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[02/16] crypto: skcipher - Add crypto_spawn_skcipher_alg_common

Message ID 20231003034333.1441826-3-herbert@gondor.apana.org.au (mailing list archive)
State Accepted
Delegated to: Herbert Xu
Headers show
Series crypto: Only use common fields on skcipher spawn algs | expand

Commit Message

Herbert Xu Oct. 3, 2023, 3:43 a.m. UTC
As skcipher spawns can be of two different types (skcipher vs.
lskcipher), only the common fields can be accessed.  Add a helper
to return the common algorithm object.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 include/crypto/internal/skcipher.h | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h
index 4382fd707b8a..c767b5cfbd9c 100644
--- a/include/crypto/internal/skcipher.h
+++ b/include/crypto/internal/skcipher.h
@@ -160,6 +160,12 @@  static inline struct lskcipher_alg *crypto_lskcipher_spawn_alg(
 	return container_of(spawn->base.alg, struct lskcipher_alg, co.base);
 }
 
+static inline struct skcipher_alg_common *crypto_spawn_skcipher_alg_common(
+	struct crypto_skcipher_spawn *spawn)
+{
+	return container_of(spawn->base.alg, struct skcipher_alg_common, base);
+}
+
 static inline struct skcipher_alg *crypto_spawn_skcipher_alg(
 	struct crypto_skcipher_spawn *spawn)
 {