From 50d7299da86d8bb8e2f9e888b70abf528aaca2d8 Mon Sep 17 00:00:00 2001 From: =?utf8?q?J=C3=A9r=C3=A9mie=20Galarneau?= Date: Tue, 18 Nov 2014 09:35:48 -0500 Subject: [PATCH] Fix: Missing rcu_read_lock in get_session_max_subbuf_size() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Jérémie Galarneau --- src/bin/lttng-sessiond/cmd.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/bin/lttng-sessiond/cmd.c b/src/bin/lttng-sessiond/cmd.c index 2dcc52b7a..2c6f6f4a7 100644 --- a/src/bin/lttng-sessiond/cmd.c +++ b/src/bin/lttng-sessiond/cmd.c @@ -3054,12 +3054,14 @@ static uint64_t get_session_max_subbuf_size(struct ltt_session *session) struct ltt_ust_channel *uchan; struct ltt_ust_session *usess = session->ust_session; + rcu_read_lock(); cds_lfht_for_each_entry(usess->domain_global.channels->ht, &iter.iter, uchan, node.node) { if (uchan->attr.subbuf_size > max_size) { max_size = uchan->attr.subbuf_size; } } + rcu_read_unlock(); } return max_size; -- 2.34.1