- Fix IOMMU overflow checking. As reported by Andi Kleen <ak@linux.intel.com>
removed check for zero dma address.
Signed-off-by: Santosh Rastapur <santosh.rastapur@neterion.com>
Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>