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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 | e73d340db6448013ac219d105654d2b9868a8dd2 (patch) | |
| tree | 2b14a7315bba9263ac5ff9f92528b86436318afb /crypto | |
| parent | crypto: arm/curve25519 - include <linux/scatterlist.h> (diff) | |
| download | linux-dev-e73d340db6448013ac219d105654d2b9868a8dd2.tar.xz linux-dev-e73d340db6448013ac219d105654d2b9868a8dd2.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>
Diffstat (limited to 'crypto')
| -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 d84ad925dfc9..c2ca631a111f 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) |