crypto: arm64/chacha20 - remove cra_alignmask

Remove the unnecessary alignmask: it is much more efficient to deal with
the misalignment in the core algorithm than relying on the crypto API to
copy the data to a suitably aligned buffer.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/arch/arm64/crypto/chacha20-neon-glue.c b/arch/arm64/crypto/chacha20-neon-glue.c
index a7f2337d46cf0bbe154c160eedd14251e4811e6b..a7cd575ea223348e6d2fa99dea5028e7202d04b6 100644 (file)
--- a/arch/arm64/crypto/chacha20-neon-glue.c
+++ b/arch/arm64/crypto/chacha20-neon-glue.c
@@ -93,7 +93,6 @@ static struct skcipher_alg alg = {
        .base.cra_priority      = 300,
        .base.cra_blocksize     = 1,
        .base.cra_ctxsize       = sizeof(struct chacha20_ctx),
-       .base.cra_alignmask     = 1,
        .base.cra_module        = THIS_MODULE,
 
        .min_keysize            = CHACHA20_KEY_SIZE,