component_io_cb: Avoid potential deadlock

Don't unref NiceAgent while holding agent mutex. If it's the last
reference, nice_agent_dispose() will try to acquire the mutex again and
deadlock.

diff --git a/agent/agent.c b/agent/agent.c
index 3c1cdcd..e918c03 100644 (file)
--- a/agent/agent.c
+++ b/agent/agent.c
@@ -5387,9 +5387,10 @@ done:
   return !remove_source;
 
 out:
+  agent_unlock_and_emit (agent);
+
   g_object_unref (agent);
 
-  agent_unlock_and_emit (agent);
   return G_SOURCE_REMOVE;
 }