ath9k_hw_init_macaddr unconditionally returns 0 in all cases, making the
return value unnecessary.
Signed-off-by: NMartin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: NJulian Calaby <julian.calaby@gmail.com>
Signed-off-by: NKalle Valo <kvalo@qca.qualcomm.com>