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qemu: Clean up qemuDomainSetNumaParameters

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Add whitespace to separate logical code blocks, reformat error messages
and clean up code flow.

This patch changes error handling in some cases where the the loop would
be continued to jump to cleanup instead and error out rather than modify
the domain any further.
This commit is contained in:
Peter Krempa 2014-01-06 14:11:42 +01:00
parent cad3cf9a95
commit 8b573a6b0d
1 changed files with 15 additions and 15 deletions
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30
src/qemu/qemu_driver.c
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@ -8237,6 +8237,7 @@ qemuDomainSetNumaParameters(virDomainPtr dom,
virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
VIR_DOMAIN_AFFECT_CONFIG, -1);
if (virTypedParamsValidate(params, nparams,
VIR_DOMAIN_NUMA_MODE,
VIR_TYPED_PARAM_INT,
@ -8263,43 +8264,40 @@ qemuDomainSetNumaParameters(virDomainPtr dom,
if (flags & VIR_DOMAIN_AFFECT_LIVE) {
if (!virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_CPUSET)) {
virReportError(VIR_ERR_OPERATION_INVALID,
"%s", _("cgroup cpuset controller is not mounted"));
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("cgroup cpuset controller is not mounted"));
goto cleanup;
}
}
ret = 0;
for (i = 0; i < nparams; i++) {
virTypedParameterPtr param = &params[i];
if (STREQ(param->field, VIR_DOMAIN_NUMA_MODE)) {
int mode = param->value.i;
if ((flags & VIR_DOMAIN_AFFECT_LIVE) &&
vm->def->numatune.memory.mode != params[i].value.i) {
vm->def->numatune.memory.mode != mode) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("can't change numa mode for running domain"));
ret = -1;
goto cleanup;
}
if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
persistentDef->numatune.memory.mode = params[i].value.i;
}
if (flags & VIR_DOMAIN_AFFECT_CONFIG)
persistentDef->numatune.memory.mode = mode;
} else if (STREQ(param->field, VIR_DOMAIN_NUMA_NODESET)) {
virBitmapPtr nodeset = NULL;
if (virBitmapParse(params[i].value.s,
0, &nodeset,
if (virBitmapParse(param->value.s, 0, &nodeset,
VIR_DOMAIN_CPUMASK_LEN) < 0) {
ret = -1;
continue;
goto cleanup;
}
if (flags & VIR_DOMAIN_AFFECT_LIVE) {
if (qemuDomainSetNumaParamsLive(vm, caps, nodeset) < 0) {
virBitmapFree(nodeset);
ret = -1;
continue;
goto cleanup;
}
/* update vm->def here so that dumpxml can read the new
@ -8328,9 +8326,11 @@ qemuDomainSetNumaParameters(virDomainPtr dom,
persistentDef->numatune.memory.placement_mode =
VIR_NUMA_TUNE_MEM_PLACEMENT_MODE_AUTO;
if (virDomainSaveConfig(cfg->configDir, persistentDef) < 0)
ret = -1;
goto cleanup;
}
ret = 0;
cleanup:
if (vm)
virObjectUnlock(vm);