From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Tue, 3 Dec 2013 19:07:16 +0000 (-0700)
Subject: staging: comedi: pcl818: remove unnecessary 'dev->irq' tests
X-Git-Tag: firefly_0821_release~176^2~4489^2~580
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1dcea26a226c18cb843014d1f68d88a89c784912;p=firefly-linux-kernel-4.4.55.git

staging: comedi: pcl818: remove unnecessary 'dev->irq' tests

These functions can only be called if the irq was sucessfully requested.
The dev->irq will always be valid.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/comedi/drivers/pcl818.c b/drivers/staging/comedi/drivers/pcl818.c
index 3dac1dd1372f..5fc470800b01 100644
--- a/drivers/staging/comedi/drivers/pcl818.c
+++ b/drivers/staging/comedi/drivers/pcl818.c
@@ -700,7 +700,7 @@ static irqreturn_t interrupt_pcl818(int irq, void *d)
 
 	outb(0, dev->iobase + PCL818_CLRINT);	/* clear INT request */
 
-	if (!dev->irq || !devpriv->irq_blocked || !devpriv->ai_mode) {
+	if (!devpriv->irq_blocked || !devpriv->ai_mode) {
 		comedi_error(dev, "bad IRQ!");
 		return IRQ_NONE;
 	}
@@ -762,10 +762,6 @@ static int pcl818_ai_cmd_mode(int mode, struct comedi_device *dev,
 	unsigned int seglen;
 
 	dev_dbg(dev->class_dev, "pcl818_ai_cmd_mode()\n");
-	if (!dev->irq) {
-		comedi_error(dev, "IRQ not defined!");
-		return -EINVAL;
-	}
 
 	if (devpriv->irq_blocked)
 		return -EBUSY;