[PATCH 2/10] crypto: aead - Add aead_alg_instance
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: 2015-05-28 14:07:58
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
Now that type-safe init/exit functions exist, they often need to access the underlying aead_instance. So this patch adds the helper aead_alg_instance to access aead_instance from a crypto_aead object. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> --- include/crypto/internal/aead.h | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/include/crypto/internal/aead.h b/include/crypto/internal/aead.h
index 4137330..f068d74 100644
--- a/include/crypto/internal/aead.h
+++ b/include/crypto/internal/aead.h@@ -52,6 +52,11 @@ static inline struct aead_instance *aead_instance(struct crypto_instance *inst) return container_of(&inst->alg, struct aead_instance, alg.base); } +static inline struct aead_instance *aead_alg_instance(struct crypto_aead *aead) +{ + return aead_instance(crypto_aead_alg_instance(aead)); +} + static inline void *aead_instance_ctx(struct aead_instance *inst) { return crypto_instance_ctx(aead_crypto_instance(inst));