1 files changed, 5 insertions, 2 deletions

diff --git a/crypto/async_tx/async_memcpy.c b/crypto/async_tx/async_memcpy.c
index 98e15bd0dcb5..b38cbb3fd527 100644
--- a/crypto/async_tx/async_memcpy.c
+++ b/crypto/async_tx/async_memcpy.c
@@ -52,9 +52,12 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset,
 
         if (device) {
                 dma_addr_t dma_dest, dma_src;
-                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, dest_offset, len,
                                         DMA_FROM_DEVICE);