[PATCH] arch: kernel: Replace sg++ with sg = sg_next(sg)

[Xu Wang <vulab@xxxxxxxxxxx>]

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

Signed-off-by: Xu Wang <vulab@xxxxxxxxxxx>
---
 arch/alpha/kernel/pci_iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index 7f1925a32c99..81037907268d 100644
--- 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);
-- 
2.17.1