From: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Date: Mon, 24 Aug 2015 16:17:46 +0000 (-0400)
Subject: Remove unneeded RCU read lock
X-Git-Tag: v2.8.0-rc1~469
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=22c34f481f5a4491981e86a57f884852fc324a21;p=lttng-tools.git

Remove unneeded RCU read lock

lttng_ht_get_count() now takes the RCU read lock automatically.

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

diff --git a/src/bin/lttng-sessiond/save.c b/src/bin/lttng-sessiond/save.c
index 0a43eefa6..851b9ac5b 100644
--- a/src/bin/lttng-sessiond/save.c
+++ b/src/bin/lttng-sessiond/save.c
@@ -1386,11 +1386,7 @@ int save_domains(struct config_writer *writer, struct ltt_session *session)
 			goto end;
 		}
 
-		rcu_read_lock();
-		agent_count =
-			lttng_ht_get_count(session->ust_session->agents);
-		rcu_read_unlock();
-
+		agent_count = lttng_ht_get_count(session->ust_session->agents);
 		if (agent_count > 0) {
 			ret = config_writer_open_element(writer,
 				config_element_domain);