Commit b6cd3cfb authored by Ovidiu Panait's avatar Ovidiu Panait Committed by Herbert Xu
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crypto: sun8i-ce - fix nents passed to dma_unmap_sg() 



In sun8i_ce_cipher_unprepare(), dma_unmap_sg() is incorrectly called with
the number of entries returned by dma_map_sg(), rather than using the
original number of entries passed when mapping the scatterlist.

To fix this, stash the original number of entries passed to dma_map_sg()
in the request context.

Fixes: 0605fa0f ("crypto: sun8i-ce - split into prepare/run/unprepare")
Signed-off-by: default avatarOvidiu Panait <ovidiu.panait.oss@gmail.com>
Acked-by: default avatarCorentin LABBE <clabbe.montjoie@gmail.com>
Tested-by: default avatarCorentin LABBE <clabbe.montjoie@gmail.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 8c8f269a

drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c

+2 −2
Original line number Diff line number Diff line
@@ -278,8 +278,8 @@ static int sun8i_ce_cipher_prepare(struct crypto_engine *engine, void *async_req 
	}



	chan->timeout = areq->cryptlen;

	rctx->nr_sgs = nr_sgs;

	rctx->nr_sgd = nr_sgd;

	rctx->nr_sgs = ns;

	rctx->nr_sgd = nd;

	return 0;



theend_sgs: