The 'ifnum' is only used during the attach of the device. Remove it
from the private data.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/usbdux.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c
index 8841944..c0c4a27 100644
--- a/drivers/staging/comedi/drivers/usbdux.c
+++ b/drivers/staging/comedi/drivers/usbdux.c
@@ -223,8 +223,6 @@ struct usbdux_private {
int16_t *insn_buffer;
/* output buffer for single DA outputs */
int16_t *out_buffer;
- /* interface number */
- int ifnum;
/* is it USB_SPEED_HIGH or not? */
short int high_speed;
/* asynchronous command is running */
@@ -1896,7 +1894,6 @@ static int usbdux_auto_attach(struct comedi_device *dev,
sema_init(&devpriv->sem, 1);
- devpriv->ifnum = intf->altsetting->desc.bInterfaceNumber;
usb_set_intfdata(intf, devpriv);
devpriv->high_speed = (usb->speed == USB_SPEED_HIGH);
@@ -1914,7 +1911,8 @@ static int usbdux_auto_attach(struct comedi_device *dev,
return ret;
/* setting to alternate setting 3: enabling iso ep and bulk ep. */
- ret = usb_set_interface(usb, devpriv->ifnum, 3);
+ ret = usb_set_interface(usb, intf->altsetting->desc.bInterfaceNumber,
+ 3);
if (ret < 0) {
dev_err(dev->class_dev,
"could not set alternate setting 3 in high speed\n");
--
1.8.3.2
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