[07/16] crypto: authencesn - Only access common skcipher fields on spawn

Commit Message

Herbert Xu Oct. 3, 2023, 3:43 a.m. UTC

As skcipher spawns may be of the type lskcipher, only the common
fields may be accessed.  This was already the case but use the
correct helpers to make this more obvious.

Signed-off-by: Herbert Xu <[e-mail]>
---
 crypto/authencesn.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

Patch

diff --git a/crypto/authencesn.c b/crypto/authencesn.c
index 91424e791d5c..60e9568f023f 100644
--- a/crypto/authencesn.c
+++ b/crypto/authencesn.c
@@ -390,9 +390,9 @@  static int crypto_authenc_esn_create(struct crypto_template *tmpl,
 	u32 mask;
 	struct aead_instance *inst;
 	struct authenc_esn_instance_ctx *ctx;
+	struct skcipher_alg_common *enc;
 	struct hash_alg_common *auth;
 	struct crypto_alg *auth_base;
-	struct skcipher_alg *enc;
 	int err;
 
 	err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_AEAD, &mask);
@@ -415,7 +415,7 @@  static int crypto_authenc_esn_create(struct crypto_template *tmpl,
 				   crypto_attr_alg_name(tb[2]), 0, mask);
 	if (err)
 		goto err_free_inst;
-	enc = crypto_spawn_skcipher_alg(&ctx->enc);
+	enc = crypto_spawn_skcipher_alg_common(&ctx->enc);
 
 	err = -ENAMETOOLONG;
 	if (snprintf(inst->alg.base.cra_name, CRYPTO_MAX_ALG_NAME,
@@ -435,8 +435,8 @@  static int crypto_authenc_esn_create(struct crypto_template *tmpl,
 				       enc->base.cra_alignmask;
 	inst->alg.base.cra_ctxsize = sizeof(struct crypto_authenc_esn_ctx);
 
-	inst->alg.ivsize = crypto_skcipher_alg_ivsize(enc);
-	inst->alg.chunksize = crypto_skcipher_alg_chunksize(enc);
+	inst->alg.ivsize = enc->ivsize;
+	inst->alg.chunksize = enc->chunksize;
 	inst->alg.maxauthsize = auth->digestsize;
 
 	inst->alg.init = crypto_authenc_esn_init_tfm;