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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/lrw.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/lrw.c')
| -rw-r--r-- | crypto/lrw.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/crypto/lrw.c b/crypto/lrw.c index 56642586d84f..b4105080ac7a 100644 --- a/crypto/lrw.c +++ b/crypto/lrw.c @@ -201,21 +201,22 @@ static int decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, static int 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 priv *ctx = crypto_tfm_ctx(tfm); u32 *flags = &tfm->crt_flags; - 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); - if (crypto_tfm_alg_blocksize(tfm) != 16) { + if (crypto_cipher_blocksize(cipher) != 16) { *flags |= CRYPTO_TFM_RES_BAD_BLOCK_LEN; return -EINVAL; } - ctx->child = crypto_cipher_cast(tfm); + ctx->child = cipher; return 0; } |