On Sat, May 16, 2009 at 12:59 AM, Ira Snyder <[email protected]> wrote:
> When preparing a memcpy operation, if the kernel fails to allocate memory
> for a link descriptor after the first link descriptor has already been
> allocated, then some memory will never be released. Fix the problem by
> walking the list of allocated descriptors backwards, and freeing the
> allocated descriptors back into the DMA pool.
>
> Signed-off-by: Ira W. Snyder <[email protected]>
Applied the following patches:
fsldma: fix "DMA halt timeout!" errors
fsldma: fix infinite loop on multi-descriptor DMA chain completion
fsldma: snooping is not enabled for last entry in descriptor chain
fsldma: fix memory leak on error path in fsl_dma_prep_memcpy()
Thanks
- Leo
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