Refs #22756. Apply suggestion.

Signed-off-by: Miguel Company <miguelcompany@eprosima.com>

Author: MiguelCompany

src/cpp/rtps/transport/asio_helpers.hpp

@@ -50,6 +50,8 @@ struct asio_helpers
     {
         asio::error_code ec;
 
+        assert(initial_buffer_value >= minimum_buffer_value);
+
         final_buffer_value = initial_buffer_value;
         while (final_buffer_value > minimum_buffer_value)
         {
@@ -85,9 +87,10 @@ struct asio_helpers
         if (!ec)
         {
             // Last attempt was successful. Get the actual value set.
+            int32_t max_value = static_cast<int32_t>(initial_buffer_value);
             BufferOptionType option;
             socket.get_option(option, ec);
-            if (!ec && (option.value() >= value_to_set))
+            if (!ec && (option.value() >= value_to_set) && (option.value() <= max_value))
             {
                 final_buffer_value = option.value();
                 return true;