aboutsummaryrefslogtreecommitdiff
path: root/crypto/block.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/block.c')
-rw-r--r--crypto/block.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/crypto/block.c b/crypto/block.c
index ee96759f7d..325752871c 100644
--- a/crypto/block.c
+++ b/crypto/block.c
@@ -299,15 +299,13 @@ static int do_qcrypto_block_cipher_encdec(QCryptoCipher *cipher,
QCryptoCipherEncDecFunc func,
Error **errp)
{
- uint8_t *iv;
+ g_autofree uint8_t *iv = niv ? g_new0(uint8_t, niv) : NULL;
int ret = -1;
uint64_t startsector = offset / sectorsize;
assert(QEMU_IS_ALIGNED(offset, sectorsize));
assert(QEMU_IS_ALIGNED(len, sectorsize));
- iv = niv ? g_new0(uint8_t, niv) : NULL;
-
while (len > 0) {
size_t nbytes;
if (niv) {
@@ -320,19 +318,19 @@ static int do_qcrypto_block_cipher_encdec(QCryptoCipher *cipher,
}
if (ret < 0) {
- goto cleanup;
+ return -1;
}
if (qcrypto_cipher_setiv(cipher,
iv, niv,
errp) < 0) {
- goto cleanup;
+ return -1;
}
}
nbytes = len > sectorsize ? sectorsize : len;
if (func(cipher, buf, buf, nbytes, errp) < 0) {
- goto cleanup;
+ return -1;
}
startsector++;
@@ -340,10 +338,7 @@ static int do_qcrypto_block_cipher_encdec(QCryptoCipher *cipher,
len -= nbytes;
}
- ret = 0;
- cleanup:
- g_free(iv);
- return ret;
+ return 0;
}