Commit 7c346c2c authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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staging: comedi: usbduxfast: remove 'attached' from private data 



The subdevice function pointers are only setup if the device is
attached. The 'attached' flag in the private data is unnecessary.
Remove it.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 50a4cf9b

drivers/staging/comedi/drivers/usbduxfast.c

+0 −9
Original line number Diff line number Diff line
@@ -148,7 +148,6 @@ static const struct comedi_lrange range_usbduxfast_ai_range = { 
 * one sub device just now: A/D

 */

struct usbduxfast_private {

	int attached;		/* is attached? */

	struct usb_device *usb;	/* pointer to the usb-device */

	struct urb *urbIn;	/* BULK-transfer handling: urb */

	int8_t *transfer_buffer;
@@ -276,11 +275,6 @@ static void usbduxfast_ai_interrupt(struct urb *urb) 
		return;

	}



	if (unlikely(!devpriv->attached)) {

		/* no comedi device there */

		return;

	}



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

	switch (urb->status) {

	case 0:
@@ -1246,8 +1240,6 @@ static int usbduxfast_attach_common(struct comedi_device *dev) 
	s->maxdata	= 0x1000;

	s->range_table	= &range_usbduxfast_ai_range;



	devpriv->attached = 1;



	up(&devpriv->sem);



	return 0;
@@ -1343,7 +1335,6 @@ static void usbduxfast_detach(struct comedi_device *dev) 


	down(&devpriv->sem);



	devpriv->attached = 0;

	devpriv->comedidev = NULL;



	if (devpriv->intf)