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path: root/sound/drivers/mpu401
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Diffstat (limited to 'sound/drivers/mpu401')
-rw-r--r--sound/drivers/mpu401/mpu401_uart.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/sound/drivers/mpu401/mpu401_uart.c b/sound/drivers/mpu401/mpu401_uart.c
index ee67b522d259..8687ae3c66b8 100644
--- a/sound/drivers/mpu401/mpu401_uart.c
+++ b/sound/drivers/mpu401/mpu401_uart.c
@@ -133,12 +133,13 @@ irqreturn_t snd_mpu401_uart_interrupt(int irq, void *dev_id, struct pt_regs *reg
static void snd_mpu401_uart_timer(unsigned long data)
{
struct snd_mpu401 *mpu = (struct snd_mpu401 *)data;
+ unsigned long flags;
- spin_lock(&mpu->timer_lock);
+ spin_lock_irqsave(&mpu->timer_lock, flags);
/*mpu->mode |= MPU401_MODE_TIMER;*/
mpu->timer.expires = 1 + jiffies;
add_timer(&mpu->timer);
- spin_unlock(&mpu->timer_lock);
+ spin_unlock_irqrestore(&mpu->timer_lock, flags);
if (mpu->rmidi)
_snd_mpu401_uart_interrupt(mpu);
}