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-rw-r--r--drivers/parisc/sba_iommu.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index e60690d38d67..374b9199878d 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -1047,7 +1047,7 @@ sba_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents,
spin_unlock_irqrestore(&ioc->res_lock, flags);
#endif
- while (sg_dma_len(sglist) && nents--) {
+ while (nents && sg_dma_len(sglist)) {
sba_unmap_page(dev, sg_dma_address(sglist), sg_dma_len(sglist),
direction, 0);
@@ -1056,6 +1056,7 @@ sba_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents,
ioc->usingle_calls--; /* kluge since call is unmap_sg() */
#endif
++sglist;
+ nents--;
}
DBG_RUN_SG("%s() DONE (nents %d)\n", __func__, nents);