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Two fixes for -stable:

Browse source 
1/ async_mult() sometimes maps less buffers than initially requested.
    We end up freeing dmaengine_unmap_data on an invalid pool.
 
 2/ mv_xor: register write ordering fix
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Merge tag 'dmaengine-fixes-3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine

Pull dmaengine fixes from Dan Williams:
 "Two fixes for -stable:

   - async_mult() sometimes maps less buffers than initially requested.
      We end up freeing dmaengine_unmap_data on an invalid pool.

   - mv_xor: register write ordering fix"

* tag 'dmaengine-fixes-3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine:
  dmaengine: fix dmaengine_unmap failure
  dma: mv_xor: Flush descriptors before activating a channel
This commit is contained in:
Linus Torvalds 2014-05-23 16:52:15 -07:00
commit 037430078f
3 changed files with 6 additions and 5 deletions
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1
include/linux/dmaengine.h
View file

@ -429,6 +429,7 @@ typedef bool (*dma_filter_fn)(struct dma_chan *chan, void *filter_param);
typedef void (*dma_async_tx_callback)(void *dma_async_param);
struct dmaengine_unmap_data {
u8 map_cnt;
u8 to_cnt;
u8 from_cnt;
u8 bidi_cnt;