Do DMA unmap on ->device_prep_dma_memset failure.
Cc: Dan Williams <d...@fb.com>
Cc: Tomasz Figa <t.f...@samsung.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnier...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
---
crypto/async_tx/async_memset.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/crypto/async_tx/async_memset.c b/crypto/async_tx/async_memset.c
index 05a4d1e..a6a667b 100644
--- a/crypto/async_tx/async_memset.c
+++ b/crypto/async_tx/async_memset.c
@@ -61,6 +61,9 @@ async_memset(struct page *dest, int val, unsigned int offset,
size_t len,
tx = device->device_prep_dma_memset(chan, dma_dest, val, len,
dma_prep_flags);
+ if (!tx)
+ dma_unmap_page(device->dev, dma_dest, len,
+ DMA_FROM_DEVICE);
}
if (tx) {
--
1.8.0
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