static inline void inc(be128 *iv)
{
- if (!(iv->b = cpu_to_be64(be64_to_cpu(iv->b) + 1)))
- iv->a = cpu_to_be64(be64_to_cpu(iv->a) + 1);
+ be64_add_cpu(&iv->b, 1);
+ if (!iv->b)
+ be64_add_cpu(&iv->a, 1);
}
static inline void lrw_round(struct sinfo *s, void *dst, const void *src)
crypto_free_cipher(ctx->child);
}
-static struct crypto_instance *alloc(void *param, unsigned int len)
+static struct crypto_instance *alloc(struct rtattr **tb)
{
struct crypto_instance *inst;
struct crypto_alg *alg;
+ int err;
+
+ err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_BLKCIPHER);
+ if (err)
+ return ERR_PTR(err);
- alg = crypto_get_attr_alg(param, len, CRYPTO_ALG_TYPE_CIPHER,
- CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC);
+ alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_CIPHER,
+ CRYPTO_ALG_TYPE_MASK);
if (IS_ERR(alg))
- return ERR_PTR(PTR_ERR(alg));
+ return ERR_CAST(alg);
inst = crypto_alloc_instance("lrw", alg);
if (IS_ERR(inst))