async_tx: fix checking of dma_wait_for_async_tx() return value

dma_wait_for_async_tx() can also return DMA_PAUSED (which
should be considered as error).

Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Dan Williams <djbw@fb.com>
Cc: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dan Williams <djbw@fb.com>

diff --git a/crypto/async_tx/async_tx.c b/crypto/async_tx/async_tx.c
index 8421209..7be3424 100644 (file)
--- a/crypto/async_tx/async_tx.c
+++ b/crypto/async_tx/async_tx.c
@@ -128,8 +128,8 @@ async_tx_channel_switch(struct dma_async_tx_descriptor *depend_tx,
                }
                device->device_issue_pending(chan);
        } else {
-               if (dma_wait_for_async_tx(depend_tx) == DMA_ERROR)
-                       panic("%s: DMA_ERROR waiting for depend_tx\n",
+               if (dma_wait_for_async_tx(depend_tx) != DMA_SUCCESS)
+                       panic("%s: DMA error waiting for depend_tx\n",
                              __func__);
                tx->tx_submit(tx);
        }
@@ -280,8 +280,9 @@ void async_tx_quiesce(struct dma_async_tx_descriptor **tx)
                 * we are referring to the correct operation
                 */
                BUG_ON(async_tx_test_ack(*tx));
-               if (dma_wait_for_async_tx(*tx) == DMA_ERROR)
-                       panic("DMA_ERROR waiting for transaction\n");
+               if (dma_wait_for_async_tx(*tx) != DMA_SUCCESS)
+                       panic("%s: DMA error waiting for transaction\n",
+                             __func__);
                async_tx_ack(*tx);
                *tx = NULL;
        }