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-rw-r--r--crypto/async_tx/async_memset.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/crypto/async_tx/async_memset.c b/crypto/async_tx/async_memset.c
index b896a6e5f67..a374784e332 100644
--- a/crypto/async_tx/async_memset.c
+++ b/crypto/async_tx/async_memset.c
@@ -49,9 +49,12 @@ async_memset(struct page *dest, int val, unsigned int offset, size_t len,
if (device) {
dma_addr_t dma_dest;
- unsigned long dma_prep_flags;
+ unsigned long dma_prep_flags = 0;
- dma_prep_flags = submit->cb_fn ? DMA_PREP_INTERRUPT : 0;
+ if (submit->cb_fn)
+ dma_prep_flags |= DMA_PREP_INTERRUPT;
+ if (submit->flags & ASYNC_TX_FENCE)
+ dma_prep_flags |= DMA_PREP_FENCE;
dma_dest = dma_map_page(device->dev, dest, offset, len,
DMA_FROM_DEVICE);