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: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: Will Deacon <will@xxxxxxxxxx> Signed-off-by: Andrei Botila <andrei.botila@xxxxxxx> --- arch/arm64/crypto/aes-neonbs-glue.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/crypto/aes-neonbs-glue.c b/arch/arm64/crypto/aes-neonbs-glue.c index fb507d569922..197bf24e7dae 100644 --- a/arch/arm64/crypto/aes-neonbs-glue.c +++ b/arch/arm64/crypto/aes-neonbs-glue.c @@ -330,6 +330,9 @@ static int __xts_crypt(struct skcipher_request *req, bool encrypt, int first = 1; u8 *out, *in; + if (!req->cryptlen) + return 0; + if (req->cryptlen < AES_BLOCK_SIZE) return -EINVAL; -- 2.17.1
