X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fmain.c;h=6ae374483a428019721591fc012924044eb93758;hb=bd9b9e63d2d62d0c2efe1cdc348108b979d07698;hp=8e794bdf4365be1779c2f0bb94c5e99dae5b03ee;hpb=b09c7c76bc6f409ed9c303c81cba168234700568;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c
index 8e794bdf4..6ae374483 100644
--- a/src/bin/lttng-sessiond/main.c
+++ b/src/bin/lttng-sessiond/main.c
@@ -769,12 +769,18 @@ static void update_ust_app(int app_sock)
 {
 	struct ltt_session *sess, *stmp;
 
+	session_lock_list();
+
 	/* For all tracing session(s) */
 	cds_list_for_each_entry_safe(sess, stmp, &session_list_ptr->head, list) {
+		session_lock(sess);
 		if (sess->ust_session) {
 			ust_app_global_update(sess->ust_session, app_sock);
 		}
+		session_unlock(sess);
 	}
+
+	session_unlock_list();
 }
 
 /*
@@ -3471,11 +3477,7 @@ static int process_client_msg(struct command_ctx *cmd_ctx)
 
 		session_lock_list();
 		nr_sessions = lttng_sessions_count(cmd_ctx->creds.uid, cmd_ctx->creds.gid);
-		if (nr_sessions == 0) {
-			ret = LTTCOMM_NO_SESSION;
-			session_unlock_list();
-			goto error;
-		}
+
 		ret = setup_lttng_msg(cmd_ctx, sizeof(struct lttng_session) * nr_sessions);
 		if (ret < 0) {
 			session_unlock_list();