diff options
| author | David Barksdale <amatus@amatus.name> | 2014-08-13 16:14:13 -0500 |
|---|---|---|
| committer | David Barksdale <amatus@amatus.name> | 2014-08-13 16:14:13 -0500 |
| commit | ace6c6d243016e272050787c14e27a83ecd94a25 (patch) | |
| tree | c837edb1ca98b2552fbc7edba47aeb63f98ca1f0 /crypto/async_tx/async_xor.c | |
| parent | 1b6e1688bd215cd7c9cb75650fa815a1ec6567e1 (diff) | |
gpl-source-mybooklive-010002-update.zipgpl-source-mybooklive-010103-update.zipgpl-source-mybooklive-010002-update.zip
Diffstat (limited to 'crypto/async_tx/async_xor.c')
| -rw-r--r-- | crypto/async_tx/async_xor.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/crypto/async_tx/async_xor.c b/crypto/async_tx/async_xor.c index 079ae8ca590..027b2e8411d 100644 --- a/crypto/async_tx/async_xor.c +++ b/crypto/async_tx/async_xor.c @@ -49,6 +49,7 @@ do_async_xor(struct dma_chan *chan, struct page *dest, struct page **src_list, /* map the dest bidrectional in case it is re-used as a source */ dma_dest = dma_map_page(dma->dev, dest, offset, len, DMA_BIDIRECTIONAL); + for (i = 0; i < src_cnt; i++) { /* only map the dest once */ if (!src_list[i]) @@ -84,6 +85,7 @@ do_async_xor(struct dma_chan *chan, struct page *dest, struct page **src_list, dma_flags |= DMA_PREP_INTERRUPT; if (submit->flags & ASYNC_TX_FENCE) dma_flags |= DMA_PREP_FENCE; + /* Since we have clobbered the src_list we are committed * to doing this asynchronously. Drivers force forward progress * in case they can not provide a descriptor @@ -104,6 +106,7 @@ do_async_xor(struct dma_chan *chan, struct page *dest, struct page **src_list, } async_tx_submit(chan, tx, submit); + submit->depend_tx = tx; if (src_cnt > xor_src_cnt) { |