Error out on allocation failure to reduce the nesting.
Signed-off-by: Ján Tomko <jtomko@xxxxxxxxxx>
---
src/vbox/vbox_network.c | 102 +++++++++++++++++++---------------------
1 file changed, 49 insertions(+), 53 deletions(-)
diff --git a/src/vbox/vbox_network.c b/src/vbox/vbox_network.c
index dafbc114f6..ceffc2053d 100644
--- a/src/vbox/vbox_network.c
+++ b/src/vbox/vbox_network.c
@@ -821,69 +821,65 @@ static char *vboxNetworkGetXMLDesc(virNetworkPtr network, unsigned int flags)
networkNameUtf16,
&dhcpServer);
if (dhcpServer) {
+ PRUnichar *ipAddressUtf16 = NULL;
+ PRUnichar *networkMaskUtf16 = NULL;
+ PRUnichar *fromIPAddressUtf16 = NULL;
+ PRUnichar *toIPAddressUtf16 = NULL;
+ PRUnichar *macAddressUtf16 = NULL;
+ bool errorOccurred = false;
+
ipdef->nranges = 1;
- if (VIR_ALLOC_N(ipdef->ranges, ipdef->nranges) >= 0) {
- PRUnichar *ipAddressUtf16 = NULL;
- PRUnichar *networkMaskUtf16 = NULL;
- PRUnichar *fromIPAddressUtf16 = NULL;
- PRUnichar *toIPAddressUtf16 = NULL;
- bool errorOccurred = false;
- gVBoxAPI.UIDHCPServer.GetIPAddress(dhcpServer, &ipAddressUtf16);
- gVBoxAPI.UIDHCPServer.GetNetworkMask(dhcpServer, &networkMaskUtf16);
- gVBoxAPI.UIDHCPServer.GetLowerIP(dhcpServer, &fromIPAddressUtf16);
- gVBoxAPI.UIDHCPServer.GetUpperIP(dhcpServer, &toIPAddressUtf16);
- /* Currently virtualbox supports only one dhcp server per network
- * with contiguous address space from start to end
- */
- addr = ipdef->ranges[0].addr;
- if (vboxSocketParseAddrUtf16(data, ipAddressUtf16,
- &ipdef->address) < 0 ||
- vboxSocketParseAddrUtf16(data, networkMaskUtf16,
- &ipdef->netmask) < 0 ||
- vboxSocketParseAddrUtf16(data, fromIPAddressUtf16,
- &addr.start) < 0 ||
- vboxSocketParseAddrUtf16(data, toIPAddressUtf16,
- &addr.end) < 0) {
- errorOccurred = true;
- }
+ if (VIR_ALLOC_N(ipdef->ranges, ipdef->nranges) < 0)
+ goto cleanup;
- VBOX_UTF16_FREE(ipAddressUtf16);
- VBOX_UTF16_FREE(networkMaskUtf16);
- VBOX_UTF16_FREE(fromIPAddressUtf16);
- VBOX_UTF16_FREE(toIPAddressUtf16);
-
- if (errorOccurred)
- goto cleanup;
- } else {
- ipdef->nranges = 0;
+ gVBoxAPI.UIDHCPServer.GetIPAddress(dhcpServer, &ipAddressUtf16);
+ gVBoxAPI.UIDHCPServer.GetNetworkMask(dhcpServer, &networkMaskUtf16);
+ gVBoxAPI.UIDHCPServer.GetLowerIP(dhcpServer, &fromIPAddressUtf16);
+ gVBoxAPI.UIDHCPServer.GetUpperIP(dhcpServer, &toIPAddressUtf16);
+ /* Currently virtualbox supports only one dhcp server per network
+ * with contiguous address space from start to end
+ */
+ addr = ipdef->ranges[0].addr;
+ if (vboxSocketParseAddrUtf16(data, ipAddressUtf16,
+ &ipdef->address) < 0 ||
+ vboxSocketParseAddrUtf16(data, networkMaskUtf16,
+ &ipdef->netmask) < 0 ||
+ vboxSocketParseAddrUtf16(data, fromIPAddressUtf16,
+ &addr.start) < 0 ||
+ vboxSocketParseAddrUtf16(data, toIPAddressUtf16,
+ &addr.end) < 0) {
+ errorOccurred = true;
}
+ VBOX_UTF16_FREE(ipAddressUtf16);
+ VBOX_UTF16_FREE(networkMaskUtf16);
+ VBOX_UTF16_FREE(fromIPAddressUtf16);
+ VBOX_UTF16_FREE(toIPAddressUtf16);
+
+ if (errorOccurred)
+ goto cleanup;
+
ipdef->nhosts = 1;
- if (VIR_ALLOC_N(ipdef->hosts, ipdef->nhosts) >= 0) {
- PRUnichar *macAddressUtf16 = NULL;
- PRUnichar *ipAddressUtf16 = NULL;
- bool errorOccurred = false;
+ if (VIR_ALLOC_N(ipdef->hosts, ipdef->nhosts) < 0)
+ goto cleanup;
- ipdef->hosts[0].name = g_strdup(network->name);
- gVBoxAPI.UIHNInterface.GetHardwareAddress(networkInterface, &macAddressUtf16);
- gVBoxAPI.UIHNInterface.GetIPAddress(networkInterface, &ipAddressUtf16);
+ ipdef->hosts[0].name = g_strdup(network->name);
+ gVBoxAPI.UIHNInterface.GetHardwareAddress(networkInterface, &macAddressUtf16);
+ gVBoxAPI.UIHNInterface.GetIPAddress(networkInterface, &ipAddressUtf16);
- VBOX_UTF16_TO_UTF8(macAddressUtf16, &ipdef->hosts[0].mac);
+ VBOX_UTF16_TO_UTF8(macAddressUtf16, &ipdef->hosts[0].mac);
- if (vboxSocketParseAddrUtf16(data, ipAddressUtf16,
- &ipdef->hosts[0].ip) < 0) {
- errorOccurred = true;
- }
-
- VBOX_UTF16_FREE(macAddressUtf16);
- VBOX_UTF16_FREE(ipAddressUtf16);
-
- if (errorOccurred)
- goto cleanup;
- } else {
- ipdef->nhosts = 0;
+ if (vboxSocketParseAddrUtf16(data, ipAddressUtf16,
+ &ipdef->hosts[0].ip) < 0) {
+ errorOccurred = true;
}
+
+ VBOX_UTF16_FREE(macAddressUtf16);
+ VBOX_UTF16_FREE(ipAddressUtf16);
+
+ if (errorOccurred)
+ goto cleanup;
} else {
PRUnichar *networkMaskUtf16 = NULL;
PRUnichar *ipAddressUtf16 = NULL;
--
2.26.2
