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Commit 83afda9d authored by Ian Abbott's avatar Ian Abbott Committed by Greg Kroah-Hartman
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staging: comedi: amplc_pci230: Replace NULLFUNC 



The source code defines a macro NULLFUNC

  #define NULLFUNC 0

and uses it as a generic null function pointer constant.  This is
superfluous.  Just use NULL instead.

Signed-off-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f59f231e

drivers/staging/comedi/drivers/amplc_pci230.c

+2 −5
Original line number Diff line number Diff line
@@ -430,9 +430,6 @@ enum { 
/* Combine old and new bits. */

#define COMBINE(old, new, mask)	(((old) & ~(mask)) | ((new) & (mask)))



/* A generic null function pointer value.  */

#define NULLFUNC	0



/* Current CPU.  XXX should this be hard_smp_processor_id()? */

#define THISCPU		smp_processor_id()
@@ -1491,7 +1488,7 @@ static int pci230_ao_inttrig_start(struct comedi_device *dev, 
	if (trig_num != 0)

		return -EINVAL;



	s->async->inttrig = NULLFUNC;

	s->async->inttrig = NULL;

	pci230_ao_start(dev, s);



	return 1;
@@ -2292,7 +2289,7 @@ static int pci230_ai_inttrig_start(struct comedi_device *dev, 
	if (trig_num != 0)

		return -EINVAL;



	s->async->inttrig = NULLFUNC;

	s->async->inttrig = NULL;

	pci230_ai_start(dev, s);



	return 1;