Based on the given code snippet, there is no apparent CWE-401 (Missing Release of Memory after Effective Lifetime) vulnerability. The code does not allocate any memory dynamically, and there is no need to release any memory before the function returns.

However, without more context and function definitions, it is difficult to determine if there are any potential memory leaks or other vulnerabilities in the code. If you have additional information or function definitions that could help identify the vulnerability, please provide them.