staging: comedi: comedi_compat_ioctl should be NULL not 0
authorH Hartley Sweeten <hartleys@visionengravers.com>
Mon, 18 Jun 2012 23:53:17 +0000 (16:53 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 19 Jun 2012 00:39:21 +0000 (17:39 -0700)
When CONFIG_COMPAT is not defined, comedi_compat_ioctl should be
NULL not 0 in order to set the file_operations compat_ioctl variable
correctly.

This quiets a sparse warning about:

warning: Using plain integer as NULL pointer

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/comedi_compat32.h

index 0340a8949c6bad183269d8bb83e0160b9acce133..c99573be046a091cf5a943d8f20835bd4a794ba9 100644 (file)
@@ -37,7 +37,7 @@ extern long comedi_compat_ioctl(struct file *file, unsigned int cmd,
 
 #else /* CONFIG_COMPAT */
 
-#define comedi_compat_ioctl 0  /* NULL */
+#define comedi_compat_ioctl    NULL
 
 #endif /* CONFIG_COMPAT */