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: Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx> Cc: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> Cc: Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx> Signed-off-by: Andrei Botila <andrei.botila@xxxxxxx> --- drivers/crypto/atmel-aes.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index a6e14491e080..af789ac73478 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -1107,6 +1107,10 @@ static int atmel_aes_crypt(struct skcipher_request *req, unsigned long mode) ctx->block_size = CFB64_BLOCK_SIZE; break; + case AES_FLAGS_XTS: + if (!req->cryptlen) + return 0; + default: ctx->block_size = AES_BLOCK_SIZE; break; -- 2.17.1
