* \return If not, return -E_NO_WAV_HEADER, otherwise, return zero. If
* there is less than WAV_HEADER_LEN bytes awailable, return one.
*/
-static void check_wav_pre_select(struct sched *s, struct task *t)
+static void check_wav_pre_select(__a_unused struct sched *s, struct task *t)
{
struct check_wav_task *cwt = t->private_data;
unsigned char *a;