From: Andrei Botila <[email protected]> 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: Heiko Carstens <[email protected]> Cc: Vasily Gorbik <[email protected]> Cc: Christian Borntraeger <[email protected]> Signed-off-by: Andrei Botila <[email protected]> --- arch/s390/crypto/paes_s390.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/s390/crypto/paes_s390.c b/arch/s390/crypto/paes_s390.c index f3caeb17c85b..7f0861c6f019 100644 --- a/arch/s390/crypto/paes_s390.c +++ b/arch/s390/crypto/paes_s390.c @@ -494,6 +494,9 @@ static int xts_paes_crypt(struct skcipher_request *req, unsigned long modifier) u8 init[16]; } xts_param; + if (!req->cryptlen) + return 0; + ret = skcipher_walk_virt(&walk, req, false); if (ret) return ret; -- 2.17.1
