[PATCH v2 5/7] crypto: aead: Add aead_request_cast() api

[Lokesh Vutla]

Add aead_request_cast() api to get pointer to aead_request
from cryto_async_request.

Signed-off-by: Lokesh Vutla <lokeshvutla@xxxxxx>
---
 include/crypto/internal/aead.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/crypto/internal/aead.h b/include/crypto/internal/aead.h
index 4b25471..0423fa5 100644
--- a/include/crypto/internal/aead.h
+++ b/include/crypto/internal/aead.h
@@ -157,6 +157,12 @@ static inline unsigned int crypto_aead_maxauthsize(struct crypto_aead *aead)
 	return crypto_aead_alg_maxauthsize(crypto_aead_alg(aead));
 }
 
+static inline struct aead_request *aead_request_cast(
+					struct crypto_async_request *req)
+{
+	return container_of(req, struct aead_request, base);
+}
+
 int crypto_register_aead(struct aead_alg *alg);
 void crypto_unregister_aead(struct aead_alg *alg);
 int crypto_register_aeads(struct aead_alg *algs, int count);
-- 
1.9.1

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