secret: Introduce secretAssignDef

This new API will allocate the secret, assign the def pointer, and
insert the secret onto the passed list. Whether that's the temporary
list in loadSecrets which gets loaded into the driver list or driver
list during secretDefineXML.
Signed-off-by: NJohn Ferlan <jferlan@redhat.com>

src/secret/secret_driver.c

@@ -168,6 +168,22 @@ secretFindByUsage(int usageType,
     return NULL;
 }
 
+
+static virSecretObjPtr
+secretAssignDef(virSecretObjPtr *list,
+                virSecretDefPtr def)
+{
+    virSecretObjPtr secret;
+
+    if (VIR_ALLOC(secret) < 0)
+        return NULL;
+
+    listInsert(list, secret);
+    secret->def = def;
+
+    return secret;
+}
+
 /* Permament secret storage */
 
 /* Secrets are stored in virSecretDriverStatePtr->configDir.  Each secret
@@ -374,7 +390,8 @@ listUnlinkSecret(virSecretObjPtr *pptr,
 
 
 static virSecretObjPtr
-secretLoad(const char *file,
+secretLoad(virSecretObjPtr *list,
+           const char *file,
            const char *path,
            const char *base64path)
 {
@@ -387,9 +404,8 @@ secretLoad(const char *file,
     if (secretLoadValidateUUID(def, file) < 0)
         goto cleanup;
 
-    if (VIR_ALLOC(secret) < 0)
+    if (!(secret = secretAssignDef(list, def)))
         goto cleanup;
-    secret->def = def;
     def = NULL;
 
     if (VIR_STRDUP(secret->configFile, path) < 0)
@@ -405,6 +421,7 @@ secretLoad(const char *file,
     secret = NULL;
 
  cleanup:
+    listUnlinkSecret(list, secret);
     secretFree(secret);
     virSecretDefFree(def);
     return ret;
@@ -449,7 +466,7 @@ loadSecrets(virSecretObjPtr *dest)
         }
         VIR_FREE(base64name);
 
-        if (!(secret = secretLoad(de->d_name, path, base64path))) {
+        if (!(secret = secretLoad(&list, de->d_name, path, base64path))) {
             virErrorPtr err = virGetLastError();
 
             VIR_ERROR(_("Error reading secret: %s"),
@@ -462,7 +479,6 @@ loadSecrets(virSecretObjPtr *dest)
 
         VIR_FREE(path);
         VIR_FREE(base64path);
-        listInsert(&list, secret);
     }
     /* Ignore error reported by readdir, if any.  It's better to keep the
        secrets we managed to find. */
@@ -712,7 +728,7 @@ secretDefineXML(virConnectPtr conn,
                 unsigned int flags)
 {
     virSecretPtr ret = NULL;
-    virSecretObjPtr secret;
+    virSecretObjPtr secret = NULL;
     virSecretDefPtr backup = NULL;
     virSecretDefPtr new_attrs;
 
@@ -742,7 +758,7 @@ secretDefineXML(virConnectPtr conn,
         }
 
         /* No existing secret at all, create one */
-        if (VIR_ALLOC(secret) < 0)
+        if (!(secret = secretAssignDef(&driver->secrets, new_attrs)))
             goto cleanup;
 
         virUUIDFormat(secret->def->uuid, uuidstr);
@@ -761,9 +777,6 @@ secretDefineXML(virConnectPtr conn,
             secretFree(secret);
             goto cleanup;
         }
-
-        listInsert(&driver->secrets, secret);
-        secret->def = new_attrs;
     } else {
         const char *newUsageID = secretUsageIDForDef(new_attrs);
         const char *oldUsageID = secretUsageIDForDef(secret->def);