devc->raw_sample_buf = g_try_malloc(devc->limit_samples * 4);
if (!devc->raw_sample_buf) {
sr_err("ols: %s: devc->raw_sample_buf malloc failed",
devc->raw_sample_buf = g_try_malloc(devc->limit_samples * 4);
if (!devc->raw_sample_buf) {
sr_err("ols: %s: devc->raw_sample_buf malloc failed",