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trusted-keys: kzalloc and other cleanup

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Cleanup based on David Howells suggestions:
- replace kzalloc, where possible, with kmalloc
- revert 'const unsigned int' definitions to 'unsigned int'

Signed-off-by: David Safford <safford@watson.ibm.com>
Acked-by: Mimi Zohar <zohar@us.ibm.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Mimi Zohar 2010-12-13 16:53:11 -05:00 committed by James Morris
parent bc5e0af0b3
commit 1bdbb4024c
1 changed files with 16 additions and 18 deletions
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34
security/keys/trusted_defined.c
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@ -56,7 +56,7 @@ static struct sdesc *init_sdesc(struct crypto_shash *alg)
return sdesc;
}
static int TSS_sha1(const unsigned char *data, const unsigned int datalen,
static int TSS_sha1(const unsigned char *data, unsigned int datalen,
unsigned char *digest)
{
struct sdesc *sdesc;
@ -74,7 +74,7 @@ static int TSS_sha1(const unsigned char *data, const unsigned int datalen,
}
static int TSS_rawhmac(unsigned char *digest, const unsigned char *key,
const unsigned int keylen, ...)
unsigned int keylen, ...)
{
struct sdesc *sdesc;
va_list argp;
@ -119,7 +119,7 @@ out:
* calculate authorization info fields to send to TPM
*/
static int TSS_authhmac(unsigned char *digest, const unsigned char *key,
const unsigned int keylen, unsigned char *h1,
unsigned int keylen, unsigned char *h1,
unsigned char *h2, unsigned char h3, ...)
{
unsigned char paramdigest[SHA1_DIGEST_SIZE];
@ -170,7 +170,7 @@ static int TSS_checkhmac1(unsigned char *buffer,
const uint32_t command,
const unsigned char *ononce,
const unsigned char *key,
const unsigned int keylen, ...)
unsigned int keylen, ...)
{
uint32_t bufsize;
uint16_t tag;
@ -252,9 +252,9 @@ static int TSS_checkhmac2(unsigned char *buffer,
const uint32_t command,
const unsigned char *ononce,
const unsigned char *key1,
const unsigned int keylen1,
unsigned int keylen1,
const unsigned char *key2,
const unsigned int keylen2, ...)
unsigned int keylen2, ...)
{
uint32_t bufsize;
uint16_t tag;
@ -388,7 +388,7 @@ static int my_get_random(unsigned char *buf, int len)
struct tpm_buf *tb;
int ret;
tb = kzalloc(sizeof *tb, GFP_KERNEL);
tb = kmalloc(sizeof *tb, GFP_KERNEL);
if (!tb)
return -ENOMEM;
ret = tpm_get_random(tb, buf, len);
@ -420,8 +420,7 @@ static int pcrlock(const int pcrnum)
* Create an object specific authorisation protocol (OSAP) session
*/
static int osap(struct tpm_buf *tb, struct osapsess *s,
const unsigned char *key, const uint16_t type,
const uint32_t handle)
const unsigned char *key, uint16_t type, uint32_t handle)
{
unsigned char enonce[TPM_NONCE_SIZE];
unsigned char ononce[TPM_NONCE_SIZE];
@ -485,12 +484,12 @@ struct tpm_digests {
* Have the TPM seal(encrypt) the trusted key, possibly based on
* Platform Configuration Registers (PCRs). AUTH1 for sealing key.
*/
static int tpm_seal(struct tpm_buf *tb, const uint16_t keytype,
const uint32_t keyhandle, const unsigned char *keyauth,
const unsigned char *data, const uint32_t datalen,
static int tpm_seal(struct tpm_buf *tb, uint16_t keytype,
uint32_t keyhandle, const unsigned char *keyauth,
const unsigned char *data, uint32_t datalen,
unsigned char *blob, uint32_t *bloblen,
const unsigned char *blobauth,
const unsigned char *pcrinfo, const uint32_t pcrinfosize)
const unsigned char *pcrinfo, uint32_t pcrinfosize)
{
struct osapsess sess;
struct tpm_digests *td;
@ -599,8 +598,8 @@ static int tpm_seal(struct tpm_buf *tb, const uint16_t keytype,
* use the AUTH2_COMMAND form of unseal, to authorize both key and blob
*/
static int tpm_unseal(struct tpm_buf *tb,
const uint32_t keyhandle, const unsigned char *keyauth,
const unsigned char *blob, const int bloblen,
uint32_t keyhandle, const unsigned char *keyauth,
const unsigned char *blob, int bloblen,
const unsigned char *blobauth,
unsigned char *data, unsigned int *datalen)
{
@ -913,7 +912,7 @@ static struct trusted_key_payload *trusted_payload_alloc(struct key *key)
* On success, return 0. Otherwise return errno.
*/
static int trusted_instantiate(struct key *key, const void *data,
const size_t datalen)
size_t datalen)
{
struct trusted_key_payload *payload = NULL;
struct trusted_key_options *options = NULL;
@ -996,8 +995,7 @@ static void trusted_rcu_free(struct rcu_head *rcu)
/*
* trusted_update - reseal an existing key with new PCR values
*/
static int trusted_update(struct key *key, const void *data,
const size_t datalen)
static int trusted_update(struct key *key, const void *data, size_t datalen)
{
struct trusted_key_payload *p = key->payload.data;
struct trusted_key_payload *new_p;