dma_addr = dma_map_single(&adapter->vdev->dev, skb->data,
                                pool->buff_size, DMA_FROM_DEVICE);
 
-               if (dma_mapping_error((&adapter->vdev->dev, dma_addr))
+               if (dma_mapping_error(&adapter->vdev->dev, dma_addr))
                        goto failure;
 
                pool->free_map[free_index] = IBM_VETH_INVALID_MAP;
                pool->consumer_index = pool->size - 1;
        else
                pool->consumer_index--;
-       if (!dma_mapping_error((&adapter->vdev->dev, dma_addr))
+       if (!dma_mapping_error(&adapter->vdev->dev, dma_addr))
                dma_unmap_single(&adapter->vdev->dev,
                                 pool->dma_addr[index], pool->buff_size,
                                 DMA_FROM_DEVICE);
                                                 &adapter->rx_buff_pool[i]);
 
        if (adapter->bounce_buffer != NULL) {
-               if (!dma_mapping_error(adapter->bounce_buffer_dma)) {
+               if (!dma_mapping_error(dev, adapter->bounce_buffer_dma)) {
                        dma_unmap_single(&adapter->vdev->dev,
                                        adapter->bounce_buffer_dma,
                                        adapter->netdev->mtu + IBMVETH_BUFF_OH,
                buf[1] = 0;
        }
 
-       if (dma_mapping_error((&adapter->vdev->dev, data_dma_addr)) {
+       if (dma_mapping_error(&adapter->vdev->dev, data_dma_addr)) {
                if (!firmware_has_feature(FW_FEATURE_CMO))
                        ibmveth_error_printk("tx: unable to map xmit buffer\n");
                skb_copy_from_linear_data(skb, adapter->bounce_buffer,