staging: comedi: amplc_pci230: Replace NULLFUNC
authorIan Abbott <abbotti@mev.co.uk>
Fri, 8 Jun 2012 09:40:05 +0000 (10:40 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 11 Jun 2012 23:58:58 +0000 (16:58 -0700)
commit83afda9d449c61b55881d50465833784d8fda786
treea8aa880cd660231dfeff7ae54d479d62585a2e28
parentf59f231e3db835353d8d1ff91062d89140dc8be3
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: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/amplc_pci230.c