C++ implementation: Fix segfault due to invalid iterator (#492)

### Public-Facing Changes C++ implementation: Fix segfault due to invalid iterator ### Description See foxglove/ros-foxglove-bridge#251
foxglove · Jul 17, 2023 · 6e0bfdf · 6e0bfdf
1 parent 3599e26
commit 6e0bfdf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cpp/foxglove-websocket/include/foxglove/websocket/websocket_server.hpp b/cpp/foxglove-websocket/include/foxglove/websocket/websocket_server.hpp
@@ -1261,7 +1261,7 @@ void Server<ServerConfiguration>::handleUnsubscribe(const nlohmann::json& payloa
     ChannelId chanId = sub->first;
     _handlers.unsubscribeHandler(chanId, hdl);
     std::unique_lock<std::shared_mutex> clientsLock(_clientsMutex);
-    _clients.at(hdl).subscriptionsByChannel.erase(sub);
+    _clients.at(hdl).subscriptionsByChannel.erase(chanId);
   }
 }