From: Andrei Botila <andrei.botila@xxxxxxx> 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: Srikanth Jampala <jsrikanth@xxxxxxxxxxx> Cc: Nagadheeraj Rottela <rnagadheeraj@xxxxxxxxxxx> Signed-off-by: Andrei Botila <andrei.botila@xxxxxxx> --- drivers/crypto/cavium/nitrox/nitrox_skcipher.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/crypto/cavium/nitrox/nitrox_skcipher.c b/drivers/crypto/cavium/nitrox/nitrox_skcipher.c index a553ac65f324..d76589ebe354 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_skcipher.c +++ b/drivers/crypto/cavium/nitrox/nitrox_skcipher.c @@ -249,10 +249,16 @@ static int nitrox_skcipher_crypt(struct skcipher_request *skreq, bool enc) struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(skreq); struct nitrox_crypto_ctx *nctx = crypto_skcipher_ctx(cipher); struct nitrox_kcrypt_request *nkreq = skcipher_request_ctx(skreq); + struct crypto_tfm *tfm = crypto_skcipher_tfm(cipher); int ivsize = crypto_skcipher_ivsize(cipher); struct se_crypto_request *creq; + const char *name; int ret; + name = crypto_tfm_alg_name(tfm); + if (!skreq->cryptlen && flexi_cipher_type(name) == CIPHER_AES_XTS) + return 0; + creq = &nkreq->creq; creq->flags = skreq->base.flags; creq->gfp = (skreq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? -- 2.17.1
