3:18 a.m.
Use g_autofree more often and remove unnecessary cleanup/error
labels.
diff to v1:
* use g_autofree for uuid in 'virNWFilterDefParseXML'
* remove unused rc in security_apparmor.c
Jiang Jiacheng (9):
conf: use g_autofree and remove unnecessary label
interface: use g_autofree and remove unnecessary label
locking: use g_autofree and remove unnecessary label
remote: use g_autofree and remove unnecessary label
rpc: use g_autofree and remove unnecessary label
security: use g_autofree and remove unnecessary label
util: use g_autofree and remove unnecessary label
vmware: use g_autofree and remove unnecessary label
vz: use g_autofree and remove unnecessary label
src/conf/domain_audit.c | 121 ++++++++-----------------
src/conf/node_device_util.c | 49 ++++------
src/conf/nwfilter_conf.c | 55 ++++-------
src/conf/virnetworkobj.c | 85 ++++++-----------
src/conf/virnetworkportdef.c | 12 +--
src/conf/virnwfilterbindingobj.c | 22 ++---
src/conf/virnwfilterobj.c | 19 +---
src/conf/virstorageobj.c | 23 ++---
src/interface/interface_backend_udev.c | 22 ++---
src/locking/lock_driver_lockd.c | 36 +++-----
src/locking/lock_driver_sanlock.c | 46 ++++------
src/remote/remote_driver.c | 22 ++---
src/rpc/virnetclientprogram.c | 6 +-
src/rpc/virnettlscontext.c | 16 +---
src/security/security_apparmor.c | 94 +++++++------------
src/util/virconf.c | 27 ++----
src/vmware/vmware_conf.c | 28 ++----
src/vz/vz_utils.c | 18 ++--
18 files changed, 239 insertions(+), 462 deletions(-)
--
2.33.0
3:18 a.m.
New subject: [PATCH V2 1/9] conf: use g_autofree and remove unnecessary label
Signed-off-by: Jiang Jiacheng <jiangjiacheng(a)huawei.com>
---
src/conf/domain_audit.c | 121 ++++++++++---------------------
src/conf/node_device_util.c | 49 +++++--------
src/conf/nwfilter_conf.c | 55 +++++---------
src/conf/virnetworkobj.c | 85 ++++++++--------------
src/conf/virnetworkportdef.c | 12 +--
src/conf/virnwfilterbindingobj.c | 22 ++----
src/conf/virnwfilterobj.c | 19 ++---
src/conf/virstorageobj.c | 23 ++----
8 files changed, 129 insertions(+), 257 deletions(-)
diff --git a/src/conf/domain_audit.c b/src/conf/domain_audit.c
index 82cf6ab749..ae875188bd 100644
--- a/src/conf/domain_audit.c
+++ b/src/conf/domain_audit.c
@@ -300,9 +300,9 @@ virDomainAuditNetDevice(virDomainDef *vmDef, virDomainNetDef *netDef,
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
char macstr[VIR_MAC_STRING_BUFLEN];
- char *vmname;
- char *dev_name = NULL;
- char *rdev;
+ g_autofree char *vmname = NULL;
+ g_autofree char *dev_name = NULL;
+ g_autofree char *rdev = NULL;
const char *virt = virDomainAuditGetVirtType(vmDef);
virUUIDFormat(vmDef->uuid, uuidstr);
@@ -312,17 +312,12 @@ virDomainAuditNetDevice(virDomainDef *vmDef, virDomainNetDef
*netDef,
if (!(vmname = virAuditEncode("vm", vmDef->name)) ||
!(dev_name = virAuditEncode("path", device))) {
VIR_WARN("OOM while encoding audit message");
- goto cleanup;
+ return;
}
VIR_AUDIT(VIR_AUDIT_RECORD_RESOURCE, success,
"virt=%s resrc=net reason=open %s uuid=%s net=%s %s rdev=%s",
virt, vmname, uuidstr, macstr, dev_name, VIR_AUDIT_STR(rdev));
-
- cleanup:
- VIR_FREE(vmname);
- VIR_FREE(dev_name);
- VIR_FREE(rdev);
}
/**
@@ -339,9 +334,9 @@ virDomainAuditHostdev(virDomainObj *vm, virDomainHostdevDef *hostdev,
const char *reason, bool success)
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
- char *vmname;
- char *address = NULL;
- char *device = NULL;
+ g_autofree char *vmname = NULL;
+ g_autofree char *address = NULL;
+ g_autofree char *device = NULL;
const char *virt = virDomainAuditGetVirtType(vm->def);
virDomainHostdevSubsysUSB *usbsrc = &hostdev->source.subsys.u.usb;
@@ -371,7 +366,7 @@ virDomainAuditHostdev(virDomainObj *vm, virDomainHostdevDef *hostdev,
/* Follow virDomainAuditDisk && virDomainAuditGenericDev
* and don't audit the networked device.
*/
- goto cleanup;
+ return;
} else {
virDomainHostdevSubsysSCSIHost *scsihostsrc = &scsisrc->u.host;
@@ -392,12 +387,12 @@ virDomainAuditHostdev(virDomainObj *vm, virDomainHostdevDef
*hostdev,
default:
VIR_WARN("Unexpected hostdev type while encoding audit message:
%d",
hostdev->source.subsys.type);
- goto cleanup;
+ return;
}
if (!(device = virAuditEncode("device", VIR_AUDIT_STR(address)))) {
VIR_WARN("OOM while encoding audit message");
- goto cleanup;
+ return;
}
VIR_AUDIT(VIR_AUDIT_RECORD_RESOURCE, success,
@@ -413,7 +408,7 @@ virDomainAuditHostdev(virDomainObj *vm, virDomainHostdevDef *hostdev,
if (!(device = virAuditEncode("disk",
VIR_AUDIT_STR(hostdev->source.caps.u.storage.block)))) {
VIR_WARN("OOM while encoding audit message");
- goto cleanup;
+ return;
}
VIR_AUDIT(VIR_AUDIT_RECORD_RESOURCE, success,
@@ -425,7 +420,7 @@ virDomainAuditHostdev(virDomainObj *vm, virDomainHostdevDef *hostdev,
if (!(device = virAuditEncode("chardev",
VIR_AUDIT_STR(hostdev->source.caps.u.misc.chardev)))) {
VIR_WARN("OOM while encoding audit message");
- goto cleanup;
+ return;
}
VIR_AUDIT(VIR_AUDIT_RECORD_RESOURCE, success,
@@ -436,7 +431,7 @@ virDomainAuditHostdev(virDomainObj *vm, virDomainHostdevDef *hostdev,
default:
VIR_WARN("Unexpected hostdev type while encoding audit message:
%d",
hostdev->source.caps.type);
- goto cleanup;
+ return;
}
break;
@@ -444,13 +439,8 @@ virDomainAuditHostdev(virDomainObj *vm, virDomainHostdevDef
*hostdev,
default:
VIR_WARN("Unexpected hostdev mode while encoding audit message: %d",
hostdev->mode);
- goto cleanup;
+ return;
}
-
- cleanup:
- VIR_FREE(vmname);
- VIR_FREE(device);
- VIR_FREE(address);
}
@@ -468,9 +458,9 @@ virDomainAuditRedirdev(virDomainObj *vm, virDomainRedirdevDef
*redirdev,
const char *reason, bool success)
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
- char *vmname;
- char *address = NULL;
- char *device = NULL;
+ g_autofree char *vmname = NULL;
+ g_autofree char *address = NULL;
+ g_autofree char *device = NULL;
const char *virt = virDomainAuditGetVirtType(vm->def);
virUUIDFormat(vm->def->uuid, uuidstr);
@@ -486,12 +476,12 @@ virDomainAuditRedirdev(virDomainObj *vm, virDomainRedirdevDef
*redirdev,
default:
VIR_WARN("Unexpected redirdev bus while encoding audit message: %d",
redirdev->bus);
- goto cleanup;
+ return;
}
if (!(device = virAuditEncode("device", VIR_AUDIT_STR(address)))) {
VIR_WARN("OOM while encoding audit message");
- goto cleanup;
+ return;
}
VIR_AUDIT(VIR_AUDIT_RECORD_RESOURCE, success,
@@ -499,11 +489,6 @@ virDomainAuditRedirdev(virDomainObj *vm, virDomainRedirdevDef
*redirdev,
virt, reason, vmname, uuidstr,
virDomainRedirdevBusTypeToString(redirdev->bus),
device);
-
- cleanup:
- VIR_FREE(vmname);
- VIR_FREE(device);
- VIR_FREE(address);
}
@@ -522,9 +507,9 @@ virDomainAuditTPM(virDomainObj *vm, virDomainTPMDef *tpm,
const char *reason, bool success)
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
- char *vmname;
+ g_autofree char *vmname = NULL;
char *path = NULL;
- char *device = NULL;
+ g_autofree char *device = NULL;
const char *virt = virDomainAuditGetVirtType(vm->def);
virUUIDFormat(vm->def->uuid, uuidstr);
@@ -538,7 +523,7 @@ virDomainAuditTPM(virDomainObj *vm, virDomainTPMDef *tpm,
path = tpm->data.passthrough.source->data.file.path;
if (!(device = virAuditEncode("device", VIR_AUDIT_STR(path)))) {
VIR_WARN("OOM while encoding audit message");
- goto cleanup;
+ return;
}
VIR_AUDIT(VIR_AUDIT_RECORD_RESOURCE, success,
@@ -549,7 +534,7 @@ virDomainAuditTPM(virDomainObj *vm, virDomainTPMDef *tpm,
path = tpm->data.emulator.source->data.nix.path;
if (!(device = virAuditEncode("device", VIR_AUDIT_STR(path)))) {
VIR_WARN("OOM while encoding audit message");
- goto cleanup;
+ return;
}
VIR_AUDIT(VIR_AUDIT_RECORD_RESOURCE, success,
@@ -560,7 +545,7 @@ virDomainAuditTPM(virDomainObj *vm, virDomainTPMDef *tpm,
path = tpm->data.external.source->data.nix.path;
if (!(device = virAuditEncode("device", VIR_AUDIT_STR(path)))) {
VIR_WARN("OOM while encoding audit message");
- goto cleanup;
+ return;
}
VIR_AUDIT(VIR_AUDIT_RECORD_RESOURCE, success,
@@ -571,10 +556,6 @@ virDomainAuditTPM(virDomainObj *vm, virDomainTPMDef *tpm,
