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Diffstat (limited to 'crypto/asymmetric_keys/public_key.c')
-rw-r--r--crypto/asymmetric_keys/public_key.c9
1 files changed, 1 insertions, 8 deletions
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: