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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2008-09-18 16:35:28 (GMT)
committerJens Axboe <jens.axboe@oracle.com>2008-10-09 06:56:18 (GMT)
commit79eb014578b79fcfb9d9e7dc979d1316079220aa (patch)
tree7e6101ba2cc0d105a877df432af17650bf082387 /Documentation/DMA-API.txt
parent4ee5eaf4516a60f8ef64d3c246c64c6be0cf8c3a (diff)
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fix an example of scatterlists handling in DMA-API.txt
This example isn't the proper way to handle scatterlists (can't handle sg chaining). Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'Documentation/DMA-API.txt')
-rw-r--r--Documentation/DMA-API.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt
index d8b63d1..b8e8646 100644
--- a/Documentation/DMA-API.txt
+++ b/Documentation/DMA-API.txt
@@ -337,7 +337,7 @@ With scatterlists, you use the resulting mapping like this:
int i, count = dma_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);
}