-From 6e030cd398065d17ab01fe7b2a3e655c5e5f19eb Mon Sep 17 00:00:00 2001
+From b58dfd87e2ff6552caab3e8b67966ab6b8c63080 Mon Sep 17 00:00:00 2001
From: Dietmar Maurer <dietmar@proxmox.com>
Date: Tue, 13 Nov 2012 11:27:56 +0100
Subject: [PATCH v3 3/6] add backup related monitor commands
+
#endif /* QEMU_BACKUP_H */
diff --git a/blockdev.c b/blockdev.c
-index e73fd6e..c635d21 100644
+index e73fd6e..9e85ffe 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -20,6 +20,7 @@
+ }
+
+ const char *basename = g_path_get_basename(config_filename);
-+ if (driver->register_config_cb(writer, basename, cdata, clen) <= 0) {
++ if (driver->register_config_cb(writer, basename, cdata, clen) < 0) {
+ error_setg(errp, "register_config failed");
+ g_free(cdata);
+ goto err;