Re: [PATCH v2 6/7] tests: Introduce QEMU memory locking limit tests

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On Mon, Mar 27, 2017 at 05:38:58PM +0200, Andrea Bolognani wrote:
These tests cover a number of scenarios where we care about
the memory locking limit being set correctly for the guest
to work properly.
---

+static int
+testCompareMemLock(const void *data)
+{
+    const struct testInfo *info = data;
+    virConnectPtr conn = NULL;
+    virDomainObjPtr vm = NULL;
+    char *xml = NULL;
+    int ret = -1;
+
+    if (!(conn = virGetConnect()))
+        goto cleanup;
+
+    if (virAsprintf(&xml, "%s/qemumemlockdata/qemumemlock-%s.xml",
+                    abs_srcdir, info->name) < 0)
+        goto cleanup;
+
+    if (!(vm = virDomainObjNew(driver.xmlopt)))
+        goto cleanup;
+
+    if (!(vm->def = virDomainDefParseFile(xml, driver.caps, driver.xmlopt, NULL,
+                                          VIR_DOMAIN_DEF_PARSE_INACTIVE))) {
+        goto cleanup;
+    }
+
+    if (virTestCompareToULL(info->memlock, qemuDomainGetMemLockLimitBytes(vm->def)) < 0)
+        goto cleanup;
+
+    ret = 0;
+
+ cleanup:
+    virObjectUnref(vm);
+    virObjectUnref(conn);
+    VIR_FREE(xml);
+
+    return ret;
+}
+

Looking at this function I don't think we really understood each other.
Looks like I explain better with code than words, so let me fix that
right up.  ACK with the following squashed in:

diff --git c/tests/qemumemlocktest.c w/tests/qemumemlocktest.c
index 91593884656f..50e23d584e30 100644
--- c/tests/qemumemlocktest.c
+++ w/tests/qemumemlocktest.c
@@ -34,34 +34,23 @@ static int
testCompareMemLock(const void *data)
{
    const struct testInfo *info = data;
-    virConnectPtr conn = NULL;
-    virDomainObjPtr vm = NULL;
+    virDomainDefPtr def = NULL;
    char *xml = NULL;
    int ret = -1;

-    if (!(conn = virGetConnect()))
-        goto cleanup;
-
    if (virAsprintf(&xml, "%s/qemumemlockdata/qemumemlock-%s.xml",
                    abs_srcdir, info->name) < 0)
        goto cleanup;

-    if (!(vm = virDomainObjNew(driver.xmlopt)))
-        goto cleanup;
-
-    if (!(vm->def = virDomainDefParseFile(xml, driver.caps, driver.xmlopt, NULL,
-                                          VIR_DOMAIN_DEF_PARSE_INACTIVE))) {
+    if (!(def = virDomainDefParseFile(xml, driver.caps, driver.xmlopt, NULL,
+                                      VIR_DOMAIN_DEF_PARSE_INACTIVE))) {
        goto cleanup;
    }

-    if (virTestCompareToULL(info->memlock, qemuDomainGetMemLockLimitBytes(vm->def)) < 0)
-        goto cleanup;
-
-    ret = 0;
-
+    ret = virTestCompareToULL(info->memlock,
+                              qemuDomainGetMemLockLimitBytes(def));
 cleanup:
-    virObjectUnref(vm);
-    virObjectUnref(conn);
+    virDomainDefFree(def);
    VIR_FREE(xml);

    return ret;
--

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