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KEYS: Merge the type-specific data with the payload data

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Merge the type-specific data with the payload data into one four-word chunk
as it seems pointless to keep them separate.

Use user_key_payload() for accessing the payloads of overloaded
user-defined keys.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-cifs@vger.kernel.org
cc: ecryptfs@vger.kernel.org
cc: linux-ext4@vger.kernel.org
cc: linux-f2fs-devel@lists.sourceforge.net
cc: linux-nfs@vger.kernel.org
cc: ceph-devel@vger.kernel.org
cc: linux-ima-devel@lists.sourceforge.net
This commit is contained in:
David Howells
2015-10-21 14:04:48 +01:00
parent 4adc605edc
commit 146aa8b145
49 changed files with 286 additions and 230 deletions
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32
net/rxrpc/ar-key.c
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@@ -148,10 +148,10 @@ static int rxrpc_preparse_xdr_rxkad(struct key_preparsed_payload *prep,
token->kad->ticket[6], token->kad->ticket[7]);
/* count the number of tokens attached */
prep->type_data[0] = (void *)((unsigned long)prep->type_data[0] + 1);
prep->payload.data[1] = (void *)((unsigned long)prep->payload.data[1] + 1);
/* attach the data */
for (pptoken = (struct rxrpc_key_token **)&prep->payload[0];
for (pptoken = (struct rxrpc_key_token **)&prep->payload.data[0];
*pptoken;
pptoken = &(*pptoken)->next)
continue;
@@ -522,7 +522,7 @@ static int rxrpc_preparse_xdr_rxk5(struct key_preparsed_payload *prep,
goto inval;
/* attach the payload */
for (pptoken = (struct rxrpc_key_token **)&prep->payload[0];
for (pptoken = (struct rxrpc_key_token **)&prep->payload.data[0];
*pptoken;
pptoken = &(*pptoken)->next)
continue;
@@ -764,10 +764,10 @@ static int rxrpc_preparse(struct key_preparsed_payload *prep)
memcpy(&token->kad->ticket, v1->ticket, v1->ticket_length);
/* count the number of tokens attached */
prep->type_data[0] = (void *)((unsigned long)prep->type_data[0] + 1);
prep->payload.data[1] = (void *)((unsigned long)prep->payload.data[1] + 1);
/* attach the data */
pp = (struct rxrpc_key_token **)&prep->payload[0];
pp = (struct rxrpc_key_token **)&prep->payload.data[0];
while (*pp)
pp = &(*pp)->next;
*pp = token;
@@ -814,7 +814,7 @@ static void rxrpc_free_token_list(struct rxrpc_key_token *token)
*/
static void rxrpc_free_preparse(struct key_preparsed_payload *prep)
{
rxrpc_free_token_list(prep->payload[0]);
rxrpc_free_token_list(prep->payload.data[0]);
}
/*
@@ -831,7 +831,7 @@ static int rxrpc_preparse_s(struct key_preparsed_payload *prep)
if (prep->datalen != 8)
return -EINVAL;
memcpy(&prep->type_data, prep->data, 8);
memcpy(&prep->payload.data[2], prep->data, 8);
ci = crypto_alloc_blkcipher("pcbc(des)", 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(ci)) {
@@ -842,7 +842,7 @@ static int rxrpc_preparse_s(struct key_preparsed_payload *prep)
if (crypto_blkcipher_setkey(ci, prep->data, 8) < 0)
BUG();
prep->payload[0] = ci;
prep->payload.data[0] = ci;
_leave(" = 0");
return 0;
}
@@ -852,8 +852,8 @@ static int rxrpc_preparse_s(struct key_preparsed_payload *prep)
*/
static void rxrpc_free_preparse_s(struct key_preparsed_payload *prep)
{
if (prep->payload[0])
crypto_free_blkcipher(prep->payload[0]);
if (prep->payload.data[0])
crypto_free_blkcipher(prep->payload.data[0]);
}
/*
@@ -861,7 +861,7 @@ static void rxrpc_free_preparse_s(struct key_preparsed_payload *prep)
*/
static void rxrpc_destroy(struct key *key)
{
rxrpc_free_token_list(key->payload.data);
rxrpc_free_token_list(key->payload.data[0]);
}
/*
@@ -869,9 +869,9 @@ static void rxrpc_destroy(struct key *key)
*/
static void rxrpc_destroy_s(struct key *key)
{
if (key->payload.data) {
crypto_free_blkcipher(key->payload.data);
key->payload.data = NULL;
if (key->payload.data[0]) {
crypto_free_blkcipher(key->payload.data[0]);
key->payload.data[0] = NULL;
}
}
@@ -1070,7 +1070,7 @@ static long rxrpc_read(const struct key *key,
size += 1 * 4; /* token count */
ntoks = 0;
for (token = key->payload.data; token; token = token->next) {
for (token = key->payload.data[0]; token; token = token->next) {
toksize = 4; /* sec index */
switch (token->security_index) {
@@ -1163,7 +1163,7 @@ static long rxrpc_read(const struct key *key,
ENCODE(ntoks);
tok = 0;
for (token = key->payload.data; token; token = token->next) {
for (token = key->payload.data[0]; token; token = token->next) {
toksize = toksizes[tok++];
ENCODE(toksize);
oldxdr = xdr;