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-rw-r--r--crypto/afsplit.c28
1 files changed, 8 insertions, 20 deletions
diff --git a/crypto/afsplit.c b/crypto/afsplit.c
index 328d68c96b..b1a5a20899 100644
--- a/crypto/afsplit.c
+++ b/crypto/afsplit.c
@@ -58,7 +58,7 @@ static int qcrypto_afsplit_hash(QCryptoHashAlgorithm hash,
}
for (i = 0; i < hashcount; i++) {
- uint8_t *out = NULL;
+ g_autofree uint8_t *out = NULL;
size_t outlen = 0;
uint32_t iv = cpu_to_be32(i);
struct iovec in[] = {
@@ -79,7 +79,6 @@ static int qcrypto_afsplit_hash(QCryptoHashAlgorithm hash,
assert(outlen == digestlen);
memcpy(block + (i * digestlen), out,
(i == (hashcount - 1)) ? finallen : digestlen);
- g_free(out);
}
return 0;
@@ -93,13 +92,12 @@ int qcrypto_afsplit_encode(QCryptoHashAlgorithm hash,
uint8_t *out,
Error **errp)
{
- uint8_t *block = g_new0(uint8_t, blocklen);
+ g_autofree uint8_t *block = g_new0(uint8_t, blocklen);
size_t i;
- int ret = -1;
for (i = 0; i < (stripes - 1); i++) {
if (qcrypto_random_bytes(out + (i * blocklen), blocklen, errp) < 0) {
- goto cleanup;
+ return -1;
}
qcrypto_afsplit_xor(blocklen,
@@ -108,18 +106,14 @@ int qcrypto_afsplit_encode(QCryptoHashAlgorithm hash,
block);
if (qcrypto_afsplit_hash(hash, blocklen, block,
errp) < 0) {
- goto cleanup;
+ return -1;
}
}
qcrypto_afsplit_xor(blocklen,
in,
block,
out + (i * blocklen));
- ret = 0;
-
- cleanup:
- g_free(block);
- return ret;
+ return 0;
}
@@ -130,9 +124,8 @@ int qcrypto_afsplit_decode(QCryptoHashAlgorithm hash,
uint8_t *out,
Error **errp)
{
- uint8_t *block = g_new0(uint8_t, blocklen);
+ g_autofree uint8_t *block = g_new0(uint8_t, blocklen);
size_t i;
- int ret = -1;
for (i = 0; i < (stripes - 1); i++) {
qcrypto_afsplit_xor(blocklen,
@@ -141,7 +134,7 @@ int qcrypto_afsplit_decode(QCryptoHashAlgorithm hash,
block);
if (qcrypto_afsplit_hash(hash, blocklen, block,
errp) < 0) {
- goto cleanup;
+ return -1;
}
}
@@ -149,10 +142,5 @@ int qcrypto_afsplit_decode(QCryptoHashAlgorithm hash,
in + (i * blocklen),
block,
out);
-
- ret = 0;
-
- cleanup:
- g_free(block);
- return ret;
+ return 0;
}