From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Thu, 31 May 2012 20:13:08 +0000 (-0400)
Subject: Fix list field: handle error
X-Git-Tag: v2.1.0-rc1~72
X-Git-Url: https://git.lttng.org/?a=commitdiff_plain;h=1f9ea73ccce16c5bc7e4eeb27db21b7bf62c9823;p=lttng-ust.git

Fix list field: handle error

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/liblttng-ust-ctl/ustctl.c b/liblttng-ust-ctl/ustctl.c
index b0b5b6cc..9789413f 100644
--- a/liblttng-ust-ctl/ustctl.c
+++ b/liblttng-ust-ctl/ustctl.c
@@ -520,6 +520,10 @@ int ustctl_tracepoint_field_list_get(int sock, int tp_field_list_handle,
 	ret = ustcomm_send_app_cmd(sock, &lum, &lur);
 	if (ret)
 		return ret;
+	if (lur.ret_code != USTCOMM_OK) {
+		DBG("Return code: %s", ustcomm_get_readable_code(lur.ret_code));
+		return -EINVAL;
+	}
 	len = ustcomm_recv_unix_sock(sock, iter, sizeof(*iter));
 	if (len != sizeof(*iter)) {
 		return -EINVAL;