From: FUJITA Tomonori Date: Thu, 18 Sep 2008 16:35:28 +0000 (-0700) Subject: fix an example of scatterlists handling in DMA-API.txt X-Git-Tag: Ubuntu-5.0.0-8.9~31139^2~27 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=79eb014578b79fcfb9d9e7dc979d1316079220aa;p=mirror_ubuntu-disco-kernel.git 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 Signed-off-by: Jens Axboe --- diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt index d8b63d164e41..b8e86460046e 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); }