diff options
| -rw-r--r-- | net/llc/af_llc.c | 65 |
1 files changed, 27 insertions, 38 deletions
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index 436c8db67f55..95444f227510 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -37,10 +37,10 @@ static u16 llc_ui_sap_link_no_max[256]; static struct sockaddr_llc llc_ui_addrnull; static struct proto_ops llc_ui_ops; -static int llc_ui_wait_for_conn(struct sock *sk, int timeout); -static int llc_ui_wait_for_disc(struct sock *sk, int timeout); -static int llc_ui_wait_for_data(struct sock *sk, int timeout); -static int llc_ui_wait_for_busy_core(struct sock *sk, int timeout); +static int llc_ui_wait_for_conn(struct sock *sk, long timeout); +static int llc_ui_wait_for_disc(struct sock *sk, long timeout); +static int llc_ui_wait_for_data(struct sock *sk, long timeout); +static int llc_ui_wait_for_busy_core(struct sock *sk, long timeout); #if 0 #define dprintk(args...) printk(KERN_DEBUG args) @@ -117,7 +117,7 @@ static int llc_ui_send_data(struct sock* sk, struct sk_buff *skb, int noblock) int rc = 0; if (llc_data_accept_state(llc->state) || llc->p_flag) { - int timeout = sock_sndtimeo(sk, noblock); + long timeout = sock_sndtimeo(sk, noblock); rc = llc_ui_wait_for_busy_core(sk, timeout); } @@ -428,7 +428,7 @@ static int llc_ui_connect(struct socket *sock, struct sockaddr *uaddr, } if (sk->sk_state == TCP_SYN_SENT) { - const int timeo = sock_sndtimeo(sk, flags & O_NONBLOCK); + const long timeo = sock_sndtimeo(sk, flags & O_NONBLOCK); if (!timeo || !llc_ui_wait_for_conn(sk, timeo)) goto out; @@ -488,16 +488,15 @@ out: return rc; } -static int llc_ui_wait_for_disc(struct sock *sk, int timeout) +static int llc_ui_wait_for_disc(struct sock *sk, long timeout) { DEFINE_WAIT(wait); int rc = 0; - prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); - while (sk->sk_state != TCP_CLOSE) { - release_sock(sk); - timeout = schedule_timeout(timeout); - lock_sock(sk); + while (1) { + prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); + if (sk_wait_event(sk, &timeout, sk->sk_state == TCP_CLOSE)) + break; rc = -ERESTARTSYS; if (signal_pending(current)) break; @@ -505,44 +504,37 @@ static int llc_ui_wait_for_disc(struct sock *sk, int timeout) if (!timeout) break; rc = 0; - prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); } finish_wait(sk->sk_sleep, &wait); return rc; } -static int llc_ui_wait_for_conn(struct sock *sk, int timeout) +static int llc_ui_wait_for_conn(struct sock *sk, long timeout) { DEFINE_WAIT(wait); - prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); - - while (sk->sk_state == TCP_SYN_SENT) { - release_sock(sk); - timeout = schedule_timeout(timeout); - lock_sock(sk); + while (1) { + prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); + if (sk_wait_event(sk, &timeout, sk->sk_state != TCP_SYN_SENT)) + break; if (signal_pending(current) || !timeout) break; - prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); } finish_wait(sk->sk_sleep, &wait); return timeout; } -static int llc_ui_wait_for_data(struct sock *sk, int timeout) +static int llc_ui_wait_for_data(struct sock *sk, long timeout) { DEFINE_WAIT(wait); int rc = 0; - for (;;) { + while (1) { prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); - if (sk->sk_shutdown & RCV_SHUTDOWN) - break; - if (!skb_queue_empty(&sk->sk_receive_queue)) + if (sk_wait_event(sk, &timeout, + (sk->sk_shutdown & RCV_SHUTDOWN) || + (!skb_queue_empty(&sk->sk_receive_queue)))) break; - release_sock(sk); - timeout = schedule_timeout(timeout); - lock_sock(sk); rc = -ERESTARTSYS; if (signal_pending(current)) break; @@ -555,23 +547,20 @@ static int llc_ui_wait_for_data(struct sock *sk, int timeout) return rc; } -static int llc_ui_wait_for_busy_core(struct sock *sk, int timeout) +static int llc_ui_wait_for_busy_core(struct sock *sk, long timeout) { DEFINE_WAIT(wait); struct llc_sock *llc = llc_sk(sk); int rc; - for (;;) { + while (1) { prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); - rc = -ENOTCONN; - if (sk->sk_shutdown & RCV_SHUTDOWN) - break; rc = 0; - if (!llc_data_accept_state(llc->state) && !llc->p_flag) + if (sk_wait_event(sk, &timeout, + (sk->sk_shutdown & RCV_SHUTDOWN) || + (!llc_data_accept_state(llc->state) && + !llc->p_flag))) break; - release_sock(sk); - timeout = schedule_timeout(timeout); - lock_sock(sk); rc = -ERESTARTSYS; if (signal_pending(current)) break; |