evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

staging: comedi: usbduxfast: remove 'attached' from private data

Browse source 
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: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2013-05-14 13:32:32 -07:00 • committed by Greg Kroah-Hartman
parent 50a4cf9b2c
commit 7c346c2ce8
1 changed files with 0 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
drivers/staging/comedi/drivers/usbduxfast.c
View file

@ -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)