MXS-3023: Fix ID generator overflow

The result must always be non-negative.
2020-06-04 15:31:17 +03:00 · 2020-06-04 15:31:17 +03:00 · d025f5123e
commit d025f5123e
parent 5380bd65f1
1 changed files with 1 additions and 1 deletions
--- a/server/core/routingworker.cc
+++ b/server/core/routingworker.cc
@ -1064,7 +1064,7 @@ std::unique_ptr<json_t> RoutingWorker::get_qc_stats_as_json(const char* zHost)
 // static
 RoutingWorker* RoutingWorker::pick_worker()
 {
-    static int id_generator = 0;
+    static uint32_t id_generator = 0;
    int id = this_unit.id_min_worker
        + (mxb::atomic::add(&id_generator, 1, mxb::atomic::RELAXED) % this_unit.nWorkers);
    return get(id);