From 375092332eeaa6e47561ce47fd36144cdaf964d0 Mon Sep 17 00:00:00 2001 From: Fam Zheng Date: Fri, 21 Apr 2017 20:27:02 +0800 Subject: [PATCH] crypto: Make errp the last parameter of functions Move opaque to 2nd instead of the 2nd to last, so that compilers help check with the conversion. Signed-off-by: Fam Zheng Message-Id: <20170421122710.15373-7-famz@redhat.com> Reviewed-by: Markus Armbruster Reviewed-by: Eric Blake [Commit message typo corrected] Signed-off-by: Markus Armbruster --- block/crypto.c | 12 ++++++------ crypto/block-luks.c | 21 +++++++++------------ include/crypto/block.h | 12 ++++++------ tests/test-crypto-block.c | 12 ++++++------ 4 files changed, 27 insertions(+), 30 deletions(-) diff --git a/block/crypto.c b/block/crypto.c index 4a2038888d..34549b28a5 100644 --- a/block/crypto.c +++ b/block/crypto.c @@ -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; diff --git a/crypto/block-luks.c b/crypto/block-luks.c index 4530f8241c..d5a31bbaeb 100644 --- a/crypto/block-luks.c +++ b/crypto/block-luks.c @@ -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; } diff --git a/include/crypto/block.h b/include/crypto/block.h index b6971de921..4a053a3ffa 100644 --- a/include/crypto/block.h +++ b/include/crypto/block.h @@ -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: diff --git a/tests/test-crypto-block.c b/tests/test-crypto-block.c index 1957a86743..85e6603d59 100644 --- a/tests/test-crypto-block.c +++ b/tests/test-crypto-block.c @@ -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;