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Commit 0f52ddae authored by Antoine Tenart's avatar Antoine Tenart Committed by Herbert Xu
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crypto: sun4i-ss - cannot use DMA is the request is 0 length 



Do not use DMA is the request is 0 length.

Signed-off-by: default avatarAntoine Tenart <antoine.tenart@free-electrons.com>
Tested-by: default avatarCorentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: default avatarCorentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 11be0107

drivers/crypto/sunxi-ss/sun4i-ss-hash.c

+1 −1
Original line number Diff line number Diff line
@@ -250,7 +250,7 @@ static int sun4i_hash(struct ahash_request *areq) 
			i = 0;

		in_sg = sg_next(in_sg);

	}

	if (i == 1 && !op->len)

	if (i == 1 && !op->len && areq->nbytes)

		dev_dbg(ss->dev, "We can DMA\n");



	i = 0;