stat: fix potential segfault for json output on network client

Fixes: b01af66b13f0 ("add eta and elapsed to root of json output")
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/stat.c b/stat.c
index 7fa601b72d0c3b2e6c449040cbe97f1ea9f60e1d..2a65fed8fc2ebd61a8c4de3df97fff463fe3e23c 100644 (file)
--- a/stat.c
+++ b/stat.c
@@ -1083,9 +1083,10 @@ static struct json_object *show_thread_status_json(struct thread_stat *ts,
 
        /* ETA Info */
        je = get_jobs_eta(1, &size);
-       json_object_add_value_int(root, "eta", je->eta_sec);
-       json_object_add_value_int(root, "elapsed", je->elapsed_sec);
-
+       if (je) {
+               json_object_add_value_int(root, "eta", je->eta_sec);
+               json_object_add_value_int(root, "elapsed", je->elapsed_sec);
+       }
 
        add_ddir_status_json(ts, rs, DDIR_READ, root);
        add_ddir_status_json(ts, rs, DDIR_WRITE, root);