use sg helper function in DMA mapping documentation
authorsaeed bishara <saeed.bishara@gmail.com>
Wed, 8 Aug 2007 11:09:00 +0000 (13:09 +0200)
committerJens Axboe <jens.axboe@oracle.com>
Tue, 16 Oct 2007 09:08:54 +0000 (11:08 +0200)
Signed-off-by: Saeed Bishara <saeed.bishara@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Documentation/DMA-mapping.txt

index e07f2530326b3afcbe69e77720833435e75e57d7..6883921743f0a748674c3e35ec0ac02706f5cef8 100644 (file)
@@ -514,7 +514,7 @@ With scatterlists, you map a region gathered from several regions by:
        int i, count = pci_map_sg(dev, sglist, nents, direction);
        struct scatterlist *sg;
 
-       for (i = 0, sg = sglist; i < count; i++, sg++) {
+       for_each_sg(sglist, sg, count, i) {
                hw_address[i] = sg_dma_address(sg);
                hw_len[i] = sg_dma_len(sg);
        }