crypto: aspeed - Fix dma_unmap_sg() direction

commit 838d2d51513e6d2504a678e906823cfd2ecaaa22 upstream.

It seems like everywhere in this file, when the request is not
bidirectionala, req->src is mapped with DMA_TO_DEVICE and req->dst is
mapped with DMA_FROM_DEVICE.

Fixes: 62f58b1637b7 ("crypto: aspeed - add HACE crypto driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/crypto/aspeed/aspeed-hace-crypto.c b/drivers/crypto/aspeed/aspeed-hace-crypto.c
index ef73b0028b4d773d0834ba0bf65ea7bfb499cd74..47dcf0bf4fb18602cd603a7550174ecbb917b589 100644 (file)
--- a/drivers/crypto/aspeed/aspeed-hace-crypto.c
+++ b/drivers/crypto/aspeed/aspeed-hace-crypto.c
@@ -335,7 +335,7 @@ free_req:
 
        } else {
                dma_unmap_sg(hace_dev->dev, req->dst, rctx->dst_nents,
-                            DMA_TO_DEVICE);
+                            DMA_FROM_DEVICE);
                dma_unmap_sg(hace_dev->dev, req->src, rctx->src_nents,
                             DMA_TO_DEVICE);
        }