diff options
| -rw-r--r-- | crypto/asymmetric_keys/asym_tpm.c | 10 | ||||
| -rw-r--r-- | crypto/asymmetric_keys/public_key.c | 9 |
2 files changed, 2 insertions, 17 deletions
diff --git a/crypto/asymmetric_keys/asym_tpm.c b/crypto/asymmetric_keys/asym_tpm.c index 4e5b6fb57a94..402fc34ca044 100644 --- a/crypto/asymmetric_keys/asym_tpm.c +++ b/crypto/asymmetric_keys/asym_tpm.c @@ -748,7 +748,6 @@ static int tpm_key_verify_signature(const struct key *key, char alg_name[CRYPTO_MAX_ALG_NAME]; uint8_t der_pub_key[PUB_KEY_BUF_SIZE]; uint32_t der_pub_key_len; - void *digest; int ret; pr_devel("==>%s()\n", __func__); @@ -780,14 +779,9 @@ static int tpm_key_verify_signature(const struct key *key, if (!req) goto error_free_tfm; - ret = -ENOMEM; - digest = kmemdup(sig->digest, sig->digest_size, GFP_KERNEL); - if (!digest) - goto error_free_req; - sg_init_table(src_sg, 2); sg_set_buf(&src_sg[0], sig->s, sig->s_size); - sg_set_buf(&src_sg[1], digest, sig->digest_size); + sg_set_buf(&src_sg[1], sig->digest, sig->digest_size); akcipher_request_set_crypt(req, src_sg, NULL, sig->s_size, sig->digest_size); crypto_init_wait(&cwait); @@ -796,8 +790,6 @@ static int tpm_key_verify_signature(const struct key *key, crypto_req_done, &cwait); ret = crypto_wait_req(crypto_akcipher_verify(req), &cwait); - kfree(digest); -error_free_req: akcipher_request_free(req); error_free_tfm: crypto_free_akcipher(tfm); diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c index 0c069fe8a59c..33093b7bcc47 100644 --- a/crypto/asymmetric_keys/public_key.c +++ b/crypto/asymmetric_keys/public_key.c @@ -229,7 +229,6 @@ int public_key_verify_signature(const struct public_key *pkey, struct akcipher_request *req; struct scatterlist src_sg[2]; char alg_name[CRYPTO_MAX_ALG_NAME]; - void *digest; int ret; pr_devel("==>%s()\n", __func__); @@ -262,14 +261,9 @@ int public_key_verify_signature(const struct public_key *pkey, if (ret) goto error_free_req; - ret = -ENOMEM; - digest = kmemdup(sig->digest, sig->digest_size, GFP_KERNEL); - if (!digest) - goto error_free_req; - sg_init_table(src_sg, 2); sg_set_buf(&src_sg[0], sig->s, sig->s_size); - sg_set_buf(&src_sg[1], digest, sig->digest_size); + sg_set_buf(&src_sg[1], sig->digest, sig->digest_size); akcipher_request_set_crypt(req, src_sg, NULL, sig->s_size, sig->digest_size); crypto_init_wait(&cwait); @@ -278,7 +272,6 @@ int public_key_verify_signature(const struct public_key *pkey, crypto_req_done, &cwait); ret = crypto_wait_req(crypto_akcipher_verify(req), &cwait); - kfree(digest); error_free_req: akcipher_request_free(req); error_free_tfm: |