alpha: Replace sg++ with sg = sg_next(sg)

Replace sg++ with sg = sg_next(sg).

Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Signed-off-by: Matt Turner <mattst88@gmail.com>

diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index 7f1925a32c992cf69ce215c8d1948c1a18248bd9..81037907268d5c964a2cff5cfac4fba526b9622c 100644 (file)
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -638,7 +638,7 @@ sg_fill(struct device *dev, struct scatterlist *leader, struct scatterlist *end,
 
                while (sg+1 < end && (int) sg[1].dma_address == -1) {
                        size += sg[1].length;
-                       sg++;
+                       sg = sg_next(sg);
                }
 
                npages = iommu_num_pages(paddr, size, PAGE_SIZE);