diff options
| author | Jussi Kivilinna <jussi.kivilinna@mbnet.fi> | 2012-07-11 14:20:20 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2012-08-01 17:47:26 +0800 |
| commit | 50fc3e8d2c9d1ee72c67b751e5ac5d76ebc5a12e (patch) | |
| tree | 29be3f3cff2b30a5c1d6ece2cc6a200668a7003f | |
| parent | 8fc229a51b0e10f4ceb794e8b99fa0a427a7ba41 (diff) | |
crypto: add crypto_[un]register_shashes for [un]registering multiple shash entries at once
Add crypto_[un]register_shashes() to allow simplifying init/exit code of shash
crypto modules that register multiple algorithms.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | crypto/shash.c | 36 | ||||
| -rw-r--r-- | include/crypto/internal/hash.h | 2 |
2 files changed, 38 insertions, 0 deletions
diff --git a/crypto/shash.c b/crypto/shash.c index 32067f47e6c7..f426330f1017 100644 --- a/crypto/shash.c +++ b/crypto/shash.c @@ -629,6 +629,42 @@ int crypto_unregister_shash(struct shash_alg *alg) } EXPORT_SYMBOL_GPL(crypto_unregister_shash); +int crypto_register_shashes(struct shash_alg *algs, int count) +{ + int i, ret; + + for (i = 0; i < count; i++) { + ret = crypto_register_shash(&algs[i]); + if (ret) + goto err; + } + + return 0; + +err: + for (--i; i >= 0; --i) + crypto_unregister_shash(&algs[i]); + + return ret; +} +EXPORT_SYMBOL_GPL(crypto_register_shashes); + +int crypto_unregister_shashes(struct shash_alg *algs, int count) +{ + int i, ret; + + for (i = count - 1; i >= 0; --i) { + ret = crypto_unregister_shash(&algs[i]); + if (ret) + pr_err("Failed to unregister %s %s: %d\n", + algs[i].base.cra_driver_name, + algs[i].base.cra_name, ret); + } + + return 0; +} +EXPORT_SYMBOL_GPL(crypto_unregister_shashes); + int shash_register_instance(struct crypto_template *tmpl, struct shash_instance *inst) { diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h index 5bfad8c80595..821eae8cbd8c 100644 --- a/include/crypto/internal/hash.h +++ b/include/crypto/internal/hash.h @@ -83,6 +83,8 @@ struct hash_alg_common *ahash_attr_alg(struct rtattr *rta, u32 type, u32 mask); int crypto_register_shash(struct shash_alg *alg); int crypto_unregister_shash(struct shash_alg *alg); +int crypto_register_shashes(struct shash_alg *algs, int count); +int crypto_unregister_shashes(struct shash_alg *algs, int count); int shash_register_instance(struct crypto_template *tmpl, struct shash_instance *inst); void shash_free_instance(struct crypto_instance *inst); |