async_tx: Fix DMA_PREP_FENCE usage in do_async_gen_syndrome()

[mirror_ubuntu-bionic-kernel.git] / crypto / async_tx / async_pq.c

diff --git a/crypto/async_tx/async_pq.c b/crypto/async_tx/async_pq.c
index f83de99d7d71cf356d35a9efef65768f85f3f769..56bd612927ab1688d324fb056e9ff6d2a2f3e037 100644 (file)
--- a/crypto/async_tx/async_pq.c
+++ b/crypto/async_tx/async_pq.c
@@ -62,9 +62,6 @@ do_async_gen_syndrome(struct dma_chan *chan,
        dma_addr_t dma_dest[2];
        int src_off = 0;
 
-       if (submit->flags & ASYNC_TX_FENCE)
-               dma_flags |= DMA_PREP_FENCE;
-
        while (src_cnt > 0) {
                submit->flags = flags_orig;
                pq_src_cnt = min(src_cnt, dma_maxpq(dma, dma_flags));
@@ -83,6 +80,8 @@ do_async_gen_syndrome(struct dma_chan *chan,
                        if (cb_fn_orig)
                                dma_flags |= DMA_PREP_INTERRUPT;
                }
+               if (submit->flags & ASYNC_TX_FENCE)
+                       dma_flags |= DMA_PREP_FENCE;
 
                /* Drivers force forward progress in case they can not provide
                 * a descriptor