Messages in this thread | | | Date | Thu, 18 Oct 2012 23:32:55 +0200 (CEST) | From | Jesper Juhl <> | Subject | Re: [PATCH v2] Documentation DMA-API-HOWTO.txt Add dma mapping error check usage examples |
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On Thu, 18 Oct 2012, Shuah Khan wrote:
> Enhance the document to discuss the importance of dma mapping error checks > after dma_map_single() and dma_map_page() calls. Also added usage examples > that include unmap examples in error paths when dma mapping error is returned. > Includes correct and incorrect usages to high light some common mistakes in > error paths especially when dma mapping fails when more than one dma mapping > call is made. > > Signed-off-by: Shuah Khan <shuah.khan@hp.com> [...]
Nit picking :
> +Example 2: (if buffers are allocated a loop, unmap all mapped buffers when > + mapping error is detected in the middle) > +
"... if buffers are allocated in a loop..."
-- Jesper Juhl <jj@chaosbits.net> http://www.chaosbits.net/ Don't top-post http://www.catb.org/jargon/html/T/top-post.html Plain text mails only, please.
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