Re: [PATCH] crypto: caam/jr - fix descriptor DMA unmapping

[Herbert Xu]

On Mon, Aug 06, 2018 at 03:29:09PM +0300, Horia Geantă wrote:
> Descriptor address needs to be swapped to CPU endianness before being
> DMA unmapped.
> 
> Cc:  # 4.8+
> Fixes: 261ea058f016 ("crypto: caam - handle core endianness != caam 
> endianness")
> Reported-by: Laurentiu Tudor 
> Signed-off-by: Horia Geantă 

Patch applied.  Thanks.
-- 
Email: Herbert Xu 
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

[PATCH] crypto: caam/jr - fix descriptor DMA unmapping

[Horia Geantă]

Descriptor address needs to be swapped to CPU endianness before being
DMA unmapped.

Cc:  # 4.8+
Fixes: 261ea058f016 ("crypto: caam - handle core endianness != caam endianness")
Reported-by: Laurentiu Tudor 
Signed-off-by: Horia Geantă 
---
 drivers/crypto/caam/jr.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index f4f258075b89..acdd72016ffe 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -190,7 +190,8 @@ static void caam_jr_dequeue(unsigned long devarg)
BUG_ON(CIRC_CNT(head, tail + i, JOBR_DEPTH) <= 0);
 
/* Unmap just-run descriptor so we can post-process */
-   dma_unmap_single(dev, jrp->outring[hw_idx].desc,
+   dma_unmap_single(dev,
+caam_dma_to_cpu(jrp->outring[hw_idx].desc),
 jrp->entinfo[sw_idx].desc_size,
 DMA_TO_DEVICE);
 
-- 
2.16.2