qemu,lxc: remove use to nwfilter update lock

Now that the virNWFilterBinding APIs are using the nwfilter
update lock directly, there is no need for the virt drivers
to do it themselves.

Reviewed-by: Laine Stump <laine@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

src/lxc/lxc_driver.c

@@ -971,8 +971,6 @@ static int lxcDomainCreateWithFiles(virDomainPtr dom,
 
     virCheckFlags(VIR_DOMAIN_START_AUTODESTROY, -1);
 
-    virNWFilterReadLockFilterUpdates();
-
     if (!(vm = lxcDomObjFromDomain(dom)))
         goto cleanup;
 
@@ -1014,7 +1012,6 @@ static int lxcDomainCreateWithFiles(virDomainPtr dom,
  cleanup:
     virDomainObjEndAPI(&vm);
     virObjectEventStateQueue(driver->domainEventState, event);
-    virNWFilterUnlockFilterUpdates();
     return ret;
 }
 
@@ -1080,8 +1077,6 @@ lxcDomainCreateXMLWithFiles(virConnectPtr conn,
     if (flags & VIR_DOMAIN_START_VALIDATE)
         parse_flags |= VIR_DOMAIN_DEF_PARSE_VALIDATE_SCHEMA;
 
-    virNWFilterReadLockFilterUpdates();
-
     if (!(caps = virLXCDriverGetCapabilities(driver, false)))
         goto cleanup;
 
@@ -1138,7 +1133,6 @@ lxcDomainCreateXMLWithFiles(virConnectPtr conn,
  cleanup:
     virDomainObjEndAPI(&vm);
     virObjectEventStateQueue(driver->domainEventState, event);
-    virNWFilterUnlockFilterUpdates();
     return dom;
 }
 

src/qemu/qemu_driver.c

@@ -1606,8 +1606,6 @@ static virDomainPtr qemuDomainCreateXML(virConnectPtr conn,
     if (flags & VIR_DOMAIN_START_RESET_NVRAM)
         start_flags |= VIR_QEMU_PROCESS_START_RESET_NVRAM;
 
-    virNWFilterReadLockFilterUpdates();
-
     if (!(def = virDomainDefParseString(xml, driver->xmlopt,
                                         NULL, parse_flags)))
         goto cleanup;
@@ -1661,7 +1659,6 @@ static virDomainPtr qemuDomainCreateXML(virConnectPtr conn,
     virDomainObjEndAPI(&vm);
     virObjectEventStateQueue(driver->domainEventState, event);
     virObjectEventStateQueue(driver->domainEventState, event2);
-    virNWFilterUnlockFilterUpdates();
     return dom;
 }
 
@@ -5776,8 +5773,6 @@ qemuDomainRestoreFlags(virConnectPtr conn,
     if (flags & VIR_DOMAIN_SAVE_RESET_NVRAM)
         reset_nvram = true;
 
-    virNWFilterReadLockFilterUpdates();
-
     fd = qemuSaveImageOpen(driver, NULL, path, &def, &data,
                            (flags & VIR_DOMAIN_SAVE_BYPASS_CACHE) != 0,
                            &wrapperFd, false, false);
@@ -5849,7 +5844,6 @@ qemuDomainRestoreFlags(virConnectPtr conn,
     if (vm && ret < 0)
         qemuDomainRemoveInactiveJob(driver, vm);
     virDomainObjEndAPI(&vm);
-    virNWFilterUnlockFilterUpdates();
     return ret;
 }
 
@@ -6403,8 +6397,6 @@ qemuDomainCreateWithFlags(virDomainPtr dom, unsigned int flags)
                   VIR_DOMAIN_START_FORCE_BOOT |
                   VIR_DOMAIN_START_RESET_NVRAM, -1);
 
-    virNWFilterReadLockFilterUpdates();
-
     if (!(vm = qemuDomainObjFromDomain(dom)))
         goto cleanup;
 
@@ -6433,7 +6425,6 @@ qemuDomainCreateWithFlags(virDomainPtr dom, unsigned int flags)
 
  cleanup:
     virDomainObjEndAPI(&vm);
-    virNWFilterUnlockFilterUpdates();
     return ret;
 }
 
