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-rw-r--r--crypto/eseqiv.c29
1 files changed, 4 insertions, 25 deletions
diff --git a/crypto/eseqiv.c b/crypto/eseqiv.c
index f116fae766f8..78a72645390c 100644
--- a/crypto/eseqiv.c
+++ b/crypto/eseqiv.c
@@ -146,29 +146,6 @@ out:
return err;
}
-static int eseqiv_givencrypt_first(struct skcipher_givcrypt_request *req)
-{
- struct crypto_ablkcipher *geniv = skcipher_givcrypt_reqtfm(req);
- struct eseqiv_ctx *ctx = crypto_ablkcipher_ctx(geniv);
- int err = 0;
-
- spin_lock_bh(&ctx->lock);
- if (crypto_ablkcipher_crt(geniv)->givencrypt != eseqiv_givencrypt_first)
- goto unlock;
-
- crypto_ablkcipher_crt(geniv)->givencrypt = eseqiv_givencrypt;
- err = crypto_rng_get_bytes(crypto_default_rng, ctx->salt,
- crypto_ablkcipher_ivsize(geniv));
-
-unlock:
- spin_unlock_bh(&ctx->lock);
-
- if (err)
- return err;
-
- return eseqiv_givencrypt(req);
-}
-
static int eseqiv_init(struct crypto_tfm *tfm)
{
struct crypto_ablkcipher *geniv = __crypto_ablkcipher_cast(tfm);
@@ -198,7 +175,9 @@ static int eseqiv_init(struct crypto_tfm *tfm)
tfm->crt_ablkcipher.reqsize = reqsize +
sizeof(struct ablkcipher_request);
- return skcipher_geniv_init(tfm);
+ return crypto_rng_get_bytes(crypto_default_rng, ctx->salt,
+ crypto_ablkcipher_ivsize(geniv)) ?:
+ skcipher_geniv_init(tfm);
}
static struct crypto_template eseqiv_tmpl;
@@ -220,7 +199,7 @@ static struct crypto_instance *eseqiv_alloc(struct rtattr **tb)
if (inst->alg.cra_ablkcipher.ivsize != inst->alg.cra_blocksize)
goto free_inst;
- inst->alg.cra_ablkcipher.givencrypt = eseqiv_givencrypt_first;
+ inst->alg.cra_ablkcipher.givencrypt = eseqiv_givencrypt;
inst->alg.cra_init = eseqiv_init;
inst->alg.cra_exit = skcipher_geniv_exit;