diff --git a/[refs] b/[refs]
index 10808ec914d1..37adf6aed4a9 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0717d0f5d2737a63650a8d928360769e0d411bd5
+refs/heads/master: c6b76d1f02e2ab1109d8549877a3a24c6a2b4587
diff --git a/trunk/sound/pci/au88x0/au88x0_core.c b/trunk/sound/pci/au88x0/au88x0_core.c
index 1181c5ec2d4f..525f881f0409 100644
--- a/trunk/sound/pci/au88x0/au88x0_core.c
+++ b/trunk/sound/pci/au88x0/au88x0_core.c
@@ -2477,7 +2477,7 @@ static irqreturn_t vortex_interrupt(int irq, void *dev_id)
 		hwread(vortex->mmio, VORTEX_IRQ_STAT);
 		handled = 1;
 	}
-	if (source & IRQ_MIDI) {
+	if ((source & IRQ_MIDI) && vortex->rmidi) {
 		snd_mpu401_uart_interrupt(vortex->irq,
 					  vortex->rmidi->private_data);
 		handled = 1;