default:
break;
}
-
- cleanup:
- VIR_FREE(vmname);
- VIR_FREE(device);
}
@@ -596,9 +577,9 @@ virDomainAuditCgroup(virDomainObj *vm, virCgroup *cgroup,
const char *reason, const char *extra, bool success)
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
- char *vmname;
- char *controller = NULL;
- char *detail;
+ g_autofree char *vmname = NULL;
+ g_autofree char *controller = NULL;
+ g_autofree char *detail = NULL;
const char *virt = virDomainAuditGetVirtType(vm->def);
virUUIDFormat(vm->def->uuid, uuidstr);
@@ -616,10 +597,6 @@ virDomainAuditCgroup(virDomainObj *vm, virCgroup *cgroup,
"virt=%s resrc=cgroup reason=%s %s uuid=%s %s class=%s",
virt, reason, vmname, uuidstr,
detail ? detail : "cgroup=?", extra);
-
- VIR_FREE(vmname);
- VIR_FREE(controller);
- VIR_FREE(detail);
}
/**
@@ -639,14 +616,12 @@ virDomainAuditCgroupMajor(virDomainObj *vm, virCgroup *cgroup,
const char *reason, int maj, const char *name,
const char *perms, bool success)
{
- char *extra;
+ g_autofree char *extra = NULL;
extra = g_strdup_printf("major category=%s maj=%02X acl=%s",
name, maj, perms);
virDomainAuditCgroup(vm, cgroup, reason, extra, success);
-
- VIR_FREE(extra);
}
/**
@@ -666,9 +641,9 @@ virDomainAuditCgroupPath(virDomainObj *vm, virCgroup *cgroup,
const char *reason, const char *path, const char *perms,
int rc)
{
- char *detail;
- char *rdev;
- char *extra = NULL;
+ g_autofree char *detail = NULL;
+ g_autofree char *rdev = NULL;
+ g_autofree char *extra = NULL;
/* Nothing to audit for regular files. */
if (rc > 0)
@@ -678,18 +653,13 @@ virDomainAuditCgroupPath(virDomainObj *vm, virCgroup *cgroup,
if (!(detail = virAuditEncode("path", path))) {
VIR_WARN("OOM while encoding audit message");
- goto cleanup;
+ return;
}
extra = g_strdup_printf("path %s rdev=%s acl=%s",
detail, VIR_AUDIT_STR(rdev), perms);
virDomainAuditCgroup(vm, cgroup, reason, extra, rc == 0);
-
- cleanup:
- VIR_FREE(extra);
- VIR_FREE(detail);
- VIR_FREE(rdev);
}
/**
@@ -709,7 +679,7 @@ virDomainAuditResource(virDomainObj *vm, const char *resource,
const char *reason, bool success)
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
- char *vmname;
+ g_autofree char *vmname = NULL;
const char *virt = virDomainAuditGetVirtType(vm->def);
virUUIDFormat(vm->def->uuid, uuidstr);
@@ -722,8 +692,6 @@ virDomainAuditResource(virDomainObj *vm, const char *resource,
"virt=%s resrc=%s reason=%s %s uuid=%s old-%s=%lld new-%s=%lld",
virt, resource, reason, vmname, uuidstr,
resource, oldval, resource, newval);
-
- VIR_FREE(vmname);
}
void
@@ -756,7 +724,7 @@ virDomainAuditLifecycle(virDomainObj *vm, const char *op,
const char *reason, bool success)
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
- char *vmname;
+ g_autofree char *vmname = NULL;
const char *virt = virDomainAuditGetVirtType(vm->def);
virUUIDFormat(vm->def->uuid, uuidstr);
@@ -769,8 +737,6 @@ virDomainAuditLifecycle(virDomainObj *vm, const char *op,
VIR_AUDIT(VIR_AUDIT_RECORD_MACHINE_CONTROL, success,
"virt=%s op=%s reason=%s %s uuid=%s vm-pid=%lld",
virt, op, reason, vmname, uuidstr, (long long)vm->pid);
-
- VIR_FREE(vmname);
}
@@ -851,7 +817,7 @@ virDomainAuditInit(virDomainObj *vm,
ino_t pidns)
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
- char *vmname;
+ g_autofree char *vmname = NULL;
const char *virt = virDomainAuditGetVirtType(vm->def);
virUUIDFormat(vm->def->uuid, uuidstr);
@@ -865,8 +831,6 @@ virDomainAuditInit(virDomainObj *vm,
"virt=%s op=init %s uuid=%s vm-pid=%lld init-pid=%lld
pid-ns=%lld",
virt, vmname, uuidstr, (long long)vm->pid, (long long)initpid,
(long long)pidns);
-
- VIR_FREE(vmname);
}
void
@@ -879,7 +843,7 @@ void
virDomainAuditSecurityLabel(virDomainObj *vm, bool success)
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
- char *vmname;
+ g_autofree char *vmname = NULL;
size_t i;
const char *virt = virDomainAuditGetVirtType(vm->def);
@@ -897,8 +861,6 @@ virDomainAuditSecurityLabel(virDomainObj *vm, bool success)
VIR_AUDIT_STR(vm->def->seclabels[i]->imagelabel),
VIR_AUDIT_STR(vm->def->seclabels[i]->model));
}
-
- VIR_FREE(vmname);
}
void
@@ -907,16 +869,16 @@ virDomainAuditShmem(virDomainObj *vm,
const char *reason, bool success)
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
- char *vmname = virAuditEncode("vm", vm->def->name);
+ g_autofree char *vmname = virAuditEncode("vm", vm->def->name);
const char *srcpath = virDomainChrSourceDefGetPath(def->server.chr);
const char *virt = virDomainAuditGetVirtType(vm->def);
- char *shmpath = NULL;
+ g_autofree char *shmpath = NULL;
virUUIDFormat(vm->def->uuid, uuidstr);
if (!vmname) {
VIR_WARN("OOM while encoding audit message");
- goto cleanup;
+ return;
}
shmpath = g_strdup_printf("/dev/shm/%s", def->name);
@@ -936,11 +898,6 @@ virDomainAuditShmem(virDomainObj *vm,
"virt=%s resrc=shmem reason=%s %s uuid=%s size=%llu
path=%s",
virt, reason, vmname, uuidstr, def->size, VIR_AUDIT_STR(shmpath));
}
-
- cleanup:
- VIR_FREE(vmname);
- VIR_FREE(shmpath);
- return;
}
diff --git a/src/conf/node_device_util.c b/src/conf/node_device_util.c
index dfec1a91ce..c2fa73afc1 100644
--- a/src/conf/node_device_util.c
+++ b/src/conf/node_device_util.c
@@ -78,7 +78,7 @@ virNodeDeviceCreateVport(virStorageAdapterFCHost *fchost)
{
unsigned int parent_host;
char *name = NULL;
- char *parent_hoststr = NULL;
+ g_autofree char *parent_hoststr = NULL;
bool skip_capable_check = false;
VIR_DEBUG("parent='%s', wwnn='%s' wwpn='%s'",
@@ -91,27 +91,27 @@ virNodeDeviceCreateVport(virStorageAdapterFCHost *fchost)
fchost->parent_wwpn))) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot find parent using provided wwnn/wwpn"));
- goto cleanup;
+ return name;
}
} else if (fchost->parent_fabric_wwn) {
if (!(parent_hoststr =
virVHBAGetHostByFabricWWN(NULL, fchost->parent_fabric_wwn))) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot find parent using provided fabric_wwn"));
- goto cleanup;
+ return name;
}
} else {
if (!(parent_hoststr = virVHBAFindVportHost(NULL))) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("'parent' for vHBA not specified, and "
"cannot find one on this host"));
- goto cleanup;
+ return name;
}
skip_capable_check = true;
}
if (virSCSIHostGetNumber(parent_hoststr, &parent_host) < 0)
- goto cleanup;
+ return name;
/* NOTE:
* We do not save the parent_hoststr in fchost->parent since
@@ -125,23 +125,21 @@ virNodeDeviceCreateVport(virStorageAdapterFCHost *fchost)
virReportError(VIR_ERR_XML_ERROR,
_("parent '%s' specified for vHBA does not
exist"),
parent_hoststr);
- goto cleanup;
+ return name;
}
if (virVHBAManageVport(parent_host, fchost->wwpn, fchost->wwnn,
VPORT_CREATE) < 0)
- goto cleanup;
+ return name;
/* Let's ensure the device was created */
virWaitForDevices();
if (!(name = virVHBAGetHostByWWN(NULL, fchost->wwnn, fchost->wwpn))) {
ignore_value(virVHBAManageVport(parent_host, fchost->wwpn, fchost->wwnn,
VPORT_DELETE));
- goto cleanup;
+ return name;
}
- cleanup:
- VIR_FREE(parent_hoststr);
return name;
}
@@ -160,11 +158,10 @@ int
virNodeDeviceDeleteVport(virConnectPtr conn,
virStorageAdapterFCHost *fchost)
{
- char *name = NULL;
- char *scsi_host_name = NULL;
+ g_autofree char *name = NULL;
+ g_autofree char *scsi_host_name = NULL;
unsigned int parent_host;
- char *vhba_parent = NULL;
- int ret = -1;
+ g_autofree char *vhba_parent = NULL;
VIR_DEBUG("conn=%p parent='%s', managed='%d' wwnn='%s'
wwpn='%s'",
conn, NULLSTR(fchost->parent), fchost->managed,
@@ -179,7 +176,7 @@ virNodeDeviceDeleteVport(virConnectPtr conn,
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to find fc_host for wwnn='%s' and
wwpn='%s'"),
fchost->wwnn, fchost->wwpn);
- goto cleanup;
+ return -1;
}
scsi_host_name = g_strdup_printf("scsi_%s", name);
@@ -193,36 +190,28 @@ virNodeDeviceDeleteVport(virConnectPtr conn,
* was the same as the scsi_host - meaning we have a pool
* backed to an HBA, so there won't be a vHBA to delete */
if (STREQ(scsi_host_name, fchost->parent)) {
- ret = 0;
