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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2020-08-18 18:25:34 +1000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-08-28 16:58:28 +1000 |
| commit | f700e72d44ae2db03cc20c0fd415d4a6287661c8 (patch) | |
| tree | 284ebbc072b4127ca968f3664cdf077617eb3385 | |
| parent | 1f3783b73e9f81f956624f8edb0122935c0a52ba (diff) | |
| download | linux-crypto-f700e72d44ae2db03cc20c0fd415d4a6287661c8.tar.gz linux-crypto-f700e72d44ae2db03cc20c0fd415d4a6287661c8.zip | |
crypto: ahash - Add init_tfm/exit_tfm
This patch adds the type-safe init_tfm/exit_tfm functions to the
ahash interface. This is meant to replace the unsafe cra_init and
cra_exit interface.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | crypto/ahash.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/crypto/ahash.c b/crypto/ahash.c index d84ad925..c2ca631a 100644 --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -444,6 +444,14 @@ static int ahash_def_finup(struct ahash_request *req) return ahash_def_finup_finish1(req, err); } +static void crypto_ahash_exit_tfm(struct crypto_tfm *tfm) +{ + struct crypto_ahash *hash = __crypto_ahash_cast(tfm); + struct ahash_alg *alg = crypto_ahash_alg(hash); + + alg->exit_tfm(hash); +} + static int crypto_ahash_init_tfm(struct crypto_tfm *tfm) { struct crypto_ahash *hash = __crypto_ahash_cast(tfm); @@ -467,7 +475,10 @@ static int crypto_ahash_init_tfm(struct crypto_tfm *tfm) ahash_set_needkey(hash); } - return 0; + if (alg->exit_tfm) + tfm->exit = crypto_ahash_exit_tfm; + + return alg->init_tfm ? alg->init_tfm(hash) : 0; } static unsigned int crypto_ahash_extsize(struct crypto_alg *alg) |