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vmware: Use virDomainObjListFindBy{UUID|ID}Ref

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For vmwareDomObjFromDomainLocked and vmwareDomainLookupByID
let's return a locked and referenced @vm object so that callers
can then use the common and more consistent virDomainObjEndAPI
in order to handle cleanup rather than needing to know that the
returned object is locked and calling virObjectUnlock.

The LookupByName already returns the ref counted and locked object,
so this will make things more consistent.

For vmwareDomainUndefineFlags and vmwareDomainShutdownFlags since
virDomainObjListRemove will return an unlocked object, we need to
relock before making the EndAPI call.

Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
John Ferlan 2017-10-23 13:25:34 -04:00
parent 7b324eedb7
commit 19d5529fc1
1 changed files with 19 additions and 34 deletions
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53
src/vmware/vmware_driver.c
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@ -67,7 +67,7 @@ vmwareDomObjFromDomainLocked(struct vmware_driver *driver,
virDomainObjPtr vm;
char uuidstr[VIR_UUID_STRING_BUFLEN];
if (!(vm = virDomainObjListFindByUUID(driver->domains, uuid))) {
if (!(vm = virDomainObjListFindByUUIDRef(driver->domains, uuid))) {
virUUIDFormat(uuid, uuidstr);
virReportError(VIR_ERR_NO_DOMAIN,
@ -504,13 +504,12 @@ vmwareDomainShutdownFlags(virDomainPtr dom,
if (!vm->persistent) {
virDomainObjListRemove(driver->domains, vm);
vm = NULL;
virObjectLock(vm);
}
ret = 0;
cleanup:
if (vm)
virObjectUnlock(vm);
virDomainObjEndAPI(&vm);
vmwareDriverUnlock(driver);
return ret;
}
@ -571,8 +570,7 @@ vmwareDomainSuspend(virDomainPtr dom)
ret = 0;
cleanup:
if (vm)
virObjectUnlock(vm);
virDomainObjEndAPI(&vm);
return ret;
}
@ -613,8 +611,7 @@ vmwareDomainResume(virDomainPtr dom)
ret = 0;
cleanup:
if (vm)
virObjectUnlock(vm);
virDomainObjEndAPI(&vm);
return ret;
}
@ -654,8 +651,7 @@ vmwareDomainReboot(virDomainPtr dom, unsigned int flags)
ret = 0;
cleanup:
if (vm)
virObjectUnlock(vm);
virDomainObjEndAPI(&vm);
return ret;
}
@ -766,8 +762,7 @@ vmwareDomainCreateWithFlags(virDomainPtr dom,
ret = vmwareStartVM(driver, vm);
cleanup:
if (vm)
virObjectUnlock(vm);
virDomainObjEndAPI(&vm);
vmwareDriverUnlock(driver);
return ret;
}
@ -805,14 +800,13 @@ vmwareDomainUndefineFlags(virDomainPtr dom,
vm->persistent = 0;
} else {
virDomainObjListRemove(driver->domains, vm);
vm = NULL;
virObjectLock(vm);
}
ret = 0;
cleanup:
if (vm)
virObjectUnlock(vm);
virDomainObjEndAPI(&vm);
vmwareDriverUnlock(driver);
return ret;
}
@ -831,7 +825,7 @@ vmwareDomainLookupByID(virConnectPtr conn, int id)
virDomainPtr dom = NULL;
vmwareDriverLock(driver);
vm = virDomainObjListFindByID(driver->domains, id);
vm = virDomainObjListFindByIDRef(driver->domains, id);
vmwareDriverUnlock(driver);
if (!vm) {
@ -843,8 +837,7 @@ vmwareDomainLookupByID(virConnectPtr conn, int id)
dom = virGetDomain(conn, vm->def->name, vm->def->uuid, vm->def->id);
cleanup:
if (vm)
virObjectUnlock(vm);
virDomainObjEndAPI(&vm);
return dom;
}
@ -860,8 +853,7 @@ vmwareDomainGetOSType(virDomainPtr dom)
ignore_value(VIR_STRDUP(ret, virDomainOSTypeToString(vm->def->os.type)));
if (vm)
virObjectUnlock(vm);
virDomainObjEndAPI(&vm);
return ret;
}
@ -878,8 +870,7 @@ vmwareDomainLookupByUUID(virConnectPtr conn, const unsigned char *uuid)
dom = virGetDomain(conn, vm->def->name, vm->def->uuid, vm->def->id);
if (vm)
virObjectUnlock(vm);
virDomainObjEndAPI(&vm);
return dom;
}
@ -919,8 +910,7 @@ vmwareDomainIsActive(virDomainPtr dom)
ret = virDomainObjIsActive(obj);
if (obj)
virObjectUnlock(obj);
virDomainObjEndAPI(&obj);
return ret;
}
@ -937,8 +927,7 @@ vmwareDomainIsPersistent(virDomainPtr dom)
ret = obj->persistent;
if (obj)
virObjectUnlock(obj);
virDomainObjEndAPI(&obj);
return ret;
}
@ -958,8 +947,7 @@ vmwareDomainGetXMLDesc(virDomainPtr dom, unsigned int flags)
ret = virDomainDefFormat(vm->def, driver->caps,
virDomainDefFormatConvertXMLFlags(flags));
if (vm)
virObjectUnlock(vm);
virDomainObjEndAPI(&vm);
return ret;
}
@ -1091,8 +1079,7 @@ vmwareDomainGetInfo(virDomainPtr dom, virDomainInfoPtr info)
ret = 0;
cleanup:
if (vm)
virObjectUnlock(vm);
virDomainObjEndAPI(&vm);
return ret;
}
@ -1118,8 +1105,7 @@ vmwareDomainGetState(virDomainPtr dom,
ret = 0;
cleanup:
if (vm)
virObjectUnlock(vm);
virDomainObjEndAPI(&vm);
return ret;
}
@ -1161,8 +1147,7 @@ vmwareDomainHasManagedSaveImage(virDomainPtr dom, unsigned int flags)
ret = 0;
if (obj)
virObjectUnlock(obj);
virDomainObjEndAPI(&obj);
return ret;
}