sock_no_poll 891 include/net/sock.h extern unsigned int sock_no_poll(struct file *, struct socket *, sock_no_poll 186 net/bluetooth/bnep/sock.c .poll = sock_no_poll, sock_no_poll 181 net/bluetooth/cmtp/sock.c .poll = sock_no_poll, sock_no_poll 232 net/bluetooth/hidp/sock.c .poll = sock_no_poll,