pr_err_with_code
pr_err_with_code(" Error: Command Parse Error.", ret);
pr_err_with_code(" Error: Failed to show event list.", ret);
pr_err_with_code(" Error: Failed to show functions.", ret);
pr_err_with_code(" Error: Failed to show lines.", ret);
pr_err_with_code(" Error: Failed to show vars.", ret);
pr_err_with_code(" Error: Failed to delete events.", ret);
pr_err_with_code(" Error: Failed to add events.", ret);