- goto cleanup;
+ return 0;
}
if (virSCSIHostGetNumber(fchost->parent, &parent_host) < 0)
- goto cleanup;
+ return -1;
} else {
if (!(vhba_parent = virNodeDeviceGetParentName(conn, scsi_host_name)))
- goto cleanup;
+ return -1;
/* If the parent is not a scsi_host, then this is a pool backed
* directly to an HBA and there's no vHBA to remove - so we're done */
if (!STRPREFIX(vhba_parent, "scsi_host")) {
- ret = 0;
- goto cleanup;
+ return 0;
}
if (virSCSIHostGetNumber(vhba_parent, &parent_host) < 0)
- goto cleanup;
+ return -1;
}
if (virVHBAManageVport(parent_host, fchost->wwpn, fchost->wwnn,
VPORT_DELETE) < 0)
- goto cleanup;
-
- ret = 0;
+ return -1;
- cleanup:
- VIR_FREE(name);
- VIR_FREE(vhba_parent);
- VIR_FREE(scsi_host_name);
- return ret;
+ return 0;
}
diff --git a/src/conf/nwfilter_conf.c b/src/conf/nwfilter_conf.c
index 9a95ae6c12..e5ea45b0b7 100644
--- a/src/conf/nwfilter_conf.c
+++ b/src/conf/nwfilter_conf.c
@@ -2375,10 +2375,10 @@ virNWFilterRuleDefFixup(virNWFilterRuleDef *rule)
static virNWFilterRuleDef *
virNWFilterRuleParse(xmlNodePtr node)
{
- char *action;
- char *direction;
- char *prio;
- char *statematch;
+ g_autofree char *action = NULL;
+ g_autofree char *direction = NULL;
+ g_autofree char *prio = NULL;
+ g_autofree char *statematch = NULL;
bool found;
int found_i = 0;
int priority;
@@ -2476,17 +2476,11 @@ virNWFilterRuleParse(xmlNodePtr node)
virNWFilterRuleDefFixup(ret);
- cleanup:
- VIR_FREE(prio);
- VIR_FREE(action);
- VIR_FREE(direction);
- VIR_FREE(statematch);
-
return ret;
err_exit:
g_clear_pointer(&ret, virNWFilterRuleDefFree);
- goto cleanup;
+ return ret;
}
@@ -2521,7 +2515,7 @@ virNWFilterIsAllowedChain(const char *chainname)
{
virNWFilterChainSuffixType i;
const char *name;
- char *msg;
+ g_autofree char *msg = NULL;
g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER;
bool printed = false;
@@ -2559,7 +2553,6 @@ virNWFilterIsAllowedChain(const char *chainname)
msg = virBufferContentAndReset(&buf);
virReportError(VIR_ERR_INVALID_ARG, "%s", msg);
- VIR_FREE(msg);
return NULL;
}
@@ -2570,9 +2563,9 @@ virNWFilterDefParseXML(xmlXPathContextPtr ctxt)
{
virNWFilterDef *ret;
xmlNodePtr curr = ctxt->node;
- char *uuid = NULL;
- char *chain = NULL;
- char *chain_pri_s = NULL;
+ g_autofree char *uuid = NULL;
+ g_autofree char *chain = NULL;
+ g_autofree char *chain_pri_s = NULL;
virNWFilterEntry *entry;
int chain_priority;
const char *name_prefix;
@@ -2641,7 +2634,6 @@ virNWFilterDefParseXML(xmlXPathContextPtr ctxt)
"%s", _("malformed uuid element"));
goto cleanup;
}
- VIR_FREE(uuid);
}
curr = curr->children;
@@ -2671,16 +2663,10 @@ virNWFilterDefParseXML(xmlXPathContextPtr ctxt)
curr = curr->next;
}
- VIR_FREE(chain);
- VIR_FREE(chain_pri_s);
-
return ret;
cleanup:
virNWFilterDefFree(ret);
- VIR_FREE(chain);
- VIR_FREE(uuid);
- VIR_FREE(chain_pri_s);
return NULL;
}
@@ -2707,24 +2693,21 @@ virNWFilterSaveConfig(const char *configDir,
virNWFilterDef *def)
{
int ret = -1;
- char *xml;
+ g_autofree char *xml = NULL;
char uuidstr[VIR_UUID_STRING_BUFLEN];
- char *configFile = NULL;
+ g_autofree char *configFile = NULL;
if (!(xml = virNWFilterDefFormat(def)))
- goto cleanup;
+ return ret;
if (!(configFile = virFileBuildPath(configDir, def->name, ".xml")))
- goto cleanup;
+ return ret;
virUUIDFormat(def->uuid, uuidstr);
ret = virXMLSaveFile(configFile,
virXMLPickShellSafeComment(def->name, uuidstr),
"nwfilter-edit", xml);
- cleanup:
- VIR_FREE(configFile);
- VIR_FREE(xml);
return ret;
}
@@ -2733,23 +2716,19 @@ int
virNWFilterDeleteDef(const char *configDir,
virNWFilterDef *def)
{
- int ret = -1;
- char *configFile = NULL;
+ g_autofree char *configFile = NULL;
if (!(configFile = virFileBuildPath(configDir, def->name, ".xml")))
- goto error;
+ return -1;
if (unlink(configFile) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot remove config for %s"),
def->name);
- goto error;
+ return -1;
}
- ret = 0;
- error:
- VIR_FREE(configFile);
- return ret;
+ return 0;
}
diff --git a/src/conf/virnetworkobj.c b/src/conf/virnetworkobj.c
index 635d2ec0b0..c75ecf3a04 100644
--- a/src/conf/virnetworkobj.c
+++ b/src/conf/virnetworkobj.c
@@ -260,8 +260,7 @@ virNetworkObjMacMgrAdd(virNetworkObj *obj,
const virMacAddr *mac)
{
char macStr[VIR_MAC_STRING_BUFLEN];
- char *file = NULL;
- int ret = -1;
+ g_autofree char *file = NULL;
if (!obj->macmap)
return 0;
@@ -269,18 +268,15 @@ virNetworkObjMacMgrAdd(virNetworkObj *obj,
virMacAddrFormat(mac, macStr);
if (!(file = virMacMapFileName(dnsmasqStateDir, obj->def->bridge)))
- goto cleanup;
+ return -1;
if (virMacMapAdd(obj->macmap, domain, macStr) < 0)
- goto cleanup;
+ return -1;
if (virMacMapWriteFile(obj->macmap, file) < 0)
- goto cleanup;
+ return -1;
- ret = 0;
- cleanup:
- VIR_FREE(file);
- return ret;
+ return 0;
}
@@ -291,8 +287,7 @@ virNetworkObjMacMgrDel(virNetworkObj *obj,
const virMacAddr *mac)
{
char macStr[VIR_MAC_STRING_BUFLEN];
- char *file = NULL;
- int ret = -1;
+ g_autofree char *file = NULL;
if (!obj->macmap)
return 0;
@@ -300,18 +295,15 @@ virNetworkObjMacMgrDel(virNetworkObj *obj,
virMacAddrFormat(mac, macStr);
if (!(file = virMacMapFileName(dnsmasqStateDir, obj->def->bridge)))
- goto cleanup;
+ return -1;
if (virMacMapRemove(obj->macmap, domain, macStr) < 0)
- goto cleanup;
+ return -1;
if (virMacMapWriteFile(obj->macmap, file) < 0)
- goto cleanup;
+ return -1;
- ret = 0;
- cleanup:
- VIR_FREE(file);
- return ret;
+ return 0;
}
@@ -819,20 +811,16 @@ virNetworkObjSaveStatus(const char *statusDir,
virNetworkObj *obj,
virNetworkXMLOption *xmlopt)
{
- int ret = -1;
int flags = 0;
- char *xml;
+ g_autofree char *xml = NULL;
if (!(xml = virNetworkObjFormat(obj, xmlopt, flags)))
- goto cleanup;
+ return -1;
if (virNetworkSaveXML(statusDir, obj->def, xml))
- goto cleanup;
+ return -1;
- ret = 0;
- cleanup:
- VIR_FREE(xml);
- return ret;
+ return 0;
}
@@ -953,29 +941,30 @@ virNetworkLoadConfig(virNetworkObjList *nets,
const char *name,
virNetworkXMLOption *xmlopt)
{
- char *configFile = NULL, *autostartLink = NULL;
+ g_autofree char *configFile = NULL;
+ g_autofree char *autostartLink = NULL;
g_autoptr(virNetworkDef) def = NULL;
virNetworkObj *obj;
bool saveConfig = false;
int autostart;
if ((configFile = virNetworkConfigFile(configDir, name)) == NULL)
- goto error;
+ return NULL;
if ((autostartLink = virNetworkConfigFile(autostartDir, name)) == NULL)
- goto error;
+ return NULL;
if ((autostart = virFileLinkPointsTo(autostartLink, configFile)) < 0)
- goto error;
+ return NULL;
if (!(def = virNetworkDefParse(NULL, configFile, xmlopt, false)))
- goto error;
+ return NULL;
if (STRNEQ(name, def->name)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Network config filename '%s'"
" does not match network name '%s'"),
configFile, def->name);
- goto error;
+ return NULL;
}
switch ((virNetworkForwardType) def->forward.type) {
@@ -1005,7 +994,7 @@ virNetworkLoadConfig(virNetworkObjList *nets,
case VIR_NETWORK_FORWARD_LAST:
default:
virReportEnumRangeError(virNetworkForwardType, def->forward.type);
- goto error;
+ return NULL;
}
/* The network didn't have a UUID so we generated a new one, and
@@ -1016,25 +1005,17 @@ virNetworkLoadConfig(virNetworkObjList *nets,
if (saveConfig &&
virNetworkSaveConfig(configDir, def, xmlopt) < 0) {
- goto error;
+ return NULL;
}
if (!(obj = virNetworkObjAssignDef(nets, def, 0)))
- goto error;
+ return NULL;
def = NULL;
obj->autostart = (autostart == 1);
- VIR_FREE(configFile);
- VIR_FREE(autostartLink);
-
return obj;
-
- error:
- VIR_FREE(configFile);
- VIR_FREE(autostartLink);
- return NULL;
}
@@ -1110,14 +1091,13 @@ virNetworkObjDeleteConfig(const char *configDir,
const char *autostartDir,
virNetworkObj *obj)
{
- char *configFile = NULL;
- char *autostartLink = NULL;
- int ret = -1;
+ g_autofree char *configFile = NULL;
+ g_autofree char *autostartLink = NULL;
if (!(configFile = virNetworkConfigFile(configDir, obj->def->name)))
- goto error;
+ return -1;
if (!(autostartLink = virNetworkConfigFile(autostartDir, obj->def->name)))
