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authorHerbert Xu <herbert@gondor.apana.org.au>2006-12-17 10:05:58 +1100
committerHerbert Xu <herbert@gondor.apana.org.au>2007-02-07 09:21:01 +1100
commit2e306ee016fd4750289e65c3b1856db569f1f3f2 (patch)
tree53ace6081967c640f052d53397250657af855c25 /crypto/lrw.c
parentf1ddcaf3393b7a3871809b97fae90fac841a1f39 (diff)
downloadop-kernel-dev-2e306ee016fd4750289e65c3b1856db569f1f3f2.zip
op-kernel-dev-2e306ee016fd4750289e65c3b1856db569f1f3f2.tar.gz
[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.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/crypto/lrw.c b/crypto/lrw.c
index 5664258..b410508 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;
}
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