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Phonet: remove redumdant pep->pipe_state 

sk->sk_state already contains the pipe state.

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rémi Denis-Courmont 2011-02-24 23:14:59 +00:00 committed by David S. Miller
parent 14ba8faebc
commit 2feb61816f
2 changed files with 6 additions and 28 deletions
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9
include/net/phonet/pep.h
View File

@ -45,9 +45,6 @@ struct pep_sock {
u8 tx_fc; /* TX flow control */
u8 init_enable; /* auto-enable at creation */
u8 aligned;
#ifdef CONFIG_PHONET_PIPECTRLR
u8 pipe_state;
#endif
};
static inline struct pep_sock *pep_sk(struct sock *sk)
@ -177,12 +174,6 @@ enum {
#define PNS_PIPE_DISABLED_IND_UTID 0x11
#define PNS_PEP_DISCONNECT_UTID 0x06
/* Used for tracking state of a pipe */
enum {
PIPE_IDLE,
PIPE_DISABLED,
PIPE_ENABLED,
};
#endif /* CONFIG_PHONET_PIPECTRLR */
#endif

25
net/phonet/pep.c
View File

@ -527,7 +527,6 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb)
#ifdef CONFIG_PHONET_PIPECTRLR
case PNS_PEP_DISCONNECT_RESP:
pn->pipe_state = PIPE_IDLE;
sk->sk_state = TCP_CLOSE;
break;
#endif
@ -539,7 +538,6 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb)
#ifdef CONFIG_PHONET_PIPECTRLR
case PNS_PEP_ENABLE_RESP:
pn->pipe_state = PIPE_ENABLED;
pipe_handler_send_ind(sk, PNS_PIPE_ENABLED_IND_UTID,
PNS_PIPE_ENABLED_IND);
@ -574,7 +572,6 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb)
#ifdef CONFIG_PHONET_PIPECTRLR
case PNS_PEP_DISABLE_RESP:
pn->pipe_state = PIPE_DISABLED;
atomic_set(&pn->tx_credits, 0);
pipe_handler_send_ind(sk, PNS_PIPE_DISABLED_IND_UTID,
PNS_PIPE_DISABLED_IND);
@ -692,7 +689,6 @@ static int pep_connresp_rcv(struct sock *sk, struct sk_buff *skb)
remote_pref_rx_fc,
sizeof(host_pref_rx_fc));
pn->pipe_state = PIPE_DISABLED;
sk->sk_state = TCP_SYN_RECV;
sk->sk_backlog_rcv = pipe_do_rcv;
sk->sk_destruct = pipe_destruct;
@ -941,21 +937,18 @@ static void pep_sock_close(struct sock *sk, long timeout)
sk_for_each_safe(sknode, p, n, &pn->ackq)
sk_del_node_init(sknode);
sk->sk_state = TCP_CLOSE;
} else if ((1 << sk->sk_state) & (TCPF_SYN_RECV|TCPF_ESTABLISHED))
} else if ((1 << sk->sk_state) & (TCPF_SYN_RECV|TCPF_ESTABLISHED)) {
#ifndef CONFIG_PHONET_PIPECTRLR
/* Forcefully remove dangling Phonet pipe */
pipe_do_remove(sk);
#ifdef CONFIG_PHONET_PIPECTRLR
if (pn->pipe_state != PIPE_IDLE) {
#else
/* send pep disconnect request */
pipe_handler_send_req(sk,
PNS_PEP_DISCONNECT_UTID, PNS_PEP_DISCONNECT_REQ,
GFP_KERNEL);
pn->pipe_state = PIPE_IDLE;
sk->sk_state = TCP_CLOSE;
}
#endif
}
ifindex = pn->ifindex;
pn->ifindex = 0;
@ -1101,10 +1094,6 @@ static int pep_setsockopt(struct sock *sk, int level, int optname,
#ifdef CONFIG_PHONET_PIPECTRLR
case PNPIPE_PIPE_HANDLE:
if (val) {
if (pn->pipe_state > PIPE_IDLE) {
err = -EFAULT;
break;
}
pn->pipe_handle = val;
break;
}
@ -1138,7 +1127,7 @@ static int pep_setsockopt(struct sock *sk, int level, int optname,
#ifdef CONFIG_PHONET_PIPECTRLR
case PNPIPE_ENABLE:
if (pn->pipe_state <= PIPE_IDLE) {
if ((1 << sk->sk_state) & ~(TCPF_SYN_RECV|TCPF_ESTABLISHED)) {
err = -ENOTCONN;
break;
}
@ -1177,9 +1166,7 @@ static int pep_getsockopt(struct sock *sk, int level, int optname,
#ifdef CONFIG_PHONET_PIPECTRLR
case PNPIPE_ENABLE:
if (pn->pipe_state <= PIPE_IDLE)
return -ENOTCONN;
val = pn->pipe_state != PIPE_DISABLED;
val = sk->sk_state == TCP_ESTABLISHED;
break;
#endif