/vlan_dev.c linux-2.4.20-test/net/8021q/vlan_dev.c
--- linux-2.4.20/net/8021q/vlan_dev.c	2002-11-29 01:53:15.000000000 +0200
+++ linux-2.4.20-test/net/8021q/vlan_dev.c	2003-01-30 20:06:26.000000000 +0200
@@ -171,7 +171,7 @@
 
 #ifdef VLAN_DEBUG
 		printk(VLAN_DBG "%s: dropping skb: %p because came in on wrong device, dev: %s  real_dev: %s, skb_dev: %s\n",
-			__FUNCTION__ skb, dev->name, 
+			__FUNCTION__, skb, dev->name, 
 			VLAN_DEV_INFO(skb->dev)->real_dev->name, 
 			skb->dev->name);
 #endif
@@ -783,8 +783,13 @@
 				BUG();
 
 			kfree(dev->priv);
+			VLAN_MEM_DBG("dev->priv kfree, addr: %p  size: %i\n",
+				     dev->priv, sizeof(struct vlan_dev_info));
 			dev->priv = NULL;
 		}
+		/* will be deleted by kernel */
+		VLAN_MEM_DBG("net_device kfree, addr: %p  size: %i\n",
+			     dev, sizeof (struct net_device));
 	}
 }