[CRYPTO] api: Add type-safe spawns
[linux-2.6.git] / crypto / xcbc.c
index 317e9f0..d7b4be0 100644 (file)
@@ -254,14 +254,15 @@ static int crypto_xcbc_digest(struct hash_desc *pdesc,
 
 static int xcbc_init_tfm(struct crypto_tfm *tfm)
 {
+       struct crypto_cipher *cipher;
        struct crypto_instance *inst = (void *)tfm->__crt_alg;
        struct crypto_spawn *spawn = crypto_instance_ctx(inst);
        struct crypto_xcbc_ctx *ctx = crypto_hash_ctx_aligned(__crypto_hash_cast(tfm));
        int bs = crypto_hash_blocksize(__crypto_hash_cast(tfm));
 
-       tfm = crypto_spawn_tfm(spawn);
-       if (IS_ERR(tfm))
-               return PTR_ERR(tfm);
+       cipher = crypto_spawn_cipher(spawn);
+       if (IS_ERR(cipher))
+               return PTR_ERR(cipher);
 
        switch(bs) {
        case 16:
@@ -271,7 +272,7 @@ static int xcbc_init_tfm(struct crypto_tfm *tfm)
                return -EINVAL;
        }
 
-       ctx->child = crypto_cipher_cast(tfm);
+       ctx->child = cipher;
        ctx->odds = (u8*)(ctx+1);
        ctx->prev = ctx->odds + bs;
        ctx->key = ctx->prev + bs;