staging: comedi: adv_pci_dio: post increment 'subdev' in (*auto_attach)
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Wed, 18 Nov 2015 17:07:05 +0000 (10:07 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 21 Dec 2015 23:57:40 +0000 (15:57 -0800)
For aesthetics, post-increment the 'subdev' index when used to get a
comedi_subdevice pointer instead of incrementing it after the subdevice
is initialized.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/adv_pci_dio.c

index b1f966e..4d4b38c 100644 (file)
@@ -557,38 +557,34 @@ static int pci_dio_auto_attach(struct comedi_device *dev,
        subdev = 0;
        for (i = 0; i < MAX_DI_SUBDEVS; i++)
                if (board->sdi[i].chans) {
-                       s = &dev->subdevices[subdev];
+                       s = &dev->subdevices[subdev++];
                        pci_dio_add_di(dev, s, &board->sdi[i]);
-                       subdev++;
                }
 
        for (i = 0; i < MAX_DO_SUBDEVS; i++)
                if (board->sdo[i].chans) {
-                       s = &dev->subdevices[subdev];
+                       s = &dev->subdevices[subdev++];
                        pci_dio_add_do(dev, s, &board->sdo[i]);
-                       subdev++;
                }
 
        for (i = 0; i < MAX_DIO_SUBDEVG; i++)
                for (j = 0; j < board->sdio[i].regs; j++) {
-                       s = &dev->subdevices[subdev];
+                       s = &dev->subdevices[subdev++];
                        ret = subdev_8255_init(dev, s, NULL,
                                               board->sdio[i].addr +
                                               j * I8255_SIZE);
                        if (ret)
                                return ret;
-                       subdev++;
                }
 
        if (board->boardid.chans) {
-               s = &dev->subdevices[subdev];
+               s = &dev->subdevices[subdev++];
                s->type = COMEDI_SUBD_DI;
                pci_dio_add_di(dev, s, &board->boardid);
-               subdev++;
        }
 
        if (board->timer_regbase) {
-               s = &dev->subdevices[subdev];
+               s = &dev->subdevices[subdev++];
 
                dev->pacer = comedi_8254_init(dev->iobase +
                                              board->timer_regbase,
@@ -597,8 +593,6 @@ static int pci_dio_auto_attach(struct comedi_device *dev,
                        return -ENOMEM;
 
                comedi_8254_subdevice_init(s, dev->pacer);
-
-               subdev++;
        }
 
        pci_dio_reset(dev);