- goto error;
+ return -1;
/* Not fatal if this doesn't work */
unlink(autostartLink);
@@ -1127,15 +1107,10 @@ virNetworkObjDeleteConfig(const char *configDir,
virReportSystemError(errno,
_("cannot remove config file '%s'"),
configFile);
- goto error;
+ return -1;
}
- ret = 0;
-
- error:
- VIR_FREE(configFile);
- VIR_FREE(autostartLink);
- return ret;
+ return 0;
}
diff --git a/src/conf/virnetworkportdef.c b/src/conf/virnetworkportdef.c
index 035e3fe758..37f5376976 100644
--- a/src/conf/virnetworkportdef.c
+++ b/src/conf/virnetworkportdef.c
@@ -415,22 +415,18 @@ virNetworkPortDefDeleteStatus(virNetworkPortDef *def,
const char *dir)
{
char uuidstr[VIR_UUID_STRING_BUFLEN];
- char *path;
- int ret = -1;
+ g_autofree char *path = NULL;
virUUIDFormat(def->uuid, uuidstr);
if (!(path = virNetworkPortDefConfigFile(dir, uuidstr)))
- goto cleanup;
+ return -1;
if (unlink(path) < 0 && errno != ENOENT) {
virReportSystemError(errno,
_("Unable to delete %s"), path);
- goto cleanup;
+ return -1;
}
- ret = 0;
- cleanup:
- VIR_FREE(path);
- return ret;
+ return 0;
}
diff --git a/src/conf/virnwfilterbindingobj.c b/src/conf/virnwfilterbindingobj.c
index 6e67c5c7b6..862f825422 100644
--- a/src/conf/virnwfilterbindingobj.c
+++ b/src/conf/virnwfilterbindingobj.c
@@ -146,8 +146,8 @@ int
virNWFilterBindingObjSave(const virNWFilterBindingObj *obj,
const char *statusDir)
{
- char *filename;
- char *xml = NULL;
+ g_autofree char *filename = NULL;
+ g_autofree char *xml = NULL;
int ret = -1;
if (!(filename = virNWFilterBindingObjConfigFile(statusDir,
@@ -155,22 +155,19 @@ virNWFilterBindingObjSave(const virNWFilterBindingObj *obj,
return -1;
if (!(xml = virNWFilterBindingObjFormat(obj)))
- goto cleanup;
+ return -1;
if (g_mkdir_with_parents(statusDir, 0777) < 0) {
virReportSystemError(errno,
_("cannot create config directory '%s'"),
statusDir);
- goto cleanup;
+ return -1;
}
ret = virXMLSaveFile(filename,
obj->def->portdevname,
"nwfilter-binding-create",
xml);
- cleanup:
- VIR_FREE(xml);
- VIR_FREE(filename);
return ret;
}
@@ -179,8 +176,7 @@ int
virNWFilterBindingObjDelete(const virNWFilterBindingObj *obj,
const char *statusDir)
{
- char *filename;
- int ret = -1;
+ g_autofree char *filename = NULL;
if (!(filename = virNWFilterBindingObjConfigFile(statusDir,
obj->def->portdevname)))
@@ -191,14 +187,10 @@ virNWFilterBindingObjDelete(const virNWFilterBindingObj *obj,
virReportSystemError(errno,
_("Unable to remove status '%s' for nwfilter
binding %s'"),
filename, obj->def->portdevname);
- goto cleanup;
+ return -1;
}
- ret = 0;
-
- cleanup:
- VIR_FREE(filename);
- return ret;
+ return 0;
}
diff --git a/src/conf/virnwfilterobj.c b/src/conf/virnwfilterobj.c
index e8dfe66b3c..2e75e90cf1 100644
--- a/src/conf/virnwfilterobj.c
+++ b/src/conf/virnwfilterobj.c
@@ -281,21 +281,14 @@ static bool
virNWFilterDefEqual(const virNWFilterDef *def1,
virNWFilterDef *def2)
{
- bool ret = false;
- char *xml1 = NULL;
- char *xml2 = NULL;
+ g_autofree char *xml1 = NULL;
+ g_autofree char *xml2 = NULL;
if (!(xml1 = virNWFilterDefFormat(def1)) ||
!(xml2 = virNWFilterDefFormat(def2)))
- goto cleanup;
-
- ret = STREQ(xml1, xml2);
+ return false;
- cleanup:
- VIR_FREE(xml1);
- VIR_FREE(xml2);
-
- return ret;
+ return STREQ(xml1, xml2);
}
@@ -573,7 +566,7 @@ virNWFilterObjListLoadConfig(virNWFilterObjList *nwfilters,
{
virNWFilterDef *def = NULL;
virNWFilterObj *obj;
- char *configFile = NULL;
+ g_autofree char *configFile = NULL;
if (!(configFile = virFileBuildPath(configDir, name, ".xml")))
goto error;
@@ -597,11 +590,9 @@ virNWFilterObjListLoadConfig(virNWFilterObjList *nwfilters,
if (!(obj = virNWFilterObjListAssignDef(nwfilters, def)))
goto error;
- VIR_FREE(configFile);
return obj;
error:
- VIR_FREE(configFile);
virNWFilterDefFree(def);
return NULL;
}
diff --git a/src/conf/virstorageobj.c b/src/conf/virstorageobj.c
index 98d9e0b97e..e6c187e80a 100644
--- a/src/conf/virstorageobj.c
+++ b/src/conf/virstorageobj.c
@@ -1088,9 +1088,8 @@ static int
getSCSIHostNumber(virStorageAdapterSCSIHost *scsi_host,
unsigned int *hostnum)
{
- int ret = -1;
unsigned int num;
- char *name = NULL;
+ g_autofree char *name = NULL;
if (scsi_host->has_parent) {
virPCIDeviceAddress *addr = &scsi_host->parentaddr;
@@ -1101,20 +1100,17 @@ getSCSIHostNumber(virStorageAdapterSCSIHost *scsi_host,
addr->slot,
addr->function,
unique_id)))
- goto cleanup;
+ return -1;
if (virSCSIHostGetNumber(name, &num) < 0)
- goto cleanup;
+ return -1;
} else {
if (virSCSIHostGetNumber(scsi_host->name, &num) < 0)
- goto cleanup;
+ return -1;
}
*hostnum = num;
- ret = 0;
- cleanup:
- VIR_FREE(name);
- return ret;
+ return 0;
}
@@ -1147,9 +1143,9 @@ matchFCHostToSCSIHost(virStorageAdapterFCHost *fchost,
{
virConnectPtr conn = NULL;
bool ret = false;
- char *name = NULL;
- char *scsi_host_name = NULL;
- char *parent_name = NULL;
+ g_autofree char *name = NULL;
+ g_autofree char *scsi_host_name = NULL;
+ g_autofree char *parent_name = NULL;
/* If we have a parent defined, get its hostnum, and compare to the
* scsi_hostnum. If they are the same, then we have a match
@@ -1202,9 +1198,6 @@ matchFCHostToSCSIHost(virStorageAdapterFCHost *fchost,
*/
cleanup:
- VIR_FREE(name);
- VIR_FREE(parent_name);
- VIR_FREE(scsi_host_name);
virConnectClose(conn);
return ret;
}
--
2.33.0
9:36 p.m.
New subject: [PATCH V2 1/9] conf: use g_autofree and remove unnecessary label
On a Friday in 2023, Jiang Jiacheng wrote:
Signed-off-by: Jiang Jiacheng <jiangjiacheng(a)huawei.com>
---
src/conf/domain_audit.c | 121 ++++++++++---------------------
src/conf/node_device_util.c | 49 +++++--------
src/conf/nwfilter_conf.c | 55 +++++---------
src/conf/virnetworkobj.c | 85 ++++++++--------------
src/conf/virnetworkportdef.c | 12 +--
src/conf/virnwfilterbindingobj.c | 22 ++----
src/conf/virnwfilterobj.c | 19 ++---
src/conf/virstorageobj.c | 23 ++----
8 files changed, 129 insertions(+), 257 deletions(-)
[...]
diff --git a/src/conf/node_device_util.c
b/src/conf/node_device_util.c
index dfec1a91ce..c2fa73afc1 100644
--- a/src/conf/node_device_util.c
+++ b/src/conf/node_device_util.c
@@ -78,7 +78,7 @@ virNodeDeviceCreateVport(virStorageAdapterFCHost *fchost)
{
unsigned int parent_host;
char *name = NULL;
- char *parent_hoststr = NULL;
+ g_autofree char *parent_hoststr = NULL;
bool skip_capable_check = false;
VIR_DEBUG("parent='%s', wwnn='%s' wwpn='%s'",
@@ -91,27 +91,27 @@ virNodeDeviceCreateVport(virStorageAdapterFCHost *fchost)
fchost->parent_wwpn))) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot find parent using provided wwnn/wwpn"));
- goto cleanup;
+ return name;
}
} else if (fchost->parent_fabric_wwn) {
if (!(parent_hoststr =
virVHBAGetHostByFabricWWN(NULL, fchost->parent_fabric_wwn))) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot find parent using provided fabric_wwn"));
- goto cleanup;
+ return name;
}
} else {
if (!(parent_hoststr = virVHBAFindVportHost(NULL))) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("'parent' for vHBA not specified, and "
"cannot find one on this host"));
- goto cleanup;
+ return name;
}
skip_capable_check = true;
}
if (virSCSIHostGetNumber(parent_hoststr, &parent_host) < 0)
- goto cleanup;
+ return name;
/* NOTE:
* We do not save the parent_hoststr in fchost->parent since
@@ -125,23 +125,21 @@ virNodeDeviceCreateVport(virStorageAdapterFCHost *fchost)
virReportError(VIR_ERR_XML_ERROR,
_("parent '%s' specified for vHBA does not
exist"),
parent_hoststr);
- goto cleanup;
+ return name;
}
if (virVHBAManageVport(parent_host, fchost->wwpn, fchost->wwnn,
VPORT_CREATE) < 0)
- goto cleanup;
+ return name;
/* Let's ensure the device was created */
virWaitForDevices();
if (!(name = virVHBAGetHostByWWN(NULL, fchost->wwnn, fchost->wwpn))) {
ignore_value(virVHBAManageVport(parent_host, fchost->wwpn, fchost->wwnn,
VPORT_DELETE));
- goto cleanup;
+ return name;
In all the cases above, name can only be NULL, so returning NULL
directly is better for clarity.
