crypto: gcm - stop using alignmask of ahash

Now that the alignmask for ahash and shash algorithms is always 0,
simplify crypto_gcm_create_common() accordingly.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/gcm.c

@@ -629,8 +629,7 @@ static int crypto_gcm_create_common(struct crypto_template *tmpl,
 	inst->alg.base.cra_priority = (ghash->base.cra_priority +
 				       ctr->base.cra_priority) / 2;
 	inst->alg.base.cra_blocksize = 1;
-	inst->alg.base.cra_alignmask = ghash->base.cra_alignmask |
-				       ctr->base.cra_alignmask;
+	inst->alg.base.cra_alignmask = ctr->base.cra_alignmask;
 	inst->alg.base.cra_ctxsize = sizeof(struct crypto_gcm_ctx);
 	inst->alg.ivsize = GCM_AES_IV_SIZE;
 	inst->alg.chunksize = ctr->chunksize;