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crypto: Make errp the last parameter of functions

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Move opaque to 2nd instead of the 2nd to last, so that compilers help
check with the conversion.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170421122710.15373-7-famz@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[Commit message typo corrected]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Fam Zheng 2017-04-21 20:27:02 +08:00 committed by Markus Armbruster
parent 9217283dc8
commit 375092332e
4 changed files with 27 additions and 30 deletions
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12
block/crypto.c
View File

@ -56,11 +56,11 @@ static int block_crypto_probe_generic(QCryptoBlockFormat format,
static ssize_t block_crypto_read_func(QCryptoBlock *block,
void *opaque,
size_t offset,
uint8_t *buf,
size_t buflen,
Error **errp,
void *opaque)
Error **errp)
{
BlockDriverState *bs = opaque;
ssize_t ret;
@ -83,11 +83,11 @@ struct BlockCryptoCreateData {
static ssize_t block_crypto_write_func(QCryptoBlock *block,
void *opaque,
size_t offset,
const uint8_t *buf,
size_t buflen,
Error **errp,
void *opaque)
Error **errp)
{
struct BlockCryptoCreateData *data = opaque;
ssize_t ret;
@ -102,9 +102,9 @@ static ssize_t block_crypto_write_func(QCryptoBlock *block,
static ssize_t block_crypto_init_func(QCryptoBlock *block,
void *opaque,
size_t headerlen,
Error **errp,
void *opaque)
Error **errp)
{
struct BlockCryptoCreateData *data = opaque;
int ret;

21
crypto/block-luks.c
View File

@ -473,10 +473,10 @@ qcrypto_block_luks_load_key(QCryptoBlock *block,
* then encrypted.
*/
rv = readfunc(block,
opaque,
slot->key_offset * QCRYPTO_BLOCK_LUKS_SECTOR_SIZE,
splitkey, splitkeylen,
errp,
opaque);
errp);
if (rv < 0) {
goto cleanup;
}
@ -676,11 +676,10 @@ qcrypto_block_luks_open(QCryptoBlock *block,
/* Read the entire LUKS header, minus the key material from
* the underlying device */
rv = readfunc(block, 0,
rv = readfunc(block, opaque, 0,
(uint8_t *)&luks->header,
sizeof(luks->header),
errp,
opaque);
errp);
if (rv < 0) {
ret = rv;
goto fail;
@ -1246,7 +1245,7 @@ qcrypto_block_luks_create(QCryptoBlock *block,
QCRYPTO_BLOCK_LUKS_SECTOR_SIZE;
/* Reserve header space to match payload offset */
initfunc(block, block->payload_offset, &local_err, opaque);
initfunc(block, opaque, block->payload_offset, &local_err);
if (local_err) {
error_propagate(errp, local_err);
goto error;
@ -1268,11 +1267,10 @@ qcrypto_block_luks_create(QCryptoBlock *block,
/* Write out the partition header and key slot headers */
writefunc(block, 0,
writefunc(block, opaque, 0,
(const uint8_t *)&luks->header,
sizeof(luks->header),
&local_err,
opaque);
&local_err);
/* Delay checking local_err until we've byte-swapped */
@ -1297,12 +1295,11 @@ qcrypto_block_luks_create(QCryptoBlock *block,
/* Write out the master key material, starting at the
* sector immediately following the partition header. */
if (writefunc(block,
if (writefunc(block, opaque,
luks->header.key_slots[0].key_offset *
QCRYPTO_BLOCK_LUKS_SECTOR_SIZE,
splitkey, splitkeylen,
errp,
opaque) != splitkeylen) {
errp) != splitkeylen) {
goto error;
}

12
include/crypto/block.h
View File

@ -30,23 +30,23 @@ typedef struct QCryptoBlock QCryptoBlock;
* and QCryptoBlockOpenOptions in qapi/crypto.json */
typedef ssize_t (*QCryptoBlockReadFunc)(QCryptoBlock *block,
void *opaque,
size_t offset,
uint8_t *buf,
size_t buflen,
Error **errp,
void *opaque);
Error **errp);
typedef ssize_t (*QCryptoBlockInitFunc)(QCryptoBlock *block,
void *opaque,
size_t headerlen,
Error **errp,
void *opaque);
Error **errp);
typedef ssize_t (*QCryptoBlockWriteFunc)(QCryptoBlock *block,
void *opaque,
size_t offset,
const uint8_t *buf,
size_t buflen,
Error **errp,
void *opaque);
Error **errp);
/**
* qcrypto_block_has_format:

12
tests/test-crypto-block.c
View File

@ -187,11 +187,11 @@ static struct QCryptoBlockTestData {
static ssize_t test_block_read_func(QCryptoBlock *block,
void *opaque,
size_t offset,
uint8_t *buf,
size_t buflen,
Error **errp,
void *opaque)
Error **errp)
{
Buffer *header = opaque;
@ -204,9 +204,9 @@ static ssize_t test_block_read_func(QCryptoBlock *block,
static ssize_t test_block_init_func(QCryptoBlock *block,
void *opaque,
size_t headerlen,
Error **errp,
void *opaque)
Error **errp)
{
Buffer *header = opaque;
@ -219,11 +219,11 @@ static ssize_t test_block_init_func(QCryptoBlock *block,
static ssize_t test_block_write_func(QCryptoBlock *block,
void *opaque,
size_t offset,
const uint8_t *buf,
size_t buflen,
Error **errp,
void *opaque)
Error **errp)
{
Buffer *header = opaque;