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: Russell King <linux@xxxxxxxxxxxxxxx> Signed-off-by: Andrei Botila <andrei.botila@xxxxxxx> --- arch/arm/crypto/aes-neonbs-glue.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/crypto/aes-neonbs-glue.c b/arch/arm/crypto/aes-neonbs-glue.c index e6fd32919c81..98ca6e6cca90 100644 --- a/arch/arm/crypto/aes-neonbs-glue.c +++ b/arch/arm/crypto/aes-neonbs-glue.c @@ -339,6 +339,9 @@ static int __xts_crypt(struct skcipher_request *req, bool encrypt, struct skcipher_walk walk; int err; + if (!req->cryptlen) + return 0; + if (req->cryptlen < AES_BLOCK_SIZE) return -EINVAL; -- 2.17.1
