[PATCH v2 2/2] vz: factor out config update flags checks

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Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@xxxxxxxxxxxxx>
---
 src/vz/vz_driver.c |   86 +++++++++++++++++----------------------------------
 1 files changed, 29 insertions(+), 57 deletions(-)

diff --git a/src/vz/vz_driver.c b/src/vz/vz_driver.c
index 7a4d431..3392dc3 100644
--- a/src/vz/vz_driver.c
+++ b/src/vz/vz_driver.c
@@ -1032,6 +1032,32 @@ vzDomainManagedSaveRemove(virDomainPtr domain, unsigned int flags)
     return ret;
 }
 
+int vzCheckConfigUpdateFlags(virDomainObjPtr dom, unsigned int flags)
+{
+    if (!(flags & VIR_DOMAIN_AFFECT_CONFIG)) {
+        virReportError(VIR_ERR_OPERATION_INVALID, "%s",
+                       _("domain config update needs VIR_DOMAIN_AFFECT_CONFIG "
+                         "flag to be set"));
+        return -1;
+    }
+
+    if (!virDomainObjIsActive(dom) && (flags & VIR_DOMAIN_AFFECT_LIVE)) {
+        virReportError(VIR_ERR_OPERATION_INVALID, "%s",
+                       _("cannot do live update domain config on "
+                         "inactive domain"));
+        return -1;
+    }
+
+    if (virDomainObjIsActive(dom) && !(flags & VIR_DOMAIN_AFFECT_LIVE)) {
+        virReportError(VIR_ERR_OPERATION_INVALID, "%s",
+                       _("Updates on a running domain need "
+                         "VIR_DOMAIN_AFFECT_LIVE flag"));
+        return -1;
+    }
+
+    return 0;
+}
+
 static int vzDomainAttachDeviceFlags(virDomainPtr dom, const char *xml,
                                      unsigned int flags)
 {
@@ -1039,7 +1065,6 @@ static int vzDomainAttachDeviceFlags(virDomainPtr dom, const char *xml,
     vzConnPtr privconn = dom->conn->privateData;
     virDomainDeviceDefPtr dev = NULL;
     virDomainObjPtr privdom = NULL;
-    bool domactive = false;
 
     virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
                   VIR_DOMAIN_AFFECT_CONFIG, -1);
@@ -1047,25 +1072,8 @@ static int vzDomainAttachDeviceFlags(virDomainPtr dom, const char *xml,
     if (!(privdom = vzDomObjFromDomain(dom)))
         return -1;
 
-    if (!(flags & VIR_DOMAIN_AFFECT_CONFIG)) {
-        virReportError(VIR_ERR_OPERATION_INVALID, "%s",
-                       _("device attach needs VIR_DOMAIN_AFFECT_CONFIG "
-                         "flag to be set"));
+    if (vzCheckConfigUpdateFlags(privdom, flags) < 0)
         goto cleanup;
-    }
-
-    domactive = virDomainObjIsActive(privdom);
-    if (!domactive && (flags & VIR_DOMAIN_AFFECT_LIVE)) {
-        virReportError(VIR_ERR_OPERATION_INVALID, "%s",
-                       _("cannot do live update a device on "
-                         "inactive domain"));
-        goto cleanup;
-    }
-    if (domactive && !(flags & VIR_DOMAIN_AFFECT_LIVE)) {
-        virReportError(VIR_ERR_OPERATION_INVALID, "%s",
-                       _("Updates on a running domain need "
-                         "VIR_DOMAIN_AFFECT_LIVE flag"));
-    }
 
     dev = virDomainDeviceDefParse(xml, privdom->def, privconn->caps,
                                   privconn->xmlopt, VIR_DOMAIN_XML_INACTIVE);
@@ -1115,7 +1123,6 @@ static int vzDomainDetachDeviceFlags(virDomainPtr dom, const char *xml,
     vzConnPtr privconn = dom->conn->privateData;
     virDomainDeviceDefPtr dev = NULL;
     virDomainObjPtr privdom = NULL;
-    bool domactive = false;
 
     virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
                   VIR_DOMAIN_AFFECT_CONFIG, -1);
@@ -1124,25 +1131,8 @@ static int vzDomainDetachDeviceFlags(virDomainPtr dom, const char *xml,
     if (privdom == NULL)
         return -1;
 
-    if (!(flags & VIR_DOMAIN_AFFECT_CONFIG)) {
-        virReportError(VIR_ERR_OPERATION_INVALID, "%s",
-                       _("device detach needs VIR_DOMAIN_AFFECT_CONFIG "
-                         "flag to be set"));
+    if (vzCheckConfigUpdateFlags(privdom, flags) < 0)
         goto cleanup;
-    }
-
-    domactive = virDomainObjIsActive(privdom);
-    if (!domactive && (flags & VIR_DOMAIN_AFFECT_LIVE)) {
-        virReportError(VIR_ERR_OPERATION_INVALID, "%s",
-                       _("cannot do live update a device on "
-                         "inactive domain"));
-        goto cleanup;
-    }
-    if (domactive && !(flags & VIR_DOMAIN_AFFECT_LIVE)) {
-        virReportError(VIR_ERR_OPERATION_INVALID, "%s",
-                       _("Updates on a running domain need "
-                         "VIR_DOMAIN_AFFECT_LIVE flag"));
-    }
 
     dev = virDomainDeviceDefParse(xml, privdom->def, privconn->caps,
                                   privconn->xmlopt, VIR_DOMAIN_XML_INACTIVE);
@@ -1468,26 +1458,8 @@ static int vzDomainSetMemoryFlags(virDomainPtr domain, unsigned long memory,
     if (!(dom = vzDomObjFromDomain(domain)))
         return -1;
 
-    if (!(flags & VIR_DOMAIN_AFFECT_CONFIG)) {
-        virReportError(VIR_ERR_OPERATION_INVALID, "%s",
-                       _("domain config update needs VIR_DOMAIN_AFFECT_CONFIG "
-                         "flag to be set"));
-        goto cleanup;
-    }
-
-    if (!virDomainObjIsActive(dom) && (flags & VIR_DOMAIN_AFFECT_LIVE)) {
-        virReportError(VIR_ERR_OPERATION_INVALID, "%s",
-                       _("cannot do live update domain config on "
-                         "inactive domain"));
-        goto cleanup;
-    }
-
-    if (virDomainObjIsActive(dom) && !(flags & VIR_DOMAIN_AFFECT_LIVE)) {
-        virReportError(VIR_ERR_OPERATION_INVALID, "%s",
-                       _("updates on a running domain need "
-                         "VIR_DOMAIN_AFFECT_LIVE flag"));
+    if (vzCheckConfigUpdateFlags(dom, flags) < 0)
         goto cleanup;
-    }
 
     ret = vzDomainSetMemoryDefault(dom, memory);
 
-- 
1.7.1

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