a bug fix

e42d033d · root · 3690d3ba · e42d033d
Commit e42d033d authored Mar 02, 2018 by root
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weighted_round_robin_load_balancer.cpp src/brpc/policy/weighted_round_robin_load_balancer.cpp +3 -2

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--- a/src/brpc/policy/weighted_round_robin_load_balancer.cpp
+++ b/src/brpc/policy/weighted_round_robin_load_balancer.cpp
@@ -177,8 +177,9 @@ int64_t WeightedRoundRobinLoadBalancer::GetBestServer(
    if (tls.HasRemainServer()) {
        final_server = tls.remain_server.first;
    } else {
-        final_server = tls.position == 0 ? server_list.size() -1 
-                                           : tls.position -1;
+        size_t index = tls.position == 0 ? server_list.size() - 1 
+                                      : tls.position - 1;
+        final_server = server_list[index].first;
    }
    return final_server;
 }