[PATCH 19/22] staging: comedi: vmk80xx: rename 'boardinfo' variables

[H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>]

For aesthetics, rename the 'boardinfo' variables to 'board'. That name
is more commonly used for the boardinfo pointer in comedi drivers.

Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
---
 drivers/staging/comedi/drivers/vmk80xx.c | 33 +++++++++++++++++---------------
 1 file changed, 18 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c
index a090668..3af075a 100644
--- a/drivers/staging/comedi/drivers/vmk80xx.c
+++ b/drivers/staging/comedi/drivers/vmk80xx.c
@@ -700,7 +700,7 @@ static int vmk80xx_alloc_usb_buffers(struct comedi_device *dev)
 
 static int vmk80xx_init_subdevices(struct comedi_device *dev)
 {
-	const struct vmk80xx_board *boardinfo = dev->board_ptr;
+	const struct vmk80xx_board *board = dev->board_ptr;
 	struct vmk80xx_private *devpriv = dev->private;
 	struct comedi_subdevice *s;
 	int n_subd;
@@ -722,18 +722,18 @@ static int vmk80xx_init_subdevices(struct comedi_device *dev)
 	s = &dev->subdevices[0];
 	s->type		= COMEDI_SUBD_AI;
 	s->subdev_flags	= SDF_READABLE | SDF_GROUND;
-	s->n_chan	= boardinfo->ai_nchans;
-	s->maxdata	= boardinfo->ai_maxdata;
-	s->range_table	= boardinfo->range;
+	s->n_chan	= board->ai_nchans;
+	s->maxdata	= board->ai_maxdata;
+	s->range_table	= board->range;
 	s->insn_read	= vmk80xx_ai_insn_read;
 
 	/* Analog output subdevice */
 	s = &dev->subdevices[1];
 	s->type		= COMEDI_SUBD_AO;
 	s->subdev_flags	= SDF_WRITABLE | SDF_GROUND;
-	s->n_chan	= boardinfo->ao_nchans;
+	s->n_chan	= board->ao_nchans;
 	s->maxdata	= 0x00ff;
-	s->range_table	= boardinfo->range;
+	s->range_table	= board->range;
 	s->insn_write	= vmk80xx_ao_insn_write;
 	if (devpriv->model == VMK8061_MODEL) {
 		s->subdev_flags	|= SDF_READABLE;
@@ -744,7 +744,7 @@ static int vmk80xx_init_subdevices(struct comedi_device *dev)
 	s = &dev->subdevices[2];
 	s->type		= COMEDI_SUBD_DI;
 	s->subdev_flags	= SDF_READABLE;
-	s->n_chan	= boardinfo->di_nchans;
+	s->n_chan	= board->di_nchans;
 	s->maxdata	= 1;
 	s->range_table	= &range_digital;
 	s->insn_bits	= vmk80xx_di_insn_bits;
@@ -763,7 +763,7 @@ static int vmk80xx_init_subdevices(struct comedi_device *dev)
 	s->type		= COMEDI_SUBD_COUNTER;
 	s->subdev_flags	= SDF_READABLE;
 	s->n_chan	= 2;
-	s->maxdata	= boardinfo->cnt_maxdata;
+	s->maxdata	= board->cnt_maxdata;
 	s->insn_read	= vmk80xx_cnt_insn_read;
 	s->insn_config	= vmk80xx_cnt_insn_config;
 	if (devpriv->model == VMK8055_MODEL) {
@@ -776,8 +776,8 @@ static int vmk80xx_init_subdevices(struct comedi_device *dev)
 		s = &dev->subdevices[5];
 		s->type		= COMEDI_SUBD_PWM;
 		s->subdev_flags	= SDF_READABLE | SDF_WRITABLE;
-		s->n_chan	= boardinfo->pwm_nchans;
-		s->maxdata	= boardinfo->pwm_maxdata;
+		s->n_chan	= board->pwm_nchans;
+		s->maxdata	= board->pwm_maxdata;
 		s->insn_read	= vmk80xx_pwm_insn_read;
 		s->insn_write	= vmk80xx_pwm_insn_write;
 	}
@@ -791,19 +791,22 @@ static int vmk80xx_auto_attach(struct comedi_device *dev,
 			       unsigned long context)
 {
 	struct usb_interface *intf = comedi_to_usb_interface(dev);
-	const struct vmk80xx_board *boardinfo;
+	const struct vmk80xx_board *board = NULL;
 	struct vmk80xx_private *devpriv;
 	int ret;
 
-	boardinfo = &vmk80xx_boardinfo[context];
-	dev->board_ptr = boardinfo;
-	dev->board_name = boardinfo->name;
+	if (context < ARRAY_SIZE(vmk80xx_boardinfo))
+		board = &vmk80xx_boardinfo[context];
+	if (!board)
+		return -ENODEV;
+	dev->board_ptr = board;
+	dev->board_name = board->name;
 
 	devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
 	if (!devpriv)
 		return -ENOMEM;
 
-	devpriv->model = boardinfo->model;
+	devpriv->model = board->model;
 
 	ret = vmk80xx_find_usb_endpoints(dev);
 	if (ret)
-- 
2.4.3

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