Fix: lttng-ctl: uninitialized pointer read

Reported by Coverity:

    CID 1475822: Uninitialized pointer read (UNINIT)
    Using uninitialized value reply._fd_handles.array.size when calling lttng_payload_reset.

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Change-Id: Ied7f5de61d736e8d8f9c869a36322262a4d79cd5

diff --git a/src/lib/lttng-ctl/lttng-ctl.c b/src/lib/lttng-ctl/lttng-ctl.c
index 089c9c1f8cff680232968807597bdf3249be213b..012ba13b070c7c77707057322cf62e5fc9905f29 100644 (file)
--- a/src/lib/lttng-ctl/lttng-ctl.c
+++ b/src/lib/lttng-ctl/lttng-ctl.c
@@ -2416,14 +2416,14 @@ int lttng_list_events(struct lttng_handle *handle,
                                (const char *) &lsm, 0, sizeof(lsm));
        unsigned int nb_events = 0;
 
+       lttng_payload_init(&reply);
+
        /* Safety check. An handle and channel name are mandatory. */
        if (handle == NULL || channel_name == NULL) {
                ret = -LTTNG_ERR_INVALID;
                goto end;
        }
 
-       lttng_payload_init(&reply);
-
        /* Initialize command parameters. */
        lsm.cmd_type = LTTNG_LIST_EVENTS;
        ret = lttng_strncpy(lsm.session.name, handle->session_name,