staging: comedi: addi_apci_1564: remove null check of devpriv in apci1564_detach()
authorChase Southwood <chase.southwood@gmail.com>
Fri, 11 Jul 2014 04:02:27 +0000 (23:02 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 12 Jul 2014 00:38:42 +0000 (17:38 -0700)
There is no need to test whether devpriv is null in this function.  The
check looks left over and we can just remove it.

Signed-off-by: Chase Southwood <chase.southwood@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/addi_apci_1564.c

index e3dcab7..f91aedd 100644 (file)
@@ -433,14 +433,10 @@ static int apci1564_auto_attach(struct comedi_device *dev,
 
 static void apci1564_detach(struct comedi_device *dev)
 {
-       struct apci1564_private *devpriv = dev->private;
-
-       if (devpriv) {
-               if (dev->iobase)
-                       apci1564_reset(dev);
-               if (dev->irq)
-                       free_irq(dev->irq, dev);
-       }
+       if (dev->iobase)
+               apci1564_reset(dev);
+       if (dev->irq)
+               free_irq(dev->irq, dev);
        comedi_pci_disable(dev);
 }