From b2dd83b377d390ab503420c9a5867df5741e273d Mon Sep 17 00:00:00 2001 From: Liu Hua Date: Thu, 18 Sep 2014 12:15:28 +0800 Subject: [PATCH] Documentation: correct parameter error for dma_mapping_error dma_mapping_error takes two parameters, but some of examples in Documentation/DMA-API-HOWTO.txt just takes one. So correct it. Signed-off-by: Liu Hua Acked-by: Randy Dunlap Signed-off-by: Jiri Kosina --- Documentation/DMA-API-HOWTO.txt | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/Documentation/DMA-API-HOWTO.txt b/Documentation/DMA-API-HOWTO.txt index dcbbe3602d78..0f7afb2bb442 100644 --- a/Documentation/DMA-API-HOWTO.txt +++ b/Documentation/DMA-API-HOWTO.txt @@ -531,7 +531,7 @@ To map a single region, you do: size_t size = buffer->len; dma_handle = dma_map_single(dev, addr, size, direction); - if (dma_mapping_error(dma_handle)) { + if (dma_mapping_error(dev, dma_handle)) { /* * reduce current DMA mapping usage, * delay and try again later or @@ -588,7 +588,7 @@ Specifically: size_t size = buffer->len; dma_handle = dma_map_page(dev, page, offset, size, direction); - if (dma_mapping_error(dma_handle)) { + if (dma_mapping_error(dev, dma_handle)) { /* * reduce current DMA mapping usage, * delay and try again later or @@ -689,7 +689,7 @@ to use the dma_sync_*() interfaces. dma_addr_t mapping; mapping = dma_map_single(cp->dev, buffer, len, DMA_FROM_DEVICE); - if (dma_mapping_error(dma_handle)) { + if (dma_mapping_error(cp->dev, dma_handle)) { /* * reduce current DMA mapping usage, * delay and try again later or -- 2.30.2