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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
Download patch file Download diff file Expand all files Collapse all files

16
crypto/tlscredsx509.c
View file

@ -378,7 +378,7 @@ qcrypto_tls_creds_load_cert(QCryptoTLSCredsX509 *creds,
{
gnutls_datum_t data;
gnutls_x509_crt_t cert = NULL;
char *buf = NULL;
g_autofree char *buf = NULL;
gsize buflen;
GError *gerr;
int ret = -1;
@ -420,7 +420,6 @@ qcrypto_tls_creds_load_cert(QCryptoTLSCredsX509 *creds,
gnutls_x509_crt_deinit(cert);
cert = NULL;
}
g_free(buf);
return cert;
}
@ -434,9 +433,8 @@ qcrypto_tls_creds_load_ca_cert_list(QCryptoTLSCredsX509 *creds,
Error **errp)
{
gnutls_datum_t data;
char *buf = NULL;
g_autofree char *buf = NULL;
gsize buflen;
int ret = -1;
GError *gerr = NULL;
*ncerts = 0;
@ -446,7 +444,7 @@ qcrypto_tls_creds_load_ca_cert_list(QCryptoTLSCredsX509 *creds,
error_setg(errp, "Cannot load CA cert list %s: %s",
certFile, gerr->message);
g_error_free(gerr);
goto cleanup;
return -1;
}
data.data = (unsigned char *)buf;
@ -457,15 +455,11 @@ qcrypto_tls_creds_load_ca_cert_list(QCryptoTLSCredsX509 *creds,
error_setg(errp,
"Unable to import CA certificate list %s",
certFile);
goto cleanup;
return -1;
}
*ncerts = certMax;
ret = 0;
cleanup:
g_free(buf);
return ret;
return 0;
}