Refactoring: move count to an output parameter

[lttng-tools.git] / src / lib / lttng-ctl / lttng-ctl.c

diff --git a/src/lib/lttng-ctl/lttng-ctl.c b/src/lib/lttng-ctl/lttng-ctl.c
index 88daf45aa40140bcc38715271cd4dd655c6c3a2e..cfe4371186447a1bbe51f8676e59550c7b7efcf3 100644 (file)
--- a/src/lib/lttng-ctl/lttng-ctl.c
+++ b/src/lib/lttng-ctl/lttng-ctl.c
@@ -2943,7 +2943,7 @@ int lttng_list_tracker_pids(struct lttng_handle *handle,
                int *_enabled, int32_t **_pids, size_t *_nr_pids)
 {
        struct lttng_tracker_ids *ids = NULL;
-       size_t nr_ids = 0;
+       unsigned int nr_ids = 0;
        int *pids = NULL;
        int ret = 0, i;
        enum lttng_tracker_id_status status;
@@ -2954,7 +2954,11 @@ int lttng_list_tracker_pids(struct lttng_handle *handle,
                return ret;
        }
 
-       nr_ids = lttng_tracker_ids_get_count(ids);
+       status = lttng_tracker_ids_get_count(ids, &nr_ids);
+       if (status != LTTNG_TRACKER_ID_STATUS_OK) {
+               ret = -LTTNG_ERR_INVALID;
+               goto end;
+       }
 
        if (nr_ids == 1) {
                id = lttng_tracker_ids_get_at_index(ids, 0);