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Documentation: DMA-API-HOWTO: Fix a typo 

Fix a type in example variable name.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Andrey Smirnov 2016-09-20 09:04:20 -07:00 committed by Jonathan Corbet
parent fd5d2b832d
commit be6c30956f
1 changed files with 1 additions and 1 deletions
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2
Documentation/DMA-API-HOWTO.txt
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@ -699,7 +699,7 @@ 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(cp->dev, dma_handle)) {
if (dma_mapping_error(cp->dev, mapping)) {
/*
* reduce current DMA mapping usage,
* delay and try again later or