rfcomm_mutex 47 net/bluetooth/rfcomm/core.c static DEFINE_MUTEX(rfcomm_mutex); rfcomm_mutex 48 net/bluetooth/rfcomm/core.c #define rfcomm_lock() mutex_lock(&rfcomm_mutex) rfcomm_mutex 49 net/bluetooth/rfcomm/core.c #define rfcomm_unlock() mutex_unlock(&rfcomm_mutex)