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staging: comedi: ni_labpc: remove unnecessary test of dev->irq 

The ai subdevice (*do_cmd) pointer is only initialized if the
driver has successfully requested the interrupt. The extra test
in labpc_ai_cmd() is not necessary.

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>
This commit is contained in:
H Hartley Sweeten 2013-03-22 09:47:20 -07:00 committed by Greg Kroah-Hartman
parent fe7fc72af7
commit 9718e5dfd7
1 changed files with 0 additions and 5 deletions
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5
drivers/staging/comedi/drivers/ni_labpc.c
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@ -858,11 +858,6 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
enum scan_mode mode;
unsigned long flags;
if (!dev->irq) {
comedi_error(dev, "no irq assigned, cannot perform command");
return -1;
}
range = CR_RANGE(cmd->chanlist[0]);
aref = CR_AREF(cmd->chanlist[0]);