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Diffstat (limited to 'net/tipc/port.c')
-rw-r--r--net/tipc/port.c28
1 files changed, 10 insertions, 18 deletions
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;
}