uwb: fix variable set but not used warnings

Fix variable set but not used warnings in UWB.

Signed-off-by: Thomas Pugliese <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/uwb/beacon.c

···
 	struct uwb_rc_evt_beacon *be;
 	struct uwb_beacon_frame *bf;
 	struct uwb_beca_e *bce;
-	unsigned long last_ts;
 
 	rc = evt->rc;
 	be = container_of(evt->notif.rceb, struct uwb_rc_evt_beacon, rceb);
···
 	mutex_lock(&bce->mutex);
 	/* purge old beacon data */
 	kfree(bce->be);
-
-	last_ts = bce->ts_jiffies;
 
 	/* Update commonly used fields */
 	bce->ts_jiffies = evt->ts_jiffies;

drivers/uwb/est.c

···
 {
 	unsigned long flags;
 	unsigned itr;
-	u16 type_event_high;
 	int result = 0;
 
 	write_lock_irqsave(&uwb_est_lock, flags);
···
 			goto out;
 	}
 	/* Find the right spot to insert it in */
-	type_event_high = type << 8 | event_high;
 	for (itr = 0; itr < uwb_est_used; itr++)
 		if (uwb_est[itr].type_event_high < type
 		    && uwb_est[itr].vendor < vendor

drivers/uwb/ie-rcv.c

···
 	int result = -EINVAL;
 	struct device *dev = &evt->rc->uwb_dev.dev;
 	struct uwb_rc_evt_ie_rcv *iercv;
-	size_t iesize;
 
 	/* Is there enough data to decode it? */
 	if (evt->notif.size < sizeof(*iercv)) {
···
 		goto error;
 	}
 	iercv = container_of(evt->notif.rceb, struct uwb_rc_evt_ie_rcv, rceb);
-	iesize = le16_to_cpu(iercv->wIELength);
 
 	dev_dbg(dev, "IE received, element ID=%d\n", iercv->IEData[0]);