/* set time_stamp *before* dma to help avoid a possible race */
buffer_info->time_stamp = jiffies;
buffer_info->next_to_watch = i;
+ buffer_info->mapped_as_page = false;
buffer_info->dma = pci_map_single(pdev, skb->data, len,
PCI_DMA_TODEVICE);
if (pci_dma_mapping_error(pdev, buffer_info->dma))