[PATCH] fix an example of scatterlists handling in DMA-API.txt

From: FUJITA Tomonori
Date: Thu Sep 18 2008 - 12:30:43 EST


This example isn't the proper way to handle scatterlists (can't handle
sg chaining).

Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
---
Documentation/DMA-API.txt | 2 +-
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);
}
--
1.5.4.2

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