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-rw-r--r--sound/isa/wavefront/wavefront_synth.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/sound/isa/wavefront/wavefront_synth.c b/sound/isa/wavefront/wavefront_synth.c
index 2da11e8337dd..a1ebb7c5c684 100644
--- a/sound/isa/wavefront/wavefront_synth.c
+++ b/sound/isa/wavefront/wavefront_synth.c
@@ -1768,7 +1768,7 @@ snd_wavefront_interrupt_bits (int irq)
static void __devinit
wavefront_should_cause_interrupt (snd_wavefront_t *dev,
- int val, int port, int timeout)
+ int val, int port, unsigned long timeout)
{
wait_queue_t wait;
@@ -1779,11 +1779,9 @@ wavefront_should_cause_interrupt (snd_wavefront_t *dev,
dev->irq_ok = 0;
outb (val,port);
spin_unlock_irq(&dev->irq_lock);
- while (1) {
- if ((timeout = schedule_timeout(timeout)) == 0)
- return;
- if (dev->irq_ok)
- return;
+ while (!dev->irq_ok && time_before(jiffies, timeout)) {
+ schedule_timeout_uninterruptible(1);
+ barrier();
}
}