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libxl: dispose libxl_dominfo after libxl_domain_info()

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As suggested in a previous thread [0] this patch adds some missing calls
to libxl_dominfo_{init,dispose} when doing some of the libxl_domain_info
operations which would otherwise lead to memory leaks.

[0]
https://www.redhat.com/archives/libvir-list/2015-September/msg00519.html

Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
This commit is contained in:
Joao Martins 2016-01-21 10:21:10 +00:00 committed by Jim Fehlig
parent 8c3c32f16a
commit d18d6a85f9
1 changed files with 10 additions and 2 deletions
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12
src/libxl/libxl_driver.c
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@ -358,6 +358,8 @@ libxlReconnectDomain(virDomainObjPtr vm,
virObjectLock(vm);
libxl_dominfo_init(&d_info);
/* Does domain still exist? */
rc = libxl_domain_info(cfg->ctx, &d_info, vm->def->id);
if (rc == ERROR_INVAL) {
@ -389,11 +391,13 @@ libxlReconnectDomain(virDomainObjPtr vm,
/* Enable domain death events */
libxl_evenable_domain_death(cfg->ctx, vm->def->id, 0, &priv->deathW);
libxl_dominfo_dispose(&d_info);
virObjectUnlock(vm);
virObjectUnref(cfg);
return 0;
out:
libxl_dominfo_dispose(&d_info);
libxlDomainCleanup(driver, vm);
if (!vm->persistent)
virDomainObjListRemoveLocked(driver->domains, vm);
@ -1589,6 +1593,8 @@ libxlDomainGetInfo(virDomainPtr dom, virDomainInfoPtr info)
info->memory = vm->def->mem.cur_balloon;
info->maxMem = virDomainDefGetMemoryActual(vm->def);
} else {
libxl_dominfo_init(&d_info);
if (libxl_domain_info(cfg->ctx, &d_info, vm->def->id) != 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("libxl_domain_info failed for domain '%d'"),
@ -1598,6 +1604,8 @@ libxlDomainGetInfo(virDomainPtr dom, virDomainInfoPtr info)
info->cpuTime = d_info.cpu_time;
info->memory = d_info.current_memkb;
info->maxMem = d_info.max_memkb;
libxl_dominfo_dispose(&d_info);
}
info->state = virDomainObjGetState(vm, NULL);
@ -4791,6 +4799,7 @@ libxlDomainMemoryStats(virDomainPtr dom,
virCheckFlags(0, -1);
libxl_dominfo_init(&d_info);
cfg = libxlDriverConfigGet(driver);
if (!(vm = libxlDomObjFromDomain(dom)))
@ -4822,13 +4831,12 @@ libxlDomainMemoryStats(virDomainPtr dom,
ret = i;
libxl_dominfo_dispose(&d_info);
endjob:
if (!libxlDomainObjEndJob(driver, vm))
vm = NULL;
cleanup:
libxl_dominfo_dispose(&d_info);
if (vm)
virObjectUnlock(vm);
virObjectUnref(cfg);