X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=net%2Ftipc%2Fport.c;h=e70d27ea6578a3138c34761e5bba9414a2bd6af5;hb=7a9787e1eba95a166265e6a260cf30af04ef0a99;hp=2e0cff408ff94ac1915ac4d9683a8228df5bbae0;hpb=788c0a53164c05c5ccdb1472474372b72ba74644;p=linux-2.6-omap-h63xx.git diff --git a/net/tipc/port.c b/net/tipc/port.c index 2e0cff408ff..e70d27ea657 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) @@ -295,7 +291,7 @@ int tipc_deleteport(u32 ref) kfree(p_ptr); dbg("Deleted port %u\n", ref); tipc_net_route_msg(buf); - return TIPC_OK; + return 0; } /** @@ -340,7 +336,7 @@ int tipc_portunreliable(u32 ref, unsigned int *isunreliable) return -EINVAL; *isunreliable = port_unreliable(p_ptr); tipc_port_unlock(p_ptr); - return TIPC_OK; + return 0; } int tipc_set_portunreliable(u32 ref, unsigned int isunreliable) @@ -352,7 +348,7 @@ int tipc_set_portunreliable(u32 ref, unsigned int isunreliable) return -EINVAL; msg_set_src_droppable(&p_ptr->publ.phdr, (isunreliable != 0)); tipc_port_unlock(p_ptr); - return TIPC_OK; + return 0; } static int port_unreturnable(struct port *p_ptr) @@ -369,7 +365,7 @@ int tipc_portunreturnable(u32 ref, unsigned int *isunrejectable) return -EINVAL; *isunrejectable = port_unreturnable(p_ptr); tipc_port_unlock(p_ptr); - return TIPC_OK; + return 0; } int tipc_set_portunreturnable(u32 ref, unsigned int isunrejectable) @@ -381,7 +377,7 @@ int tipc_set_portunreturnable(u32 ref, unsigned int isunrejectable) return -EINVAL; msg_set_dest_droppable(&p_ptr->publ.phdr, (isunrejectable != 0)); tipc_port_unlock(p_ptr); - return TIPC_OK; + return 0; } /* @@ -967,7 +963,7 @@ static u32 port_dispatcher(struct tipc_port *dummy, struct sk_buff *buf) tipc_k_signal((Handler)port_dispatcher_sigh, 0); } spin_unlock_bh(&queue_lock); - return TIPC_OK; + return 0; } /* @@ -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; @@ -1074,16 +1067,15 @@ 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; + return 0; } int tipc_ownidentity(u32 ref, struct tipc_portid *id) { id->ref = ref; id->node = tipc_own_addr; - return TIPC_OK; + return 0; } int tipc_portimportance(u32 ref, unsigned int *importance) @@ -1095,7 +1087,7 @@ int tipc_portimportance(u32 ref, unsigned int *importance) return -EINVAL; *importance = (unsigned int)msg_importance(&p_ptr->publ.phdr); tipc_port_unlock(p_ptr); - return TIPC_OK; + return 0; } int tipc_set_portimportance(u32 ref, unsigned int imp) @@ -1110,7 +1102,7 @@ int tipc_set_portimportance(u32 ref, unsigned int imp) return -EINVAL; msg_set_importance(&p_ptr->publ.phdr, (u32)imp); tipc_port_unlock(p_ptr); - return TIPC_OK; + return 0; } @@ -1145,7 +1137,7 @@ int tipc_publish(u32 ref, unsigned int scope, struct tipc_name_seq const *seq) list_add(&publ->pport_list, &p_ptr->publications); p_ptr->pub_count++; p_ptr->publ.published = 1; - res = TIPC_OK; + res = 0; } exit: tipc_port_unlock(p_ptr); @@ -1168,7 +1160,7 @@ int tipc_withdraw(u32 ref, unsigned int scope, struct tipc_name_seq const *seq) tipc_nametbl_withdraw(publ->type, publ->lower, publ->ref, publ->key); } - res = TIPC_OK; + res = 0; } else { list_for_each_entry_safe(publ, tpubl, &p_ptr->publications, pport_list) { @@ -1182,7 +1174,7 @@ int tipc_withdraw(u32 ref, unsigned int scope, struct tipc_name_seq const *seq) break; tipc_nametbl_withdraw(publ->type, publ->lower, publ->ref, publ->key); - res = TIPC_OK; + res = 0; break; } } @@ -1226,7 +1218,7 @@ int tipc_connect2port(u32 ref, struct tipc_portid const *peer) tipc_nodesub_subscribe(&p_ptr->subscription,peer->node, (void *)(unsigned long)ref, (net_ev_handler)port_handle_node_down); - res = TIPC_OK; + res = 0; exit: tipc_port_unlock(p_ptr); p_ptr->publ.max_pkt = tipc_link_get_max_pkt(peer->node, ref); @@ -1248,7 +1240,7 @@ int tipc_disconnect_port(struct tipc_port *tp_ptr) /* let timer expire on it's own to avoid deadlock! */ tipc_nodesub_unsubscribe( &((struct port *)tp_ptr)->subscription); - res = TIPC_OK; + res = 0; } else { res = -ENOTCONN; } @@ -1313,7 +1305,7 @@ int tipc_isconnected(u32 ref, int *isconnected) return -EINVAL; *isconnected = p_ptr->publ.connected; tipc_port_unlock(p_ptr); - return TIPC_OK; + return 0; } int tipc_peer(u32 ref, struct tipc_portid *peer) @@ -1327,7 +1319,7 @@ int tipc_peer(u32 ref, struct tipc_portid *peer) if (p_ptr->publ.connected) { peer->ref = port_peerport(p_ptr); peer->node = port_peernode(p_ptr); - res = TIPC_OK; + res = 0; } else res = -ENOTCONN; tipc_port_unlock(p_ptr);