if (rrpriv->tx_skbuff[cons]){
                len = min_t(int, 0x80, rrpriv->tx_skbuff[cons]->len);
                printk("skbuff for cons %i is valid - dumping data (0x%x bytes - skbuff len 0x%x)\n", cons, len, rrpriv->tx_skbuff[cons]->len);
-               printk("mode 0x%x, size 0x%x,\n phys %08Lx, skbuff-addr %08lx, truesize 0x%x\n",
+               printk("mode 0x%x, size 0x%x,\n phys %08Lx, skbuff-addr %p, truesize 0x%x\n",
                       rrpriv->tx_ring[cons].mode,
                       rrpriv->tx_ring[cons].size,
                       (unsigned long long) rrpriv->tx_ring[cons].addr.addrlo,
-                      (unsigned long)rrpriv->tx_skbuff[cons]->data,
+                      rrpriv->tx_skbuff[cons]->data,
                       (unsigned int)rrpriv->tx_skbuff[cons]->truesize);
                for (i = 0; i < len; i++){
                        if (!(i & 7))