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-rw-r--r--drivers/dma/dmatest.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index 5589358b684d..7e1b0aa0ca50 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -285,7 +285,12 @@ static int dmatest_func(void *data)
set_user_nice(current, 10);
- flags = DMA_CTRL_ACK | DMA_COMPL_SKIP_DEST_UNMAP | DMA_PREP_INTERRUPT;
+ /*
+ * src buffers are freed by the DMAEngine code with dma_unmap_single()
+ * dst buffers are freed by ourselves below
+ */
+ flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT
+ | DMA_COMPL_SKIP_DEST_UNMAP | DMA_COMPL_SRC_UNMAP_SINGLE;
while (!kthread_should_stop()
&& !(iterations && total_tests >= iterations)) {