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crypto: use auto cleanup for many stack variables

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Simplify cleanup paths by using glib's auto cleanup macros for stack
variables, allowing several goto jumps / labels to be eliminated.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2019-07-23 16:22:36 +01:00
parent 133cf1e5b1
commit 57b9f113fc
8 changed files with 65 additions and 133 deletions
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5
crypto/pbkdf.c
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@ -69,12 +69,10 @@ uint64_t qcrypto_pbkdf2_count_iters(QCryptoHashAlgorithm hash,
Error **errp)
{
uint64_t ret = -1;
uint8_t *out;
g_autofree uint8_t *out = g_new(uint8_t, nout);
uint64_t iterations = (1 << 15);
unsigned long long delta_ms, start_ms, end_ms;
out = g_new(uint8_t, nout);
while (1) {
if (qcrypto_pbkdf2_get_thread_cpu(&start_ms, errp) < 0) {
goto cleanup;
@ -108,6 +106,5 @@ uint64_t qcrypto_pbkdf2_count_iters(QCryptoHashAlgorithm hash,
cleanup:
memset(out, 0, nout);
g_free(out);
return ret;
}