Add additional nullptr check

6 years ago · 6e3fee6f2a
parent 92c4dffc17
commit 6e3fee6f2a
1 changed files with 3 additions and 1 deletions
--- a/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.cc
+++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.cc
@ -1207,7 +1207,9 @@ void GrpcLb::FillChildRefsForChannelz(
    channelz::ChildRefsList* child_subchannels,
    channelz::ChildRefsList* child_channels) {
  // delegate to the RoundRobin to fill the children subchannels.
-  rr_policy_->FillChildRefsForChannelz(child_subchannels, child_channels);
+  if (rr_policy_ != nullptr) {
+    rr_policy_->FillChildRefsForChannelz(child_subchannels, child_channels);
+  }
  if (lb_channel_ != nullptr) {
    grpc_core::channelz::ChannelNode* channel_node =
        grpc_channel_get_channelz_node(lb_channel_);