}
- cleanup:
- VIR_FREE(parent_hoststr);
return name;
}
diff --git a/src/conf/nwfilter_conf.c b/src/conf/nwfilter_conf.c
index 9a95ae6c12..e5ea45b0b7 100644
--- a/src/conf/nwfilter_conf.c
+++ b/src/conf/nwfilter_conf.c
@@ -2375,10 +2375,10 @@ virNWFilterRuleDefFixup(virNWFilterRuleDef *rule)
static virNWFilterRuleDef *
virNWFilterRuleParse(xmlNodePtr node)
{
- char *action;
- char *direction;
- char *prio;
- char *statematch;
+ g_autofree char *action = NULL;
+ g_autofree char *direction = NULL;
+ g_autofree char *prio = NULL;
+ g_autofree char *statematch = NULL;
bool found;
int found_i = 0;
int priority;
@@ -2476,17 +2476,11 @@ virNWFilterRuleParse(xmlNodePtr node)
virNWFilterRuleDefFixup(ret);
- cleanup:
- VIR_FREE(prio);
- VIR_FREE(action);
- VIR_FREE(direction);
- VIR_FREE(statematch);
-
return ret;
err_exit:
g_clear_pointer(&ret, virNWFilterRuleDefFree);
- goto cleanup;
+ return ret;
Clearer as:
return NULL;
}
@@ -2707,24 +2693,21 @@ virNWFilterSaveConfig(const char *configDir,
virNWFilterDef *def)
{
int ret = -1;
- char *xml;
+ g_autofree char *xml = NULL;
char uuidstr[VIR_UUID_STRING_BUFLEN];
- char *configFile = NULL;
+ g_autofree char *configFile = NULL;
if (!(xml = virNWFilterDefFormat(def)))
- goto cleanup;
+ return ret;
if (!(configFile = virFileBuildPath(configDir, def->name, ".xml")))
- goto cleanup;
+ return ret;
In the two returns above:
return -1;
(As a followup, the ret variable can be removed)
virUUIDFormat(def->uuid, uuidstr);
ret = virXMLSaveFile(configFile,
virXMLPickShellSafeComment(def->name, uuidstr),
"nwfilter-edit", xml);
- cleanup:
- VIR_FREE(configFile);
- VIR_FREE(xml);
return ret;
}
I will squash in the following before pushing:
diff --git a/src/conf/node_device_util.c b/src/conf/node_device_util.c
index c2fa73afc1..3c2fc4e258 100644
--- a/src/conf/node_device_util.c
+++ b/src/conf/node_device_util.c
@@ -91,27 +91,27 @@ virNodeDeviceCreateVport(virStorageAdapterFCHost *fchost)
fchost->parent_wwpn))) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot find parent using provided wwnn/wwpn"));
- return name;
+ return NULL;
}
} else if (fchost->parent_fabric_wwn) {
if (!(parent_hoststr =
virVHBAGetHostByFabricWWN(NULL, fchost->parent_fabric_wwn))) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cannot find parent using provided
fabric_wwn"));
- return name;
+ return NULL;
}
} else {
if (!(parent_hoststr = virVHBAFindVportHost(NULL))) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("'parent' for vHBA not specified, and "
"cannot find one on this host"));
- return name;
+ return NULL;
}
skip_capable_check = true;
}
if (virSCSIHostGetNumber(parent_hoststr, &parent_host) < 0)
- return name;
+ return NULL;
/* NOTE:
* We do not save the parent_hoststr in fchost->parent since
@@ -125,19 +125,19 @@ virNodeDeviceCreateVport(virStorageAdapterFCHost *fchost)
virReportError(VIR_ERR_XML_ERROR,
_("parent '%s' specified for vHBA does not
exist"),
parent_hoststr);
- return name;
+ return NULL;
}
if (virVHBAManageVport(parent_host, fchost->wwpn, fchost->wwnn,
VPORT_CREATE) < 0)
- return name;
+ return NULL;
/* Let's ensure the device was created */
virWaitForDevices();
if (!(name = virVHBAGetHostByWWN(NULL, fchost->wwnn, fchost->wwpn))) {
ignore_value(virVHBAManageVport(parent_host, fchost->wwpn, fchost->wwnn,
VPORT_DELETE));
- return name;
+ return NULL;
}
return name;
diff --git a/src/conf/nwfilter_conf.c b/src/conf/nwfilter_conf.c
index e5ea45b0b7..5453b6db05 100644
--- a/src/conf/nwfilter_conf.c
+++ b/src/conf/nwfilter_conf.c
@@ -2480,7 +2480,7 @@ virNWFilterRuleParse(xmlNodePtr node)
err_exit:
g_clear_pointer(&ret, virNWFilterRuleDefFree);
- return ret;
+ return NULL;
}
@@ -2698,10 +2698,10 @@ virNWFilterSaveConfig(const char *configDir,
g_autofree char *configFile = NULL;
if (!(xml = virNWFilterDefFormat(def)))
- return ret;
+ return -1;
if (!(configFile = virFileBuildPath(configDir, def->name, ".xml")))
- return ret;
+ return -1;
virUUIDFormat(def->uuid, uuidstr);
ret = virXMLSaveFile(configFile,
Jano
3:18 a.m.
New subject: [PATCH 2/9] interface: use g_autofree and remove unnecessary label
Signed-off-by: Jiang Jiacheng <jiangjiacheng(a)huawei.com>
---
src/interface/interface_backend_udev.c | 22 ++++++++--------------
1 file changed, 8 insertions(+), 14 deletions(-)
diff --git a/src/interface/interface_backend_udev.c
b/src/interface/interface_backend_udev.c
index 979f187d87..54b43fb999 100644
--- a/src/interface/interface_backend_udev.c
+++ b/src/interface/interface_backend_udev.c
@@ -879,24 +879,23 @@ udevGetIfaceDefVlan(struct udev *udev G_GNUC_UNUSED,
const char *name,
virInterfaceDef *ifacedef)
{
- char *procpath = NULL;
- char *buf = NULL;
+ g_autofree char *procpath = NULL;
+ g_autofree char *buf = NULL;
char *vid_pos, *dev_pos;
size_t vid_len, dev_len;
const char *vid_prefix = "VID: ";
const char *dev_prefix = "\nDevice: ";
- int ret = -1;
procpath = g_strdup_printf("/proc/net/vlan/%s", name);
if (virFileReadAll(procpath, BUFSIZ, &buf) < 0)
- goto cleanup;
+ return -1;
if ((vid_pos = strstr(buf, vid_prefix)) == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("failed to find the VID for the VLAN device
'%s'"),
name);
- goto cleanup;
+ return -1;
}
vid_pos += strlen(vid_prefix);
@@ -905,14 +904,14 @@ udevGetIfaceDefVlan(struct udev *udev G_GNUC_UNUSED,
virReportError(VIR_ERR_INTERNAL_ERROR,
_("failed to find the VID for the VLAN device
'%s'"),
name);
- goto cleanup;
+ return -1;
}
if ((dev_pos = strstr(vid_pos + vid_len, dev_prefix)) == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("failed to find the real device for the VLAN device
'%s'"),
name);
- goto cleanup;
+ return -1;
}
dev_pos += strlen(dev_prefix);
@@ -920,18 +919,13 @@ udevGetIfaceDefVlan(struct udev *udev G_GNUC_UNUSED,
virReportError(VIR_ERR_INTERNAL_ERROR,
_("failed to find the real device for the VLAN device
'%s'"),
name);
- goto cleanup;
+ return -1;
}
ifacedef->data.vlan.tag = g_strndup(vid_pos, vid_len);
ifacedef->data.vlan.dev_name = g_strndup(dev_pos, dev_len);
- ret = 0;
-
- cleanup:
- VIR_FREE(procpath);
- VIR_FREE(buf);
- return ret;
+ return 0;
}
static virInterfaceDef * ATTRIBUTE_NONNULL(1)
--
2.33.0
3:18 a.m.
