diff options
Diffstat (limited to 'net/tipc/socket.c')
| -rw-r--r-- | net/tipc/socket.c | 78 |
1 files changed, 41 insertions, 37 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 3b61851bb92..c8341d1f995 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -239,7 +239,6 @@ static int tipc_sk_create(struct net *net, struct socket *sock, int protocol, int tipc_sock_create_local(int type, struct socket **res) { int rc; - struct sock *sk; rc = sock_create_lite(AF_TIPC, type, 0, res); if (rc < 0) { @@ -248,8 +247,6 @@ int tipc_sock_create_local(int type, struct socket **res) } tipc_sk_create(&init_net, *res, 0, 1); - sk = (*res)->sk; - return 0; } @@ -354,7 +351,7 @@ static int release(struct socket *sock) * Delete TIPC port; this ensures no more messages are queued * (also disconnects an active connection & sends a 'FIN-' to peer) */ - res = tipc_deleteport(tport->ref); + res = tipc_deleteport(tport); /* Discard any remaining (connection-based) messages in receive queue */ __skb_queue_purge(&sk->sk_receive_queue); @@ -386,30 +383,46 @@ static int release(struct socket *sock) */ static int bind(struct socket *sock, struct sockaddr *uaddr, int uaddr_len) { + struct sock *sk = sock->sk; struct sockaddr_tipc *addr = (struct sockaddr_tipc *)uaddr; - u32 portref = tipc_sk_port(sock->sk)->ref; + struct tipc_port *tport = tipc_sk_port(sock->sk); + int res = -EINVAL; - if (unlikely(!uaddr_len)) - return tipc_withdraw(portref, 0, NULL); + lock_sock(sk); + if (unlikely(!uaddr_len)) { + res = tipc_withdraw(tport, 0, NULL); + goto exit; + } - if (uaddr_len < sizeof(struct sockaddr_tipc)) - return -EINVAL; - if (addr->family != AF_TIPC) - return -EAFNOSUPPORT; + if (uaddr_len < sizeof(struct sockaddr_tipc)) { + res = -EINVAL; + goto exit; + } + if (addr->family != AF_TIPC) { + res = -EAFNOSUPPORT; + goto exit; + } if (addr->addrtype == TIPC_ADDR_NAME) addr->addr.nameseq.upper = addr->addr.nameseq.lower; - else if (addr->addrtype != TIPC_ADDR_NAMESEQ) - return -EAFNOSUPPORT; + else if (addr->addrtype != TIPC_ADDR_NAMESEQ) { + res = -EAFNOSUPPORT; + goto exit; + } if ((addr->addr.nameseq.type < TIPC_RESERVED_TYPES) && (addr->addr.nameseq.type != TIPC_TOP_SRV) && - (addr->addr.nameseq.type != TIPC_CFG_SRV)) - return -EACCES; + (addr->addr.nameseq.type != TIPC_CFG_SRV)) { + res = -EACCES; + goto exit; + } - return (addr->scope > 0) ? - tipc_publish(portref, addr->scope, &addr->addr.nameseq) : - tipc_withdraw(portref, -addr->scope, &addr->addr.nameseq); + res = (addr->scope > 0) ? + tipc_publish(tport, addr->scope, &addr->addr.nameseq) : + tipc_withdraw(tport, -addr->scope, &addr->addr.nameseq); +exit: + release_sock(sk); + return res; } /** @@ -754,16 +767,11 @@ static int send_stream(struct kiocb *iocb, struct socket *sock, /* Handle special cases where there is no connection */ if (unlikely(sock->state != SS_CONNECTED)) { - if (sock->state == SS_UNCONNECTED) { + if (sock->state == SS_UNCONNECTED) res = send_packet(NULL, sock, m, total_len); - goto exit; - } else if (sock->state == SS_DISCONNECTING) { - res = -EPIPE; - goto exit; - } else { - res = -ENOTCONN; - goto exit; - } + else + res = sock->state == SS_DISCONNECTING ? -EPIPE : -ENOTCONN; + goto exit; } if (unlikely(m->msg_name)) { @@ -1311,14 +1319,12 @@ static u32 filter_connect(struct tipc_sock *tsock, struct sk_buff **buf) static unsigned int rcvbuf_limit(struct sock *sk, struct sk_buff *buf) { struct tipc_msg *msg = buf_msg(buf); - unsigned int limit; if (msg_connected(msg)) - limit = sysctl_tipc_rmem[2]; - else - limit = sk->sk_rcvbuf >> TIPC_CRITICAL_IMPORTANCE << - msg_importance(msg); - return limit; + return sysctl_tipc_rmem[2]; + + return sk->sk_rcvbuf >> TIPC_CRITICAL_IMPORTANCE << + msg_importance(msg); } /** @@ -1514,14 +1520,12 @@ static int connect(struct socket *sock, struct sockaddr *dest, int destlen, sock->state != SS_CONNECTING, timeout ? (long)msecs_to_jiffies(timeout) : MAX_SCHEDULE_TIMEOUT); - lock_sock(sk); if (res <= 0) { if (res == 0) res = -ETIMEDOUT; - else - ; /* leave "res" unchanged */ - goto exit; + return res; } + lock_sock(sk); } if (unlikely(sock->state == SS_DISCONNECTING)) |