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Fix several memory leaks

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* src/domain_conf.c src/network_conf.c src/qemu_conf.c
  src/storage_backend_fs.c: various problems spotted by valgrind
  through libvirt code
This commit is contained in:
Ryota Ozaki 2009-09-04 15:56:32 +02:00 committed by Daniel Veillard
parent c8376c91f6
commit 0cf672fa91
4 changed files with 14 additions and 7 deletions
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1
src/domain_conf.c
View File

@ -4496,6 +4496,7 @@ int virDomainSaveXML(virConnectPtr conn,
cleanup:
if (fd != -1)
close(fd);
VIR_FREE(configFile);
return ret;
}

5
src/network_conf.c
View File

@ -820,6 +820,7 @@ int virNetworkDeleteConfig(virConnectPtr conn,
{
char *configFile = NULL;
char *autostartLink = NULL;
int ret = -1;
if ((configFile = virNetworkConfigFile(conn, configDir, net->def->name)) == NULL)
goto error;
@ -836,12 +837,12 @@ int virNetworkDeleteConfig(virConnectPtr conn,
goto error;
}
return 0;
ret = 0;
error:
VIR_FREE(configFile);
VIR_FREE(autostartLink);
return -1;
return ret;
}
char *virNetworkConfigFile(virConnectPtr conn,

13
src/qemu_conf.c
View File

@ -1066,7 +1066,7 @@ qemudNetworkIfaceConnect(virConnectPtr conn,
virDomainNetDefPtr net,
int qemuCmdFlags)
{
char *brname;
char *brname = NULL;
int err;
int tapfd = -1;
int vnet_hdr = 0;
@ -1085,7 +1085,7 @@ qemudNetworkIfaceConnect(virConnectPtr conn,
if (brname == NULL)
return -1;
} else if (net->type == VIR_DOMAIN_NET_TYPE_BRIDGE) {
brname = net->data.bridge.brname;
brname = strdup(net->data.bridge.brname);
} else {
qemudReportError(conn, NULL, NULL, VIR_ERR_INTERNAL_ERROR,
_("Network type %d is not supported"), net->type);
@ -1095,7 +1095,7 @@ qemudNetworkIfaceConnect(virConnectPtr conn,
if (!driver->brctl && (err = brInit(&driver->brctl))) {
virReportSystemError(conn, err, "%s",
_("cannot initialize bridge support"));
return -1;
goto cleanup;
}
if (!net->ifname ||
@ -1104,7 +1104,7 @@ qemudNetworkIfaceConnect(virConnectPtr conn,
VIR_FREE(net->ifname);
if (!(net->ifname = strdup("vnet%d"))) {
virReportOOMError(conn);
return -1;
goto cleanup;
}
/* avoid exposing vnet%d in dumpxml or error outputs */
template_ifname = 1;
@ -1132,9 +1132,12 @@ qemudNetworkIfaceConnect(virConnectPtr conn,
}
if (template_ifname)
VIR_FREE(net->ifname);
return -1;
tapfd = -1;
}
cleanup:
VIR_FREE(brname);
return tapfd;
}

2
src/storage_backend_fs.c
View File

@ -1056,6 +1056,7 @@ virStorageBackendFileSystemVolCreate(virConnectPtr conn,
vol->type = VIR_STORAGE_VOL_FILE;
VIR_FREE(vol->target.path);
if (virAsprintf(&vol->target.path, "%s/%s",
pool->def->target.path,
vol->name) == -1) {
@ -1063,6 +1064,7 @@ virStorageBackendFileSystemVolCreate(virConnectPtr conn,
return -1;
}
VIR_FREE(vol->key);
vol->key = strdup(vol->target.path);
if (vol->key == NULL) {
virReportOOMError(conn);