Messages in this thread Patch in this message | | | From | Andrei Botila <> | Subject | [PATCH 17/22] crypto: chelsio - add check for xts input length equal to zero | Date | Fri, 7 Aug 2020 19:20:05 +0300 |
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From: Andrei Botila <andrei.botila@nxp.com>
Standardize the way input lengths equal to 0 are handled in all skcipher algorithms. All the algorithms return 0 for input lengths equal to zero.
Cc: Ayush Sawal <ayush.sawal@chelsio.com> Cc: Vinay Kumar Yadav <vinay.yadav@chelsio.com> Cc: Rohit Maheshwari <rohitm@chelsio.com> Signed-off-by: Andrei Botila <andrei.botila@nxp.com> --- drivers/crypto/chelsio/chcr_algo.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c index 13b908ea4873..e9746580870a 100644 --- a/drivers/crypto/chelsio/chcr_algo.c +++ b/drivers/crypto/chelsio/chcr_algo.c @@ -1372,8 +1372,12 @@ static int chcr_aes_encrypt(struct skcipher_request *req) int err; struct uld_ctx *u_ctx = ULD_CTX(c_ctx(tfm)); struct chcr_context *ctx = c_ctx(tfm); + int subtype = get_cryptoalg_subtype(tfm); unsigned int cpu; + if (!req->cryptlen && subtype == CRYPTO_ALG_SUB_TYPE_XTS) + return 0; + cpu = get_cpu(); reqctx->txqidx = cpu % ctx->ntxq; reqctx->rxqidx = cpu % ctx->nrxq; -- 2.17.1
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