virQEMUCapsFreeHostCPUModel: Don't always free host cpuData

This function exists because of 5276ec71. But it is
missing initial check just like virQEMUCapsInitHostCPUModel()
has.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

src/qemu/qemu_capabilities.c

@@ -2848,10 +2848,14 @@ virQEMUCapsNewHostCPUModel(void)
 
 void
 virQEMUCapsFreeHostCPUModel(virQEMUCapsPtr qemuCaps,
+                            virArch hostArch,
                             virDomainVirtType type)
 {
     virQEMUCapsHostCPUDataPtr cpuData = virQEMUCapsGetHostCPUData(qemuCaps, type);
 
+    if (!virQEMUCapsGuestIsNative(hostArch, qemuCaps->arch))
+        return;
+
     virQEMUCapsHostCPUDataClearModels(cpuData);
 }
 

src/qemu/qemu_capspriv.h

@@ -58,6 +58,7 @@ virQEMUCapsSetArch(virQEMUCapsPtr qemuCaps,
 
 void
 virQEMUCapsFreeHostCPUModel(virQEMUCapsPtr qemuCaps,
+                            virArch hostArch,
                             virDomainVirtType type);
 
 void

tests/qemuxml2argvtest.c

@@ -388,8 +388,10 @@ testUpdateQEMUCaps(const struct testInfo *info,
     if (testAddCPUModels(info->qemuCaps, info->skipLegacyCPUs) < 0)
         goto cleanup;
 
-    virQEMUCapsFreeHostCPUModel(info->qemuCaps, VIR_DOMAIN_VIRT_KVM);
-    virQEMUCapsFreeHostCPUModel(info->qemuCaps, VIR_DOMAIN_VIRT_QEMU);
+    virQEMUCapsFreeHostCPUModel(info->qemuCaps, caps->host.arch,
+                                VIR_DOMAIN_VIRT_KVM);
+    virQEMUCapsFreeHostCPUModel(info->qemuCaps, caps->host.arch,
+                                VIR_DOMAIN_VIRT_QEMU);
 
     virQEMUCapsInitHostCPUModel(info->qemuCaps, caps->host.arch,
                                 VIR_DOMAIN_VIRT_KVM);