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crypto: skcipher - Add crypto_spawn_skcipher_alg_common

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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>
This commit is contained in:
Herbert Xu 2023-10-03 11:43:19 +08:00
parent 9a91792db1
commit ab6223dc3e
1 changed files with 6 additions and 0 deletions
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6
include/crypto/internal/skcipher.h
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@ -160,6 +160,12 @@ static inline struct lskcipher_alg *crypto_lskcipher_spawn_alg(
return container_of(spawn->base.alg, struct lskcipher_alg, co.base); 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( static inline struct skcipher_alg *crypto_spawn_skcipher_alg(
struct crypto_skcipher_spawn *spawn) struct crypto_skcipher_spawn *spawn)
{ {