1 files changed, 1 insertions, 0 deletions

diff --git a/sound/drivers/mpu401/mpu401_uart.c b/sound/drivers/mpu401/mpu401_uart.c
index 1cff331a228e..4608c2ca43f8 100644
--- a/sound/drivers/mpu401/mpu401_uart.c
+++ b/sound/drivers/mpu401/mpu401_uart.c
@@ -554,6 +554,7 @@ int snd_mpu401_uart_new(struct snd_card *card, int device,
         spin_lock_init(&mpu->output_lock);
         spin_lock_init(&mpu->timer_lock);
         mpu->hardware = hardware;
+        mpu->irq = -1;
         if (! (info_flags & MPU401_INFO_INTEGRATED)) {
                 int res_size = hardware == MPU401_HW_PC98II ? 4 : 2;
                 mpu->res = request_region(port, res_size, "MPU401 UART");