From: David Goulet <david.goulet@polymtl.ca>
Date: Wed, 30 Nov 2011 22:26:00 +0000 (-0500)
Subject: Add missing rcu read lock
X-Git-Tag: v2.0-pre15~48
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=e5abf1bf4deccb3b4218e534ce69afd224791adc;p=lttng-tools.git

Add missing rcu read lock

Signed-off-by: David Goulet <david.goulet@polymtl.ca>
---

diff --git a/lttng-sessiond/ust-app.c b/lttng-sessiond/ust-app.c
index 7276cbb63..12ac39404 100644
--- a/lttng-sessiond/ust-app.c
+++ b/lttng-sessiond/ust-app.c
@@ -1136,7 +1136,9 @@ int create_ust_app_event(struct ust_app_session *ua_sess,
 	/* Create it on the tracer side */
 	ret = create_ust_event(app, ua_sess, ua_chan, ua_event);
 	if (ret < 0) {
+		rcu_read_lock();
 		delete_ust_app_event(app->key.sock, ua_event);
+		rcu_read_unlock();
 		goto error;
 	}