Ensure that a filter is always passed with its filter expression

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/src/bin/lttng-sessiond/cmd.c b/src/bin/lttng-sessiond/cmd.c
index ac489fa2fa7f946a7c65a8b81d8f4572323ea16d..532106c1a3839e3e0f9d01c30d7447db41439570 100644 (file)
--- a/src/bin/lttng-sessiond/cmd.c
+++ b/src/bin/lttng-sessiond/cmd.c
@@ -1497,6 +1497,9 @@ static int _cmd_enable_event(struct ltt_session *session,
        assert(event);
        assert(channel_name);
 
+       /* If we have a filter, we must have its filter expression */
+       assert(!(!!filter_expression ^ !!filter));
+
        DBG("Enable event command for event \'%s\'", event->name);
 
        ret = validate_event_name(event->name);