* [PATCH v2] crypto: aspeed - Fix dma_unmap_sg() direction
@ 2025-09-10 8:22 Thomas Fourier
2025-09-20 12:24 ` Herbert Xu
0 siblings, 1 reply; 2+ messages in thread
From: Thomas Fourier @ 2025-09-10 8:22 UTC (permalink / raw)
Cc: Thomas Fourier, stable, Neal Liu, Herbert Xu, David S. Miller,
Joel Stanley, Andrew Jeffery, Johnny Huang, Dhananjay Phadke,
linux-aspeed, linux-crypto, linux-arm-kernel, linux-kernel
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>
---
v1->v2:
- fix confusion between dst and src in commit message
drivers/crypto/aspeed/aspeed-hace-crypto.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/crypto/aspeed/aspeed-hace-crypto.c b/drivers/crypto/aspeed/aspeed-hace-crypto.c
index a72dfebc53ff..fa201dae1f81 100644
--- a/drivers/crypto/aspeed/aspeed-hace-crypto.c
+++ b/drivers/crypto/aspeed/aspeed-hace-crypto.c
@@ -346,7 +346,7 @@ static int aspeed_sk_start_sg(struct aspeed_hace_dev *hace_dev)
} 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);
}
--
2.43.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2] crypto: aspeed - Fix dma_unmap_sg() direction
2025-09-10 8:22 [PATCH v2] crypto: aspeed - Fix dma_unmap_sg() direction Thomas Fourier
@ 2025-09-20 12:24 ` Herbert Xu
0 siblings, 0 replies; 2+ messages in thread
From: Herbert Xu @ 2025-09-20 12:24 UTC (permalink / raw)
To: Thomas Fourier
Cc: stable, Neal Liu, David S. Miller, Joel Stanley, Andrew Jeffery,
Johnny Huang, Dhananjay Phadke, linux-aspeed, linux-crypto,
linux-arm-kernel, linux-kernel
On Wed, Sep 10, 2025 at 10:22:31AM +0200, Thomas Fourier wrote:
> 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>
> ---
> v1->v2:
> - fix confusion between dst and src in commit message
>
> drivers/crypto/aspeed/aspeed-hace-crypto.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Patch applied. Thanks.
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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