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-rw-r--r--include/net/tipc/tipc_port.h13
-rw-r--r--net/tipc/port.c28
-rw-r--r--net/tipc/socket.c15
3 files changed, 20 insertions, 36 deletions
diff --git a/include/net/tipc/tipc_port.h b/include/net/tipc/tipc_port.h
index 9923e41a8215..c54917cbfa48 100644
--- a/include/net/tipc/tipc_port.h
+++ b/include/net/tipc/tipc_port.h
@@ -2,7 +2,7 @@
* include/net/tipc/tipc_port.h: Include file for privileged access to TIPC ports
*
* Copyright (c) 1994-2007, Ericsson AB
- * Copyright (c) 2005-2007, Wind River Systems
+ * Copyright (c) 2005-2008, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -75,17 +75,10 @@ struct tipc_port {
};
-/**
- * tipc_createport_raw - create a native TIPC port and return it's reference
- *
- * Note: 'dispatcher' and 'wakeup' deliver a locked port.
- */
-
-u32 tipc_createport_raw(void *usr_handle,
+struct tipc_port *tipc_createport_raw(void *usr_handle,
u32 (*dispatcher)(struct tipc_port *, struct sk_buff *),
void (*wakeup)(struct tipc_port *),
- const u32 importance,
- struct tipc_port **tp_ptr);
+ const u32 importance);
int tipc_reject_msg(struct sk_buff *buf, u32 err);
diff --git a/net/tipc/port.c b/net/tipc/port.c
index 2e0cff408ff9..ffba1e7f06d2 100644
--- a/net/tipc/port.c
+++ b/net/tipc/port.c
@@ -2,7 +2,7 @@
* net/tipc/port.c: TIPC port code
*
* Copyright (c) 1992-2007, Ericsson AB
- * Copyright (c) 2004-2007, Wind River Systems
+ * Copyright (c) 2004-2008, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -213,16 +213,13 @@ exit:
/**
* tipc_createport_raw - create a generic TIPC port
*
- * Returns port reference, or 0 if unable to create it
- *
- * Note: The newly created port is returned in the locked state.
+ * Returns pointer to (locked) TIPC port, or NULL if unable to create it
*/
-u32 tipc_createport_raw(void *usr_handle,
+struct tipc_port *tipc_createport_raw(void *usr_handle,
u32 (*dispatcher)(struct tipc_port *, struct sk_buff *),
void (*wakeup)(struct tipc_port *),
- const u32 importance,
- struct tipc_port **tp_ptr)
+ const u32 importance)
{
struct port *p_ptr;
struct tipc_msg *msg;
@@ -231,13 +228,13 @@ u32 tipc_createport_raw(void *usr_handle,
p_ptr = kzalloc(sizeof(*p_ptr), GFP_ATOMIC);
if (!p_ptr) {
warn("Port creation failed, no memory\n");
- return 0;
+ return NULL;
}
ref = tipc_ref_acquire(p_ptr, &p_ptr->publ.lock);
if (!ref) {
warn("Port creation failed, reference table exhausted\n");
kfree(p_ptr);
- return 0;
+ return NULL;
}
p_ptr->publ.usr_handle = usr_handle;
@@ -260,8 +257,7 @@ u32 tipc_createport_raw(void *usr_handle,
INIT_LIST_HEAD(&p_ptr->port_list);
list_add_tail(&p_ptr->port_list, &ports);
spin_unlock_bh(&tipc_port_list_lock);
- *tp_ptr = &p_ptr->publ;
- return ref;
+ return &(p_ptr->publ);
}
int tipc_deleteport(u32 ref)
@@ -1044,21 +1040,18 @@ int tipc_createport(u32 user_ref,
{
struct user_port *up_ptr;
struct port *p_ptr;
- struct tipc_port *tp_ptr;
- u32 ref;
up_ptr = kmalloc(sizeof(*up_ptr), GFP_ATOMIC);
if (!up_ptr) {
warn("Port creation failed, no memory\n");
return -ENOMEM;
}
- ref = tipc_createport_raw(NULL, port_dispatcher, port_wakeup,
- importance, &tp_ptr);
- if (ref == 0) {
+ p_ptr = (struct port *)tipc_createport_raw(NULL, port_dispatcher,
+ port_wakeup, importance);
+ if (!p_ptr) {
kfree(up_ptr);
return -ENOMEM;
}
- p_ptr = (struct port *)tp_ptr;
p_ptr->user_port = up_ptr;
up_ptr->user_ref = user_ref;
@@ -1074,7 +1067,6 @@ int tipc_createport(u32 user_ref,
INIT_LIST_HEAD(&up_ptr->uport_list);
tipc_reg_add_port(up_ptr);
*portref = p_ptr->publ.ref;
- dbg(" tipc_createport: %x with ref %u\n", p_ptr, p_ptr->publ.ref);
tipc_port_unlock(p_ptr);
return TIPC_OK;
}
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 38f48795b40e..9c362c5759ba 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -2,7 +2,7 @@
* net/tipc/socket.c: TIPC socket API
*
* Copyright (c) 2001-2007, Ericsson AB
- * Copyright (c) 2004-2007, Wind River Systems
+ * Copyright (c) 2004-2008, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -189,7 +189,6 @@ static int tipc_create(struct net *net, struct socket *sock, int protocol)
socket_state state;
struct sock *sk;
struct tipc_port *tp_ptr;
- u32 portref;
/* Validate arguments */
@@ -225,9 +224,9 @@ static int tipc_create(struct net *net, struct socket *sock, int protocol)
/* Allocate TIPC port for socket to use */
- portref = tipc_createport_raw(sk, &dispatch, &wakeupdispatch,
- TIPC_LOW_IMPORTANCE, &tp_ptr);
- if (unlikely(portref == 0)) {
+ tp_ptr = tipc_createport_raw(sk, &dispatch, &wakeupdispatch,
+ TIPC_LOW_IMPORTANCE);
+ if (unlikely(!tp_ptr)) {
sk_free(sk);
return -ENOMEM;
}
@@ -240,14 +239,14 @@ static int tipc_create(struct net *net, struct socket *sock, int protocol)
sock_init_data(sock, sk);
sk->sk_rcvtimeo = msecs_to_jiffies(CONN_TIMEOUT_DEFAULT);
sk->sk_backlog_rcv = backlog_rcv;
- tipc_sk(sk)->p = tipc_get_port(portref);
+ tipc_sk(sk)->p = tp_ptr;
spin_unlock_bh(tp_ptr->lock);
if (sock->state == SS_READY) {
- tipc_set_portunreturnable(portref, 1);
+ tipc_set_portunreturnable(tp_ptr->ref, 1);
if (sock->type == SOCK_DGRAM)
- tipc_set_portunreliable(portref, 1);
+ tipc_set_portunreliable(tp_ptr->ref, 1);
}
atomic_inc(&tipc_user_count);