@@ -7815,8 +7806,6 @@ qemuDomainAttachDeviceFlags(virDomainPtr dom,
     virDomainObj *vm = NULL;
     int ret = -1;
 
-    virNWFilterReadLockFilterUpdates();
-
     if (!(vm = qemuDomainObjFromDomain(dom)))
         goto cleanup;
 
@@ -7839,7 +7828,6 @@ qemuDomainAttachDeviceFlags(virDomainPtr dom,
 
  cleanup:
     virDomainObjEndAPI(&vm);
-    virNWFilterUnlockFilterUpdates();
     return ret;
 }
 
@@ -7869,8 +7857,6 @@ static int qemuDomainUpdateDeviceFlags(virDomainPtr dom,
                   VIR_DOMAIN_AFFECT_CONFIG |
                   VIR_DOMAIN_DEVICE_MODIFY_FORCE, -1);
 
-    virNWFilterReadLockFilterUpdates();
-
     cfg = virQEMUDriverGetConfig(driver);
 
     if (!(vm = qemuDomainObjFromDomain(dom)))
@@ -7947,7 +7933,6 @@ static int qemuDomainUpdateDeviceFlags(virDomainPtr dom,
     if (dev != dev_copy)
         virDomainDeviceDefFree(dev_copy);
     virDomainObjEndAPI(&vm);
-    virNWFilterUnlockFilterUpdates();
     return ret;
 }
 
@@ -13654,8 +13639,6 @@ qemuDomainRevertToSnapshot(virDomainSnapshotPtr snapshot,
     virDomainObj *vm = NULL;
     int ret = -1;
 
-    virNWFilterReadLockFilterUpdates();
-
     if (!(vm = qemuDomObjFromSnapshot(snapshot)))
         goto cleanup;
 
@@ -13666,7 +13649,6 @@ qemuDomainRevertToSnapshot(virDomainSnapshotPtr snapshot,
 
  cleanup:
     virDomainObjEndAPI(&vm);
-    virNWFilterUnlockFilterUpdates();
     return ret;
 }
 

src/qemu/qemu_migration.c

@@ -2782,8 +2782,6 @@ qemuMigrationDstPrepareAny(virQEMUDriver *driver,
     int rv;
     g_autofree char *tlsAlias = NULL;
 
-    virNWFilterReadLockFilterUpdates();
-
     if (flags & VIR_MIGRATE_OFFLINE) {
         if (flags & (VIR_MIGRATE_NON_SHARED_DISK |
                      VIR_MIGRATE_NON_SHARED_INC)) {
@@ -3103,7 +3101,6 @@ qemuMigrationDstPrepareAny(virQEMUDriver *driver,
     virDomainObjEndAPI(&vm);
     virObjectEventStateQueue(driver->domainEventState, event);
     qemuMigrationCookieFree(mig);
-    virNWFilterUnlockFilterUpdates();
     virErrorRestore(&origErr);
     return ret;
 

src/qemu/qemu_process.c

@@ -9004,7 +9004,6 @@ qemuProcessReconnect(void *opaque)
             qemuDomainRemoveInactiveJob(driver, obj);
     }
     virDomainObjEndAPI(&obj);
-    virNWFilterUnlockFilterUpdates();
     virIdentitySetCurrent(NULL);
     return;
 
@@ -9056,8 +9055,6 @@ qemuProcessReconnectHelper(virDomainObj *obj,
     data->obj = obj;
     data->identity = virIdentityGetCurrent();
 
-    virNWFilterReadLockFilterUpdates();
-
     /* this lock and reference will be eventually transferred to the thread
      * that handles the reconnect */
     virObjectLock(obj);
@@ -9080,7 +9077,6 @@ qemuProcessReconnectHelper(virDomainObj *obj,
         qemuDomainRemoveInactiveJobLocked(src->driver, obj);
 
         virDomainObjEndAPI(&obj);
-        virNWFilterUnlockFilterUpdates();
         g_clear_object(&data->identity);
         VIR_FREE(data);
         return -1;