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path: root/security/keys/encrypted-keys/encrypted.c
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Diffstat (limited to 'security/keys/encrypted-keys/encrypted.c')
-rw-r--r--security/keys/encrypted-keys/encrypted.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c
index 2d1bb8af769..9e1e005c759 100644
--- a/security/keys/encrypted-keys/encrypted.c
+++ b/security/keys/encrypted-keys/encrypted.c
@@ -773,8 +773,8 @@ static int encrypted_init(struct encrypted_key_payload *epayload,
*
* On success, return 0. Otherwise return errno.
*/
-static int encrypted_instantiate(struct key *key, const void *data,
- size_t datalen)
+static int encrypted_instantiate(struct key *key,
+ struct key_preparsed_payload *prep)
{
struct encrypted_key_payload *epayload = NULL;
char *datablob = NULL;
@@ -782,16 +782,17 @@ static int encrypted_instantiate(struct key *key, const void *data,
char *master_desc = NULL;
char *decrypted_datalen = NULL;
char *hex_encoded_iv = NULL;
+ size_t datalen = prep->datalen;
int ret;
- if (datalen <= 0 || datalen > 32767 || !data)
+ if (datalen <= 0 || datalen > 32767 || !prep->data)
return -EINVAL;
datablob = kmalloc(datalen + 1, GFP_KERNEL);
if (!datablob)
return -ENOMEM;
datablob[datalen] = 0;
- memcpy(datablob, data, datalen);
+ memcpy(datablob, prep->data, datalen);
ret = datablob_parse(datablob, &format, &master_desc,
&decrypted_datalen, &hex_encoded_iv);
if (ret < 0)
@@ -834,16 +835,17 @@ static void encrypted_rcu_free(struct rcu_head *rcu)
*
* On success, return 0. Otherwise return errno.
*/
-static int encrypted_update(struct key *key, const void *data, size_t datalen)
+static int encrypted_update(struct key *key, struct key_preparsed_payload *prep)
{
struct encrypted_key_payload *epayload = key->payload.data;
struct encrypted_key_payload *new_epayload;
char *buf;
char *new_master_desc = NULL;
const char *format = NULL;
+ size_t datalen = prep->datalen;
int ret = 0;
- if (datalen <= 0 || datalen > 32767 || !data)
+ if (datalen <= 0 || datalen > 32767 || !prep->data)
return -EINVAL;
buf = kmalloc(datalen + 1, GFP_KERNEL);
@@ -851,7 +853,7 @@ static int encrypted_update(struct key *key, const void *data, size_t datalen)
return -ENOMEM;
buf[datalen] = 0;
- memcpy(buf, data, datalen);
+ memcpy(buf, prep->data, datalen);
ret = datablob_parse(buf, &format, &new_master_desc, NULL, NULL);
if (ret < 0)
goto out;