* the damage, or panic when the transfer is too big.
*/
printk(KERN_ERR "DMA: Out of SW-IOMMU space for %zu bytes at "
- "device %s\n", size, dev ? dev->bus_id : "?");
+ "device %s\n", size, dev ? dev_name(dev) : "?");
if (size > io_tlb_overflow && do_panic) {
if (dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL)