POLL_ERR 1630 net/core/sock.c sk_wake_async(sk, SOCK_WAKE_IO, POLL_ERR); POLL_ERR 158 net/dccp/input.c sk_wake_async(sk, SOCK_WAKE_IO, POLL_ERR); POLL_ERR 1444 sound/core/control.c kill_fasync(&ctl->fasync, SIGIO, POLL_ERR);