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Commit a49b45fb authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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staging: comedi: usbdux: use 'cmd' pointer in usbduxsub_ai_isoc_irq() 



Use the 'cmd' pointer to access the chanlist instead of getting to it
using the comedi_subdevice pointer.

Remove the unneeded 'n' local variable, this is just the cmd->chanlist_len.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 33938a9d

drivers/staging/comedi/drivers/usbdux.c

+3 −4
Original line number Diff line number Diff line
@@ -264,7 +264,7 @@ static void usbduxsub_ai_isoc_irq(struct urb *urb) 
	struct comedi_subdevice *s = dev->read_subdev;

	struct usbdux_private *devpriv = dev->private;

	struct comedi_cmd *cmd = &s->async->cmd;

	int i, err, n;

	int i, err;



	/* first we test if something unusual has just happened */

	switch (urb->status) {
@@ -361,9 +361,8 @@ static void usbduxsub_ai_isoc_irq(struct urb *urb) 
		}

	}

	/* get the data from the USB bus and hand it over to comedi */

	n = s->async->cmd.chanlist_len;

	for (i = 0; i < n; i++) {

		unsigned int range = CR_RANGE(s->async->cmd.chanlist[i]);

	for (i = 0; i < cmd->chanlist_len; i++) {

		unsigned int range = CR_RANGE(cmd->chanlist[i]);

		uint16_t val = le16_to_cpu(devpriv->in_buf[i]);



		/* bipolar data is two's-complement */