[libvirt] [PATCH v2 02/15] qemu_domain: Separate NVRAM VAR store file name generation

[Michal Privoznik]

Move the code that (possibly) generates filename of NVRAM VAR
store into a single function so that it can be re-used later.

Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
Reviewed-by: Laszlo Ersek <lersek at redhat.com>
---
 src/qemu/qemu_domain.c | 26 ++++++++++++++++++--------
 src/qemu/qemu_domain.h |  4 ++++
 2 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 1487268a89..2b0d05f2db 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -3874,14 +3874,8 @@ qemuDomainDefPostParse(virDomainDefPtr def,
         goto cleanup;
     }
 
-    if (def->os.loader &&
-        def->os.loader->type == VIR_DOMAIN_LOADER_TYPE_PFLASH &&
-        def->os.loader->readonly == VIR_TRISTATE_SWITCH_ON &&
-        !def->os.loader->nvram) {
-        if (virAsprintf(&def->os.loader->nvram, "%s/%s_VARS.fd",
-                        cfg->nvramDir, def->name) < 0)
-            goto cleanup;
-    }
+    if (qemuDomainNVRAMPathGenerate(cfg, def) < 0)
+        goto cleanup;
 
     if (qemuDomainDefAddDefaultDevices(def, qemuCaps) < 0)
         goto cleanup;
@@ -13956,3 +13950,19 @@ qemuDomainDiskIsMissingLocalOptional(virDomainDiskDefPtr disk)
            virStorageSourceIsLocalStorage(disk->src) && disk->src->path &&
            !virFileExists(disk->src->path);
 }
+
+
+int
+qemuDomainNVRAMPathGenerate(virQEMUDriverConfigPtr cfg,
+                            virDomainDefPtr def)
+{
+    if (def->os.loader &&
+        def->os.loader->type == VIR_DOMAIN_LOADER_TYPE_PFLASH &&
+        def->os.loader->readonly == VIR_TRISTATE_SWITCH_ON &&
+        !def->os.loader->nvram) {
+        return virAsprintf(&def->os.loader->nvram, "%s/%s_VARS.fd",
+                           cfg->nvramDir, def->name);
+    }
+
+    return 0;
+}
diff --git a/src/qemu/qemu_domain.h b/src/qemu/qemu_domain.h
index 7c6b50184c..136a7a7c72 100644
--- a/src/qemu/qemu_domain.h
+++ b/src/qemu/qemu_domain.h
@@ -1107,4 +1107,8 @@ qemuDomainIsUsingNoShutdown(qemuDomainObjPrivatePtr priv);
 bool
 qemuDomainDiskIsMissingLocalOptional(virDomainDiskDefPtr disk);
 
+int
+qemuDomainNVRAMPathGenerate(virQEMUDriverConfigPtr cfg,
+                            virDomainDefPtr def);
+
 #endif /* LIBVIRT_QEMU_DOMAIN_H */
-- 
2.19.2