+ /* Drop DLC lock here to avoid deadlock
+ * 1. rfcomm_dev_get will take rfcomm_dev_lock
+ * but in rfcomm_dev_add there's lock order:
+ * rfcomm_dev_lock -> dlc lock
+ * 2. rfcomm_dev_put will deadlock if it's
+ * the last reference
+ */
+ rfcomm_dlc_unlock(dlc);
+ if (rfcomm_dev_get(dev->id) == NULL) {
+ rfcomm_dlc_lock(dlc);