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authorHerbert Xu <herbert@gondor.apana.org.au>2023-10-03 11:43:31 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2023-10-13 18:27:27 +0800
commit1ec0a8aba573a6918e65dd99a3e19af1025d1408 (patch)
tree4d380bd312e1b0085ba9761ab9fe1dc235d94d12 /crypto
parentc4c6bb6e7905993126b8d00c641fa9037a198a9a (diff)
crypto: lrw - Only access common skcipher fields on spawn
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 <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/lrw.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/crypto/lrw.c b/crypto/lrw.c
index 59260aefed28..e216fbf2b786 100644
--- a/crypto/lrw.c
+++ b/crypto/lrw.c
@@ -299,8 +299,8 @@ static void lrw_free_instance(struct skcipher_instance *inst)
static int lrw_create(struct crypto_template *tmpl, struct rtattr **tb)
{
struct crypto_skcipher_spawn *spawn;
+ struct skcipher_alg_common *alg;
struct skcipher_instance *inst;
- struct skcipher_alg *alg;
const char *cipher_name;
char ecb_name[CRYPTO_MAX_ALG_NAME];
u32 mask;
@@ -336,13 +336,13 @@ static int lrw_create(struct crypto_template *tmpl, struct rtattr **tb)
if (err)
goto err_free_inst;
- alg = crypto_skcipher_spawn_alg(spawn);
+ alg = crypto_spawn_skcipher_alg_common(spawn);
err = -EINVAL;
if (alg->base.cra_blocksize != LRW_BLOCK_SIZE)
goto err_free_inst;
- if (crypto_skcipher_alg_ivsize(alg))
+ if (alg->ivsize)
goto err_free_inst;
err = crypto_inst_setname(skcipher_crypto_instance(inst), "lrw",
@@ -382,10 +382,8 @@ static int lrw_create(struct crypto_template *tmpl, struct rtattr **tb)
(__alignof__(be128) - 1);
inst->alg.ivsize = LRW_BLOCK_SIZE;
- inst->alg.min_keysize = crypto_skcipher_alg_min_keysize(alg) +
- LRW_BLOCK_SIZE;
- inst->alg.max_keysize = crypto_skcipher_alg_max_keysize(alg) +
- LRW_BLOCK_SIZE;
+ inst->alg.min_keysize = alg->min_keysize + LRW_BLOCK_SIZE;
+ inst->alg.max_keysize = alg->max_keysize + LRW_BLOCK_SIZE;
inst->alg.base.cra_ctxsize = sizeof(struct lrw_tfm_ctx);