Comment by fen4o

Exactly. This led to the famous OSX double goto bug [0]

  if ((err = SSLHashSHA1.update(&hashCtx, &signedParams)) != 0)
    goto fail;
    goto fail;
  ... other checks ...
  fail:
    ... buffer frees (cleanups) ...
    return err;

[0] https://www.dwheeler.com/essays/apple-goto-fail.html