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Commit b455eb80 authored by Herbert Xu's avatar Herbert Xu
Browse files

crypto: aead - Preserve in-place processing in old_crypt 



This patch tries to preserve in-place processing in old_crypt as
various algorithms are optimised for in-place processing where
src == dst.

Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent fdaef75f

crypto/aead.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -107,7 +107,8 @@ static int old_crypt(struct aead_request *req, 
		return crypt(req);

		return crypt(req);





	src = scatterwalk_ffwd(nreq->srcbuf, req->src, req->assoclen);

	src = scatterwalk_ffwd(nreq->srcbuf, req->src, req->assoclen);

	dst = scatterwalk_ffwd(nreq->dstbuf, req->dst, req->assoclen);

	dst = req->src == req->dst ?

	      src : scatterwalk_ffwd(nreq->dstbuf, req->dst, req->assoclen);





	aead_request_set_tfm(&nreq->subreq, aead);

	aead_request_set_tfm(&nreq->subreq, aead);

	aead_request_set_callback(&nreq->subreq, aead_request_flags(req),

	aead_request_set_callback(&nreq->subreq, aead_request_flags(req),