rc->rsvs_lock may be taken in a timer so lock it with spin_lock_bh().
Signed-off-by: David Vrabel <david.vrabel@csr.com>
        } else
                dev_err(&rc->uwb_dev.dev, "SET-DRP-IE: timeout\n");
 
-       spin_lock(&rc->rsvs_lock);
+       spin_lock_bh(&rc->rsvs_lock);
        if (rc->set_drp_ie_pending > 1) {
                rc->set_drp_ie_pending = 0;
                uwb_rsv_queue_update(rc);       
        } else {
                rc->set_drp_ie_pending = 0;     
        }
-       spin_unlock(&rc->rsvs_lock);
+       spin_unlock_bh(&rc->rsvs_lock);
 }
 
 /**
 
  */
 void uwb_rsv_sched_update(struct uwb_rc *rc)
 {
-       spin_lock(&rc->rsvs_lock);
+       spin_lock_bh(&rc->rsvs_lock);
        if (!delayed_work_pending(&rc->rsv_update_work)) {
                if (rc->set_drp_ie_pending > 0) {
                        rc->set_drp_ie_pending++;
                uwb_rsv_queue_update(rc);
        }
 unlock:
-       spin_unlock(&rc->rsvs_lock);
+       spin_unlock_bh(&rc->rsvs_lock);
 }
 
 /*