New subject: [PATCH 3/9] locking: use g_autofree and remove unnecessary label
Signed-off-by: Jiang Jiacheng <jiangjiacheng(a)huawei.com>
---
src/locking/lock_driver_lockd.c | 36 +++++++++---------------
src/locking/lock_driver_sanlock.c | 46 ++++++++++++-------------------
2 files changed, 31 insertions(+), 51 deletions(-)
diff --git a/src/locking/lock_driver_lockd.c b/src/locking/lock_driver_lockd.c
index e902b01463..4df12e0105 100644
--- a/src/locking/lock_driver_lockd.c
+++ b/src/locking/lock_driver_lockd.c
@@ -190,8 +190,8 @@ static virNetClient *virLockManagerLockDaemonConnectionNew(bool
privileged,
virNetClientProgram **prog)
{
virNetClient *client = NULL;
- char *lockdpath;
- char *daemonPath = NULL;
+ g_autofree char *lockdpath = NULL;
+ g_autofree char *daemonPath = NULL;
*prog = NULL;
@@ -220,14 +220,9 @@ static virNetClient *virLockManagerLockDaemonConnectionNew(bool
privileged,
if (virNetClientAddProgram(client, *prog) < 0)
goto error;
- VIR_FREE(daemonPath);
- VIR_FREE(lockdpath);
-
return client;
error:
- VIR_FREE(daemonPath);
- VIR_FREE(lockdpath);
virNetClientClose(client);
virObjectUnref(client);
virObjectUnref(*prog);
@@ -517,10 +512,9 @@ static int virLockManagerLockDaemonAddResource(virLockManager *lock,
unsigned int flags)
{
virLockManagerLockDaemonPrivate *priv = lock->privateData;
- char *newName = NULL;
- char *newLockspace = NULL;
+ g_autofree char *newName = NULL;
+ g_autofree char *newLockspace = NULL;
bool autoCreate = false;
- int ret = -1;
virCheckFlags(VIR_LOCK_MANAGER_RESOURCE_READONLY |
VIR_LOCK_MANAGER_RESOURCE_SHARED, -1);
@@ -533,7 +527,7 @@ static int virLockManagerLockDaemonAddResource(virLockManager *lock,
if (params || nparams) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Unexpected parameters for disk resource"));
- goto cleanup;
+ return -1;
}
if (!driver->autoDiskLease) {
if (!(flags & (VIR_LOCK_MANAGER_RESOURCE_SHARED |
@@ -549,7 +543,7 @@ static int virLockManagerLockDaemonAddResource(virLockManager *lock,
driver->lvmLockSpaceDir) {
VIR_DEBUG("Trying to find an LVM UUID for %s", name);
if (virLockManagerGetLVMKey(name, &newName) < 0)
- goto cleanup;
+ return -1;
if (newName) {
VIR_DEBUG("Got an LVM UUID %s for %s", newName, name);
@@ -565,7 +559,7 @@ static int virLockManagerLockDaemonAddResource(virLockManager *lock,
driver->scsiLockSpaceDir) {
VIR_DEBUG("Trying to find an SCSI ID for %s", name);
if (virStorageFileGetSCSIKey(name, &newName, false) < 0)
- goto cleanup;
+ return -1;
if (newName) {
VIR_DEBUG("Got an SCSI ID %s for %s", newName, name);
@@ -580,7 +574,7 @@ static int virLockManagerLockDaemonAddResource(virLockManager *lock,
if (driver->fileLockSpaceDir) {
newLockspace = g_strdup(driver->fileLockSpaceDir);
if (virCryptoHashString(VIR_CRYPTO_HASH_SHA256, name, &newName) < 0)
- goto cleanup;
+ return -1;
autoCreate = true;
VIR_DEBUG("Using indirect lease %s for %s", newName, name);
} else {
@@ -599,7 +593,7 @@ static int virLockManagerLockDaemonAddResource(virLockManager *lock,
if (params[i].value.ul != 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Offset must be zero for this lock
manager"));
- goto cleanup;
+ return -1;
}
} else if (STREQ(params[i].key, "lockspace")) {
lockspace = params[i].value.str;
@@ -609,13 +603,13 @@ static int virLockManagerLockDaemonAddResource(virLockManager
*lock,
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Unexpected parameter %s for lease
resource"),
params[i].key);
- goto cleanup;
+ return -1;
}
}
if (!path || !lockspace) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing path or lockspace for lease resource"));
- goto cleanup;
+ return -1;
}
newLockspace = g_strdup_printf("%s/%s", path, lockspace);
newName = g_strdup(name);
@@ -625,7 +619,7 @@ static int virLockManagerLockDaemonAddResource(virLockManager *lock,
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Unknown lock manager object type %d"),
type);
- goto cleanup;
+ return -1;
}
VIR_EXPAND_N(priv->resources, priv->nresources, 1);
@@ -640,11 +634,7 @@ static int virLockManagerLockDaemonAddResource(virLockManager *lock,
priv->resources[priv->nresources-1].flags |=
VIR_LOCK_SPACE_PROTOCOL_ACQUIRE_RESOURCE_AUTOCREATE;
- ret = 0;
- cleanup:
- VIR_FREE(newLockspace);
- VIR_FREE(newName);
- return ret;
+ return 0;
}
diff --git a/src/locking/lock_driver_sanlock.c b/src/locking/lock_driver_sanlock.c
index 2dceb1eefc..438779f926 100644
--- a/src/locking/lock_driver_sanlock.c
+++ b/src/locking/lock_driver_sanlock.c
@@ -118,9 +118,8 @@ virLockManagerSanlockLoadConfig(virLockManagerSanlockDriver *driver,
const char *configFile)
{
g_autoptr(virConf) conf = NULL;
- int ret = -1;
- char *user = NULL;
- char *group = NULL;
+ g_autofree char *user = NULL;
+ g_autofree char *group = NULL;
if (access(configFile, R_OK) == -1) {
if (errno != ENOENT) {
@@ -136,38 +135,34 @@ virLockManagerSanlockLoadConfig(virLockManagerSanlockDriver
*driver,
return -1;
if (virConfGetValueBool(conf, "auto_disk_leases",
&driver->autoDiskLease) < 0)
- goto cleanup;
+ return -1;
if (virConfGetValueString(conf, "disk_lease_dir",
&driver->autoDiskLeasePath) < 0)
- goto cleanup;
+ return -1;
if (virConfGetValueUInt(conf, "host_id", &driver->hostID) < 0)
- goto cleanup;
+ return -1;
driver->requireLeaseForDisks = !driver->autoDiskLease;
if (virConfGetValueBool(conf, "require_lease_for_disks",
&driver->requireLeaseForDisks) < 0)
- goto cleanup;
+ return -1;
if (virConfGetValueUInt(conf, "io_timeout", &driver->io_timeout)
< 0)
- goto cleanup;
+ return -1;
if (virConfGetValueString(conf, "user", &user) < 0)
- goto cleanup;
+ return -1;
if (user &&
virGetUserID(user, &driver->user) < 0)
- goto cleanup;
+ return -1;
if (virConfGetValueString(conf, "group", &group) < 0)
- goto cleanup;
+ return -1;
if (group &&
virGetGroupID(group, &driver->group) < 0)
- goto cleanup;
+ return -1;
- ret = 0;
- cleanup:
- VIR_FREE(user);
- VIR_FREE(group);
- return ret;
+ return 0;
}
static int
@@ -778,8 +773,7 @@ virLockManagerSanlockRegisterKillscript(int sock,
{
g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER;
char *path;
- char *args = NULL;
- int ret = -1;
+ g_autofree char *args = NULL;
int rv;
switch (action) {
@@ -796,7 +790,7 @@ virLockManagerSanlockRegisterKillscript(int sock,
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Failure action %s is not supported by sanlock"),
virDomainLockFailureTypeToString(action));
- goto cleanup;
+ return -1;
}
virBufferEscape(&buf, '\\', "\\ ", "%s", vmuri);
@@ -820,14 +814,14 @@ virLockManagerSanlockRegisterKillscript(int sock,
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Sanlock helper path is longer than %d:
'%s'"),
SANLK_HELPER_PATH_LEN - 1, path);
- goto cleanup;
+ return -1;
}
if (strlen(args) >= SANLK_HELPER_ARGS_LEN) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Sanlock helper arguments are longer than %d:"
" '%s'"),
SANLK_HELPER_ARGS_LEN - 1, args);
- goto cleanup;
+ return -1;
}
if ((rv = sanlock_killpath(sock, 0, path, args)) < 0) {
@@ -842,14 +836,10 @@ virLockManagerSanlockRegisterKillscript(int sock,
_("Failed to register lock failure"
" action"));
}
- goto cleanup;
+ return -1;
}
- ret = 0;
-
- cleanup:
- VIR_FREE(args);
- return ret;
+ return 0;
}
static int virLockManagerSanlockAcquire(virLockManager *lock,
--
2.33.0
3:18 a.m.
New subject: [PATCH 4/9] remote: use g_autofree and remove unnecessary label
Signed-off-by: Jiang Jiacheng <jiangjiacheng(a)huawei.com>
---
src/remote/remote_driver.c | 22 +++++++---------------
1 file changed, 7 insertions(+), 15 deletions(-)
diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
index b0dba9057b..316a11b10f 100644
--- a/src/remote/remote_driver.c
+++ b/src/remote/remote_driver.c
@@ -3833,23 +3833,19 @@ struct remoteAuthInteractState {
static int remoteAuthFillFromConfig(virConnectPtr conn,
struct remoteAuthInteractState *state)
{
- int ret = -1;
int ninteract;
const char *credname;
- char *path = NULL;
+ g_autofree char *path = NULL;
VIR_DEBUG("Trying to fill auth parameters from config file");
if (!state->config) {
if (virAuthGetConfigFilePath(conn, &path) < 0)
- goto cleanup;
- if (path == NULL) {
- ret = 0;
- goto cleanup;
- }
-
+ return -1;
+ if (path == NULL)
+ return 0;
if (!(state->config = virAuthConfigNew(path)))
- goto cleanup;
+ return -1;
}
for (ninteract = 0; state->interact[ninteract].id != 0; ninteract++) {
@@ -3879,7 +3875,7 @@ static int remoteAuthFillFromConfig(virConnectPtr conn,
VIR_URI_SERVER(conn->uri),
credname,
&value) < 0)
- goto cleanup;
+ return -1;
if (value) {
state->interact[ninteract].result = value;
@@ -3887,11 +3883,7 @@ static int remoteAuthFillFromConfig(virConnectPtr conn,
}
}
- ret = 0;
-
- cleanup:
- VIR_FREE(path);
- return ret;
+ return 0;
}
--
2.33.0
3:18 a.m.
