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use sg helper function in DMA mapping documentation

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Signed-off-by: Saeed Bishara <saeed.bishara@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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saeed bishara 2007-08-08 13:09:00 +02:00 committed by Jens Axboe
parent 563063a808
commit 4c2f6d4c28
1 changed files with 1 additions and 1 deletions
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Documentation/DMA-mapping.txt
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@ -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);
}