Fix security driver configuration

The security driver was mistakenly initialized before the QEMU
config file was loaded. This prevents it being turned off again.
The capabilities XML was also getting the wrong security driver
name, due to the stacked driver arrangement.

* src/qemu/qemu_driver.c: Fix initialization order and capabilities
  model name

src/qemu/qemu_driver.c

@@ -933,7 +933,7 @@ qemudSecurityInit(struct qemud_driver *qemud_drv)
 
 static virCapsPtr
 qemuCreateCapabilities(virCapsPtr oldcaps,
-                       virSecurityDriverPtr secDriver)
+                       struct qemud_driver *driver)
 {
     virCapsPtr caps;
 
@@ -951,11 +951,11 @@ qemuCreateCapabilities(virCapsPtr oldcaps,
 
 
     /* Security driver data */
-    if (secDriver) {
+    if (driver->securityPrimaryDriver) {
         const char *doi, *model;
 
-        doi = virSecurityDriverGetDOI(secDriver);
-        model = virSecurityDriverGetModel(secDriver);
+        doi = virSecurityDriverGetDOI(driver->securityPrimaryDriver);
+        model = virSecurityDriverGetModel(driver->securityPrimaryDriver);
 
         if (!(caps->host.secModel.model = strdup(model)))
             goto no_memory;
@@ -1098,20 +1098,20 @@ qemudStartup(int privileged) {
                  virStrerror(-rc, buf, sizeof(buf)));
     }
 
+    if (qemudLoadDriverConfig(qemu_driver, driverConf) < 0) {
+        goto error;
+    }
+
     if (qemudSecurityInit(qemu_driver) < 0)
         goto error;
 
     if ((qemu_driver->caps = qemuCreateCapabilities(NULL,
-                                                    qemu_driver->securityDriver)) == NULL)
+                                                    qemu_driver)) == NULL)
         goto error;
 
     if ((qemu_driver->activePciHostdevs = pciDeviceListNew()) == NULL)
         goto error;
 
-    if (qemudLoadDriverConfig(qemu_driver, driverConf) < 0) {
-        goto error;
-    }
-
     if (privileged) {
         if (chown(qemu_driver->libDir, qemu_driver->user, qemu_driver->group) < 0) {
             virReportSystemError(errno,
@@ -3065,7 +3065,7 @@ static char *qemudGetCapabilities(virConnectPtr conn) {
     qemuDriverLock(driver);
 
     if ((caps = qemuCreateCapabilities(qemu_driver->caps,
-                                       qemu_driver->securityDriver)) == NULL) {
+                                       qemu_driver)) == NULL) {
         virCapabilitiesFree(caps);
         goto cleanup;
     }