New subject: [PATCH 5/9] rpc: use g_autofree and remove unnecessary label
Signed-off-by: Jiang Jiacheng <jiangjiacheng(a)huawei.com>
---
src/rpc/virnetclientprogram.c | 6 ++----
src/rpc/virnettlscontext.c | 16 +++++-----------
2 files changed, 7 insertions(+), 15 deletions(-)
diff --git a/src/rpc/virnetclientprogram.c b/src/rpc/virnetclientprogram.c
index 5da118bfd3..b93c495347 100644
--- a/src/rpc/virnetclientprogram.c
+++ b/src/rpc/virnetclientprogram.c
@@ -208,7 +208,7 @@ int virNetClientProgramDispatch(virNetClientProgram *prog,
virNetMessage *msg)
{
virNetClientProgramEvent *event;
- char *evdata;
+ g_autofree char *evdata = NULL;
VIR_DEBUG("prog=%d ver=%d type=%d status=%d serial=%d proc=%d",
msg->header.prog, msg->header.vers, msg->header.type,
@@ -250,14 +250,12 @@ int virNetClientProgramDispatch(virNetClientProgram *prog,
evdata = g_new0(char, event->msg_len);
if (virNetMessageDecodePayload(msg, event->msg_filter, evdata) < 0)
- goto cleanup;
+ return 0;
event->func(prog, client, evdata, prog->eventOpaque);
xdr_free(event->msg_filter, evdata);
- cleanup:
- VIR_FREE(evdata);
return 0;
}
diff --git a/src/rpc/virnettlscontext.c b/src/rpc/virnettlscontext.c
index acfc4f9323..cfd26f0701 100644
--- a/src/rpc/virnettlscontext.c
+++ b/src/rpc/virnettlscontext.c
@@ -474,7 +474,7 @@ static gnutls_x509_crt_t virNetTLSContextLoadCertFromFile(const char
*certFile,
{
gnutls_datum_t data;
gnutls_x509_crt_t cert = NULL;
- char *buf = NULL;
+ g_autofree char *buf = NULL;
int ret = -1;
VIR_DEBUG("isServer %d certFile %s",
@@ -506,7 +506,6 @@ static gnutls_x509_crt_t virNetTLSContextLoadCertFromFile(const char
*certFile,
if (ret != 0) {
g_clear_pointer(&cert, gnutls_x509_crt_deinit);
}
- VIR_FREE(buf);
return cert;
}
@@ -517,14 +516,13 @@ static int virNetTLSContextLoadCACertListFromFile(const char
*certFile,
size_t *ncerts)
{
gnutls_datum_t data;
- char *buf = NULL;
- int ret = -1;
+ g_autofree char *buf = NULL;
*ncerts = 0;
VIR_DEBUG("certFile %s", certFile);
if (virFileReadAll(certFile, (1<<16), &buf) < 0)
- goto cleanup;
+ return -1;
data.data = (unsigned char *)buf;
data.size = strlen(buf);
@@ -533,15 +531,11 @@ static int virNetTLSContextLoadCACertListFromFile(const char
*certFile,
virReportError(VIR_ERR_SYSTEM_ERROR,
_("Unable to import CA certificate list %s"),
certFile);
- goto cleanup;
+ return -1;
}
*ncerts = certMax;
- ret = 0;
-
- cleanup:
- VIR_FREE(buf);
- return ret;
+ return 0;
}
--
2.33.0
3:18 a.m.
New subject: [PATCH V2 6/9] security: use g_autofree and remove unnecessary label
Signed-off-by: Jiang Jiacheng <jiangjiacheng(a)huawei.com>
---
src/security/security_apparmor.c | 94 +++++++++++---------------------
1 file changed, 31 insertions(+), 63 deletions(-)
diff --git a/src/security/security_apparmor.c b/src/security/security_apparmor.c
index 36e8ce42b5..b63b248975 100644
--- a/src/security/security_apparmor.c
+++ b/src/security/security_apparmor.c
@@ -70,9 +70,9 @@ struct SDPDOP {
static int
profile_status(const char *str, const int check_enforcing)
{
- char *content = NULL;
- char *tmp = NULL;
- char *etmp = NULL;
+ g_autofree char *content = NULL;
+ g_autofree char *tmp = NULL;
+ g_autofree char *etmp = NULL;
int rc = -2;
/* create string that is '<str> \0' for accurate matching */
@@ -87,7 +87,7 @@ profile_status(const char *str, const int check_enforcing)
virReportSystemError(errno,
_("Failed to read AppArmor profiles list "
"\'%s\'"), APPARMOR_PROFILES_PATH);
- goto cleanup;
+ return -2;
}
if (strstr(content, tmp) != NULL)
@@ -99,11 +99,6 @@ profile_status(const char *str, const int check_enforcing)
rc = 1; /* return '1' if loaded and enforcing */
}
- VIR_FREE(content);
- cleanup:
- VIR_FREE(tmp);
- VIR_FREE(etmp);
-
return rc;
}
@@ -320,12 +315,11 @@ AppArmorSetSecurityHostLabel(virSCSIVHostDevice *dev G_GNUC_UNUSED,
static int
AppArmorSecurityManagerProbe(const char *virtDriver G_GNUC_UNUSED)
{
- char *template_qemu = NULL;
- char *template_lxc = NULL;
- int rc = SECURITY_DRIVER_DISABLE;
+ g_autofree char *template_qemu = NULL;
+ g_autofree char *template_lxc = NULL;
if (use_apparmor() < 0)
- return rc;
+ return SECURITY_DRIVER_DISABLE;
/* see if template file exists */
template_qemu = g_strdup_printf("%s/TEMPLATE.qemu", APPARMOR_DIR
"/libvirt");
@@ -334,20 +328,15 @@ AppArmorSecurityManagerProbe(const char *virtDriver G_GNUC_UNUSED)
if (!virFileExists(template_qemu)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("template \'%s\' does not exist"),
template_qemu);
- goto cleanup;
+ return SECURITY_DRIVER_DISABLE;
}
if (!virFileExists(template_lxc)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("template \'%s\' does not exist"),
template_lxc);
- goto cleanup;
+ return SECURITY_DRIVER_DISABLE;
}
- rc = SECURITY_DRIVER_ENABLE;
- cleanup:
- VIR_FREE(template_qemu);
- VIR_FREE(template_lxc);
-
- return rc;
+ return SECURITY_DRIVER_ENABLE;
}
/* Security driver initialization. DOI is for 'Domain of Interpretation' and is
@@ -387,8 +376,7 @@ static int
AppArmorGenSecurityLabel(virSecurityManager *mgr G_GNUC_UNUSED,
virDomainDef *def)
{
- int rc = -1;
- char *profile_name = NULL;
+ g_autofree char *profile_name = NULL;
virSecurityLabelDef *secdef = virDomainDefGetSecurityLabelDef(def,
SECURITY_APPARMOR_NAME);
@@ -402,18 +390,18 @@ AppArmorGenSecurityLabel(virSecurityManager *mgr G_GNUC_UNUSED,
if (secdef->baselabel) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("Cannot set a base label with
AppArmour"));
- return rc;
+ return -1;
}
if (secdef->label || secdef->imagelabel) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s",
_("security label already defined for VM"));
- return rc;
+ return -1;
}
if ((profile_name = get_profile_name(def)) == NULL)
- return rc;
+ return -1;
secdef->label = g_strdup(profile_name);
@@ -431,18 +419,13 @@ AppArmorGenSecurityLabel(virSecurityManager *mgr G_GNUC_UNUSED,
goto err;
}
- rc = 0;
- goto cleanup;
+ return 0;
err:
VIR_FREE(secdef->label);
VIR_FREE(secdef->imagelabel);
VIR_FREE(secdef->model);
-
- cleanup:
- VIR_FREE(profile_name);
-
- return rc;
+ return -1;
}
static int
@@ -474,35 +457,30 @@ AppArmorGetSecurityProcessLabel(virSecurityManager *mgr
G_GNUC_UNUSED,
pid_t pid G_GNUC_UNUSED,
virSecurityLabelPtr sec)
{
- int rc = -1;
int status;
- char *profile_name = NULL;
+ g_autofree char *profile_name = NULL;
if ((profile_name = get_profile_name(def)) == NULL)
- return rc;
+ return -1;
status = profile_status(profile_name, 1);
if (status < -1) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("error getting profile status"));
- goto cleanup;
+ return -1;
} else if (status == -1) {
sec->label[0] = '\0';
} else {
if (virStrcpy(sec->label, profile_name, VIR_SECURITY_LABEL_BUFLEN) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("error copying profile name"));
- goto cleanup;
+ return -1;
}
}
sec->enforcing = status == 1;
- rc = 0;
-
- cleanup:
- VIR_FREE(profile_name);
- return rc;
+ return 0;
}
/* Called on VM shutdown and destroy. See AppArmorGenSecurityLabel (above) for
@@ -554,8 +532,7 @@ static int
AppArmorSetSecurityProcessLabel(virSecurityManager *mgr G_GNUC_UNUSED,
virDomainDef *def)
{
- int rc = -1;
- char *profile_name = NULL;
+ g_autofree char *profile_name = NULL;
virSecurityLabelDef *secdef =
virDomainDefGetSecurityLabelDef(def, SECURITY_APPARMOR_NAME);
@@ -563,7 +540,7 @@ AppArmorSetSecurityProcessLabel(virSecurityManager *mgr
G_GNUC_UNUSED,
return 0;
if ((profile_name = get_profile_name(def)) == NULL)
- return rc;
+ return -1;
if (STRNEQ(SECURITY_APPARMOR_NAME, secdef->model)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
@@ -572,21 +549,17 @@ AppArmorSetSecurityProcessLabel(virSecurityManager *mgr
G_GNUC_UNUSED,
"hypervisor driver is \'%s\'."),
secdef->model, SECURITY_APPARMOR_NAME);
if (use_apparmor() > 0)
- goto cleanup;
+ return -1;
}
VIR_DEBUG("Changing AppArmor profile to %s", profile_name);
if (aa_change_profile(profile_name) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("error calling aa_change_profile()"));
- goto cleanup;
+ return -1;
}
- rc = 0;
-
- cleanup:
- VIR_FREE(profile_name);
- return rc;
+ return 0;
}
/* Called directly by API user prior to virCommandRun().
@@ -599,9 +572,8 @@ AppArmorSetSecurityChildProcessLabel(virSecurityManager *mgr
G_GNUC_UNUSED,
virDomainDef *def,
virCommand *cmd)
{
- int rc = -1;
- char *profile_name = NULL;
- char *cmd_str = NULL;
+ g_autofree char *profile_name = NULL;
+ g_autofree char *cmd_str = NULL;
virSecurityLabelDef *secdef =
virDomainDefGetSecurityLabelDef(def, SECURITY_APPARMOR_NAME);
@@ -615,21 +587,17 @@ AppArmorSetSecurityChildProcessLabel(virSecurityManager *mgr
G_GNUC_UNUSED,
"hypervisor driver is \'%s\'."),
secdef->model, SECURITY_APPARMOR_NAME);
if (use_apparmor() > 0)
- goto cleanup;
+ return -1;
}
if ((profile_name = get_profile_name(def)) == NULL)
- goto cleanup;
+ return -1;
cmd_str = virCommandToString(cmd, false);
VIR_DEBUG("Changing AppArmor profile to %s on %s", profile_name, cmd_str);
virCommandSetAppArmorProfile(cmd, profile_name);
- rc = 0;
- cleanup:
- VIR_FREE(profile_name);
- VIR_FREE(cmd_str);
- return rc;
+ return 0;
}
static int
--
2.33.0
3:18 a.m.
