Fix: don't stop a session that was not previously started

Fixes #567

Signed-off-by: David Goulet <dgoulet@efficios.com>

diff --git a/src/bin/lttng-sessiond/cmd.c b/src/bin/lttng-sessiond/cmd.c
index cbf2bceff27908a164128ce27328459b4e5cfadf..9b7306b794668b0b75831306a0a3eeacc9f20625 100644 (file)
--- a/src/bin/lttng-sessiond/cmd.c
+++ b/src/bin/lttng-sessiond/cmd.c
@@ -1553,7 +1553,7 @@ int cmd_stop_trace(struct ltt_session *session)
        session->enabled = 0;
 
        /* Kernel tracer */
-       if (ksession) {
+       if (ksession && ksession->started) {
                DBG("Stop kernel tracing");
 
                /* Flush metadata if exist */
@@ -1583,7 +1583,7 @@ int cmd_stop_trace(struct ltt_session *session)
                ksession->started = 0;
        }
 
-       if (usess) {
+       if (usess && usess->start_trace) {
                usess->start_trace = 0;
 
                ret = ust_app_stop_trace_all(usess);