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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2006-12-17 10:05:58 +1100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2007-02-07 09:21:01 +1100 |
| commit | 2e306ee016fd4750289e65c3b1856db569f1f3f2 (patch) | |
| tree | 53ace6081967c640f052d53397250657af855c25 /crypto/xcbc.c | |
| parent | f1ddcaf3393b7a3871809b97fae90fac841a1f39 (diff) | |
| download | lwn-2e306ee016fd4750289e65c3b1856db569f1f3f2.tar.gz lwn-2e306ee016fd4750289e65c3b1856db569f1f3f2.zip | |
[CRYPTO] api: Add type-safe spawns
This patch allows spawns of specific types (e.g., cipher) to be allocated.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/xcbc.c')
| -rw-r--r-- | crypto/xcbc.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/crypto/xcbc.c b/crypto/xcbc.c index 317e9f08fc04..d7b4be0a057d 100644 --- a/crypto/xcbc.c +++ b/crypto/xcbc.c @@ -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; |