[libvirt PATCH 4/9] conf: introduce virDomainDefParseBootFirmwareOptions

[Pavel Hrdina <phrdina@xxxxxxxxxx>]

Extract the code to it's own function.

Signed-off-by: Pavel Hrdina <phrdina@xxxxxxxxxx>
---
 src/conf/domain_conf.c | 39 +++++++++++++++++++++++++++------------
 1 file changed, 27 insertions(+), 12 deletions(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 4876fe61bb..03985b6687 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -19595,6 +19595,31 @@ virDomainDefParseBootKernelOptions(virDomainDefPtr def,
 }
 
 
+static int
+virDomainDefParseBootFirmwareOptions(virDomainDefPtr def,
+                                     xmlXPathContextPtr ctxt)
+{
+    g_autofree char *firmware = virXPathString("string(./os/@firmware)", ctxt);
+    int fw = 0;
+
+    if (!firmware)
+        return 0;
+
+    fw = virDomainOsDefFirmwareTypeFromString(firmware);
+
+    if (fw <= 0) {
+        virReportError(VIR_ERR_XML_ERROR,
+                       _("unknown firmware value %s"),
+                       firmware);
+        return -1;
+    }
+
+    def->os.firmware = fw;
+
+    return 0;
+}
+
+
 static int
 virDomainDefParseBootOptions(virDomainDefPtr def,
                              xmlXPathContextPtr ctxt)
@@ -19621,23 +19646,13 @@ virDomainDefParseBootOptions(virDomainDefPtr def,
         def->os.type == VIR_DOMAIN_OSTYPE_XENPVH ||
         def->os.type == VIR_DOMAIN_OSTYPE_HVM ||
         def->os.type == VIR_DOMAIN_OSTYPE_UML) {
-        g_autofree char *firmware = NULL;
         xmlNodePtr loader_node;
 
         virDomainDefParseBootKernelOptions(def, ctxt);
 
-        if (def->os.type == VIR_DOMAIN_OSTYPE_HVM &&
-            (firmware = virXPathString("string(./os/@firmware)", ctxt))) {
-            int fw = virDomainOsDefFirmwareTypeFromString(firmware);
-
-            if (fw <= 0) {
-                virReportError(VIR_ERR_XML_ERROR,
-                               _("unknown firmware value %s"),
-                               firmware);
+        if (def->os.type == VIR_DOMAIN_OSTYPE_HVM) {
+            if (virDomainDefParseBootFirmwareOptions(def, ctxt) < 0)
                 return -1;
-            }
-
-            def->os.firmware = fw;
         }
 
         if ((loader_node = virXPathNode("./os/loader[1]", ctxt))) {
-- 
2.30.2