New subject: [PATCH 7/9] util: use g_autofree and remove unnecessary label
Signed-off-by: Jiang Jiacheng <jiangjiacheng(a)huawei.com>
---
src/util/virconf.c | 27 ++++++++-------------------
1 file changed, 8 insertions(+), 19 deletions(-)
diff --git a/src/util/virconf.c b/src/util/virconf.c
index 8a96805642..c39489973b 100644
--- a/src/util/virconf.c
+++ b/src/util/virconf.c
@@ -716,7 +716,7 @@ virConfParse(const char *filename, const char *content, int len,
virConf *
virConfReadFile(const char *filename, unsigned int flags)
{
- char *content;
+ g_autofree char *content = NULL;
int len;
virConf *conf;
@@ -732,8 +732,6 @@ virConfReadFile(const char *filename, unsigned int flags)
conf = virConfParse(filename, content, len, flags);
- VIR_FREE(content);
-
return conf;
}
@@ -1413,7 +1411,7 @@ virConfWriteFile(const char *filename, virConf *conf)
virConfEntry *cur;
int ret;
int fd;
- char *content;
+ g_autofree char *content = NULL;
unsigned int use;
if (conf == NULL)
@@ -1434,7 +1432,6 @@ virConfWriteFile(const char *filename, virConf *conf)
use = virBufferUse(&buf);
content = virBufferContentAndReset(&buf);
ret = safewrite(fd, content, use);
- VIR_FREE(content);
VIR_FORCE_CLOSE(fd);
if (ret != (int)use) {
virConfError(NULL, VIR_ERR_WRITE_FAILED, _("failed to save content"));
@@ -1462,7 +1459,7 @@ virConfWriteMem(char *memory, int *len, virConf *conf)
{
g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER;
virConfEntry *cur;
- char *content;
+ g_autofree char *content = NULL;
unsigned int use;
if ((memory == NULL) || (len == NULL) || (*len <= 0) || (conf == NULL))
@@ -1479,11 +1476,9 @@ virConfWriteMem(char *memory, int *len, virConf *conf)
if ((int)use >= *len) {
*len = (int)use;
- VIR_FREE(content);
return -1;
}
memcpy(memory, content, use);
- VIR_FREE(content);
*len = use;
return use;
}
@@ -1506,26 +1501,20 @@ virConfLoadConfigPath(const char *name)
int
virConfLoadConfig(virConf **conf, const char *name)
{
- char *path = NULL;
- int ret = -1;
+ g_autofree char *path = NULL;
*conf = NULL;
if (!(path = virConfLoadConfigPath(name)))
- goto cleanup;
+ return -1;
if (!virFileExists(path)) {
- ret = 0;
- goto cleanup;
+ return 0;
}
VIR_DEBUG("Loading config file '%s'", path);
if (!(*conf = virConfReadFile(path, 0)))
- goto cleanup;
-
- ret = 0;
+ return -1;
- cleanup:
- VIR_FREE(path);
- return ret;
+ return 0;
}
--
2.33.0
3:18 a.m.
New subject: [PATCH 8/9] vmware: use g_autofree and remove unnecessary label
Signed-off-by: Jiang Jiacheng <jiangjiacheng(a)huawei.com>
---
src/vmware/vmware_conf.c | 28 ++++++++++------------------
1 file changed, 10 insertions(+), 18 deletions(-)
diff --git a/src/vmware/vmware_conf.c b/src/vmware/vmware_conf.c
index 80a85f4d0f..5703ce717e 100644
--- a/src/vmware/vmware_conf.c
+++ b/src/vmware/vmware_conf.c
@@ -338,9 +338,8 @@ int
vmwareVmxPath(virDomainDef *vmdef, char **vmxPath)
{
virDomainDiskDef *disk = NULL;
- char *directoryName = NULL;
- char *fileName = NULL;
- int ret = -1;
+ g_autofree char *directoryName = NULL;
+ g_autofree char *fileName = NULL;
size_t i;
const char *src;
@@ -355,7 +354,7 @@ vmwareVmxPath(virDomainDef *vmdef, char **vmxPath)
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Domain XML doesn't contain any disks, "
"cannot deduce datastore and path for VMX file"));
- goto cleanup;
+ return -1;
}
for (i = 0; i < vmdef->ndisks; ++i) {
@@ -370,7 +369,7 @@ vmwareVmxPath(virDomainDef *vmdef, char **vmxPath)
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Domain XML doesn't contain any file-based harddisks,
"
"cannot deduce datastore and path for VMX file"));
- goto cleanup;
+ return -1;
}
src = virDomainDiskGetSource(disk);
@@ -378,27 +377,22 @@ vmwareVmxPath(virDomainDef *vmdef, char **vmxPath)
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("First file-based harddisk has no source, cannot "
"deduce datastore and path for VMX file"));
- goto cleanup;
+ return -1;
}
if (vmwareParsePath(src, &directoryName, &fileName) < 0)
- goto cleanup;
+ return -1;
if (!virStringHasCaseSuffix(fileName, ".vmdk")) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Expecting source '%s' of first file-based harddisk
"
"to be a VMDK image"), src);
- goto cleanup;
+ return -1;
}
vmwareConstructVmxPath(directoryName, vmdef->name, vmxPath);
- ret = 0;
-
- cleanup:
- VIR_FREE(directoryName);
- VIR_FREE(fileName);
- return ret;
+ return 0;
}
int
@@ -436,8 +430,8 @@ vmwareMakePath(char *srcDir, char *srcName, char *srcExt, char
**outpath)
int
vmwareExtractPid(const char * vmxPath)
{
- char *vmxDir = NULL;
- char *logFilePath = NULL;
+ g_autofree char *vmxDir = NULL;
+ g_autofree char *logFilePath = NULL;
FILE *logFile = NULL;
char line[1024];
char *tmp = NULL;
@@ -473,8 +467,6 @@ vmwareExtractPid(const char * vmxPath)
}
cleanup:
- VIR_FREE(vmxDir);
- VIR_FREE(logFilePath);
VIR_FORCE_FCLOSE(logFile);
return pid_value;
}
--
2.33.0
3:18 a.m.
New subject: [PATCH 9/9] vz: use g_autofree and remove unnecessary label
Signed-off-by: Jiang Jiacheng <jiangjiacheng(a)huawei.com>
---
src/vz/vz_utils.c | 18 ++++++++----------
1 file changed, 8 insertions(+), 10 deletions(-)
diff --git a/src/vz/vz_utils.c b/src/vz/vz_utils.c
index fcf6d363a9..219d13823b 100644
--- a/src/vz/vz_utils.c
+++ b/src/vz/vz_utils.c
@@ -151,7 +151,8 @@ vzInitCaps(unsigned long vzVersion, struct _vzCapabilities *vzCaps)
int
vzInitVersion(struct _vzDriver *driver)
{
- char *output, *sVer, *tmp;
+ g_autofree char *output = NULL;
+ char *sVer, *tmp;
const char *searchStr = "prlsrvctl version ";
int ret = -1;
@@ -159,12 +160,12 @@ vzInitVersion(struct _vzDriver *driver)
if (!output) {
vzParseError();
- goto cleanup;
+ return -1;
}
if (!(sVer = strstr(output, searchStr))) {
vzParseError();
- goto cleanup;
+ return -1;
}
sVer = sVer + strlen(searchStr);
@@ -173,26 +174,23 @@ vzInitVersion(struct _vzDriver *driver)
* In libvirt we handle only first two numbers. */
if (!(tmp = strchr(sVer, '.'))) {
vzParseError();
- goto cleanup;
+ return -1;
}
if (!(tmp = strchr(tmp + 1, '.'))) {
vzParseError();
- goto cleanup;
+ return -1;
}
tmp[0] = '\0';
if (virStringParseVersion(&(driver->vzVersion), sVer, true) < 0) {
vzParseError();
- goto cleanup;
+ return -1;
}
vzInitCaps(driver->vzVersion, &driver->vzCaps);
- ret = 0;
- cleanup:
- VIR_FREE(output);
- return ret;
+ return 0;
}
static int
--
2.33.0
9:39 p.m.
On a Friday in 2023, Jiang Jiacheng wrote:
Use g_autofree more often and remove unnecessary cleanup/error
labels.
diff to v1:
* use g_autofree for uuid in 'virNWFilterDefParseXML'
* remove unused rc in security_apparmor.c
Jiang Jiacheng (9):
conf: use g_autofree and remove unnecessary label
interface: use g_autofree and remove unnecessary label
locking: use g_autofree and remove unnecessary label
remote: use g_autofree and remove unnecessary label
rpc: use g_autofree and remove unnecessary label
security: use g_autofree and remove unnecessary label
util: use g_autofree and remove unnecessary label
vmware: use g_autofree and remove unnecessary label
vz: use g_autofree and remove unnecessary label
src/conf/domain_audit.c | 121 ++++++++-----------------
src/conf/node_device_util.c | 49 ++++------
src/conf/nwfilter_conf.c | 55 ++++-------
src/conf/virnetworkobj.c | 85 ++++++-----------
src/conf/virnetworkportdef.c | 12 +--
src/conf/virnwfilterbindingobj.c | 22 ++---
src/conf/virnwfilterobj.c | 19 +---
src/conf/virstorageobj.c | 23 ++---
src/interface/interface_backend_udev.c | 22 ++---
src/locking/lock_driver_lockd.c | 36 +++-----
src/locking/lock_driver_sanlock.c | 46 ++++------
src/remote/remote_driver.c | 22 ++---
src/rpc/virnetclientprogram.c | 6 +-
src/rpc/virnettlscontext.c | 16 +---
src/security/security_apparmor.c | 94 +++++++------------
src/util/virconf.c | 27 ++----
src/vmware/vmware_conf.c | 28 ++----
src/vz/vz_utils.c | 18 ++--
18 files changed, 239 insertions(+), 462 deletions(-)
Reviewed-by: Ján Tomko <jtomko(a)redhat.com>
and pushed now.
Jano
854
days inactive
857
days old
11 comments
2 participants
participants (2)
-
Jiang Jiacheng -
Ján Tomko