| From | Greg Kroah-Hartman <> | Subject | [ 072/127] crypto: caam - fix inconsistent assoc dma mapping direction | Date | Wed, 5 Jun 2013 14:33:59 -0700 |
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3.9-stable review patch. If anyone has any objections, please let me know.
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From: Horia Geanta <horia.geanta@freescale.com>
commit 286233e604d79f0c7fa04abec2180d5d89a74749 upstream.
req->assoc is dma mapped BIDIRECTIONAL and unmapped TO_DEVICE. Since it is read-only for the device, use TO_DEVICE both for mapping and unmapping.
Signed-off-by: Horia Geanta <horia.geanta@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/crypto/caam/caamalg.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -1154,7 +1154,7 @@ static struct aead_edesc *aead_edesc_all dst_nents = sg_count(req->dst, req->cryptlen, &dst_chained); sgc = dma_map_sg_chained(jrdev, req->assoc, assoc_nents ? : 1, - DMA_BIDIRECTIONAL, assoc_chained); + DMA_TO_DEVICE, assoc_chained); if (likely(req->src == req->dst)) { sgc = dma_map_sg_chained(jrdev, req->src, src_nents ? : 1, DMA_BIDIRECTIONAL, src_chained); @@ -1336,7 +1336,7 @@ static struct aead_edesc *aead_giv_edesc dst_nents = sg_count(req->dst, req->cryptlen, &dst_chained); sgc = dma_map_sg_chained(jrdev, req->assoc, assoc_nents ? : 1, - DMA_BIDIRECTIONAL, assoc_chained); + DMA_TO_DEVICE, assoc_chained); if (likely(req->src == req->dst)) { sgc = dma_map_sg_chained(jrdev, req->src, src_nents ? : 1, DMA_BIDIRECTIONAL, src_chained);
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