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>
diff --git a/Documentation/DMA-API-HOWTO.txt b/Documentation/DMA-API-HOWTO.txt
index 494ffac..979228b 100644
--- a/Documentation/DMA-API-HOWTO.txt
+++ b/Documentation/DMA-API-HOWTO.txt
@@ -699,7 +699,7 @@
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