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path: root/drivers/staging/comedi/drivers/amplc_pci230.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/amplc_pci230.c')
-rw-r--r--drivers/staging/comedi/drivers/amplc_pci230.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/staging/comedi/drivers/amplc_pci230.c b/drivers/staging/comedi/drivers/amplc_pci230.c
index 42945de31fe2..d23aa5d8e62a 100644
--- a/drivers/staging/comedi/drivers/amplc_pci230.c
+++ b/drivers/staging/comedi/drivers/amplc_pci230.c
@@ -2337,7 +2337,8 @@ static irqreturn_t pci230_interrupt(int irq, void *d)
devpriv->intr_running = false;
spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
- comedi_handle_events(dev, s_ao);
+ if (s_ao)
+ comedi_handle_events(dev, s_ao);
comedi_handle_events(dev, s_ai);
return IRQ_HANDLED;