staging: comedi: serial2002: quiet NULL pointer sparse noise

Quiet a number of sparse warnings in this file:

warning: Using plain integer as NULL pointer

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

diff --git a/drivers/staging/comedi/drivers/serial2002.c b/drivers/staging/comedi/drivers/serial2002.c
index 9200310dce5dd408a19f14d9f18c8df5f181b6aa..c25808c052511879e64c1f047910a5b752a5f560 100644 (file)
--- a/drivers/staging/comedi/drivers/serial2002.c
+++ b/drivers/staging/comedi/drivers/serial2002.c
@@ -643,7 +643,7 @@ err_alloc_configs:
 
                if (result) {
                        if (devpriv->tty) {
-                               filp_close(devpriv->tty, 0);
+                               filp_close(devpriv->tty, NULL);
                                devpriv->tty = NULL;
                        }
                }
@@ -653,8 +653,8 @@ err_alloc_configs:
 
 static void serial_2002_close(struct comedi_device *dev)
 {
-       if (!IS_ERR(devpriv->tty) && (devpriv->tty != 0))
-               filp_close(devpriv->tty, 0);
+       if (!IS_ERR(devpriv->tty) && devpriv->tty)
+               filp_close(devpriv->tty, NULL);
 }
 
 static int serial2002_di_rinsn(struct comedi_device *dev,
@@ -819,7 +819,7 @@ static int serial2002_attach(struct comedi_device *dev,
        s->subdev_flags = SDF_READABLE | SDF_GROUND;
        s->n_chan = 0;
        s->maxdata = 1;
-       s->range_table = 0;
+       s->range_table = NULL;
        s->insn_read = &serial2002_ai_rinsn;
 
        /* analog output subdevice */
@@ -828,7 +828,7 @@ static int serial2002_attach(struct comedi_device *dev,
        s->subdev_flags = SDF_WRITEABLE;
        s->n_chan = 0;
        s->maxdata = 1;
-       s->range_table = 0;
+       s->range_table = NULL;
        s->insn_write = &serial2002_ao_winsn;
        s->insn_read = &serial2002_ao_rinsn;
 
@@ -838,7 +838,7 @@ static int serial2002_attach(struct comedi_device *dev,
        s->subdev_flags = SDF_READABLE | SDF_LSAMPL;
        s->n_chan = 0;
        s->maxdata = 1;
-       s->range_table = 0;
+       s->range_table = NULL;
        s->insn_read = &serial2002_ei_rinsn;
 
        return 1;