Commit 8a4e047c authored by Herbert Xu's avatar Herbert Xu
Browse files

crypto: marvell/cesa - Handle zero-length skcipher requests 



Do not access random memory for zero-length skcipher requests.
Just return 0.

Fixes: f63601fd ("crypto: marvell/cesa - add a new driver for Marvell's CESA")
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent c66d7ebb

drivers/crypto/marvell/cesa/cipher.c

+3 −0
Original line number Diff line number Diff line
@@ -459,6 +459,9 @@ static int mv_cesa_skcipher_queue_req(struct skcipher_request *req, 
	struct mv_cesa_skcipher_req *creq = skcipher_request_ctx(req);

	struct mv_cesa_engine *engine;



	if (!req->cryptlen)

		return 0;



	ret = mv_cesa_skcipher_req_init(req, tmpl);

	if (ret)

		return ret;