virt plugin: fail init with no libvirt connection

Even though we handle disconnection and reconnection
in the read() callback, we expect the libvirt connection
to be available most of the time, including the init()
stage.

Thus, let's fail init() if the connection is not available.

Signed-off-by: Francesco Romani <fromani@redhat.com>

diff --git a/src/virt.c b/src/virt.c
index 242d0d33a4df04c3ab18645a843fccd2b670645b..93f9aee30d80bdb2427c3edd86191966326c9c19 100644 (file)
--- a/src/virt.c
+++ b/src/virt.c
@@ -740,7 +740,8 @@ static int lv_init(void) {
   if (virInitialize() != 0)
     return -1;
 
-  lv_connect();
+  if (lv_connect() != 0)
+    return -1;
 
   DEBUG(PLUGIN_NAME " plugin: starting %i instances", nr_instances);