From: Ian Abbott <abbotti@mev.co.uk>
Date: Wed, 27 Jun 2007 10:37:20 +0000 (+0000)
Subject: Don't ignore return value of comedi_request_irq().
X-Git-Tag: r0_7_74~73
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=2a5e7a1dd02ccbd04c1e5a053c926889710436a2;p=comedi.git

Don't ignore return value of comedi_request_irq().
---

diff --git a/comedi/drivers/dt2814.c b/comedi/drivers/dt2814.c
index 80b8dc19..64628975 100644
--- a/comedi/drivers/dt2814.c
+++ b/comedi/drivers/dt2814.c
@@ -280,9 +280,12 @@ static int dt2814_attach(comedi_device *dev,comedi_devconfig *it)
 #endif
 	dev->irq=0;
 	if(irq>0){
-		printk("( irq = %d )\n",irq);
-		comedi_request_irq(irq,dt2814_interrupt,0,"dt2814",dev);
-		dev->irq=irq;
+		if(comedi_request_irq(irq,dt2814_interrupt,0,"dt2814",dev)){
+			printk("(irq %d unavailable)\n", irq);
+		}else{
+			printk("( irq = %d )\n",irq);
+			dev->irq=irq;
+		}
 	}else if(irq==0){
 		printk("(no irq)\n");
 	}else{