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yaml
---
r: 103520
b: refs/heads/master
c: 0ea5224
h: refs/heads/master
v: v3
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Allan Stephens authored and David S. Miller committed Jul 15, 2008
1 parent d32b69c commit b610177
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Showing 4 changed files with 21 additions and 37 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 3cb29b1bca00736e984ea8ab368af40394a1bca0
refs/heads/master: 0ea522416b658dedfc9d565b331624a55a6260ad
13 changes: 3 additions & 10 deletions trunk/include/net/tipc/tipc_port.h
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down Expand Up @@ -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);

Expand Down
28 changes: 10 additions & 18 deletions trunk/net/tipc/port.c
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down Expand Up @@ -213,16 +213,13 @@ void tipc_port_recv_mcast(struct sk_buff *buf, struct port_list *dp)
/**
* 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;
Expand All @@ -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;
Expand All @@ -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)
Expand Down Expand Up @@ -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;
Expand All @@ -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;
}
Expand Down
15 changes: 7 additions & 8 deletions trunk/net/tipc/socket.c
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down Expand Up @@ -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 */

Expand Down Expand Up @@ -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;
}
Expand All @@ -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);
Expand Down

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