diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-01-27 05:44:53 -0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-01-27 05:44:53 -0800 |
commit | cc11f372e9371ec3a3dad02396dbe0a55eec0b8f (patch) | |
tree | fd22bdac975ee61053e787ad96c912fddc485370 /net/tipc/port.c | |
parent | 5b4af8b6397c2da6e3c05893d974b6559441901d (diff) | |
parent | 77d143de75812596a58d126606f42d1214e09dde (diff) |
Merge branch 'master' into staging-next
We need the network changes in staging-next in order to be able to fix
up the rtl8821ae driver to build properly.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/tipc/port.c')
-rw-r--r-- | net/tipc/port.c | 54 |
1 files changed, 18 insertions, 36 deletions
diff --git a/net/tipc/port.c b/net/tipc/port.c index c081a763230..b742b265452 100644 --- a/net/tipc/port.c +++ b/net/tipc/port.c @@ -251,18 +251,15 @@ struct tipc_port *tipc_createport(struct sock *sk, return p_ptr; } -int tipc_deleteport(u32 ref) +int tipc_deleteport(struct tipc_port *p_ptr) { - struct tipc_port *p_ptr; struct sk_buff *buf = NULL; - tipc_withdraw(ref, 0, NULL); - p_ptr = tipc_port_lock(ref); - if (!p_ptr) - return -EINVAL; + tipc_withdraw(p_ptr, 0, NULL); - tipc_ref_discard(ref); - tipc_port_unlock(p_ptr); + spin_lock_bh(p_ptr->lock); + tipc_ref_discard(p_ptr->ref); + spin_unlock_bh(p_ptr->lock); k_cancel_timer(&p_ptr->timer); if (p_ptr->connected) { @@ -704,47 +701,36 @@ int tipc_set_portimportance(u32 ref, unsigned int imp) } -int tipc_publish(u32 ref, unsigned int scope, struct tipc_name_seq const *seq) +int tipc_publish(struct tipc_port *p_ptr, unsigned int scope, + struct tipc_name_seq const *seq) { - struct tipc_port *p_ptr; struct publication *publ; u32 key; - int res = -EINVAL; - p_ptr = tipc_port_lock(ref); - if (!p_ptr) + if (p_ptr->connected) return -EINVAL; + key = p_ptr->ref + p_ptr->pub_count + 1; + if (key == p_ptr->ref) + return -EADDRINUSE; - if (p_ptr->connected) - goto exit; - key = ref + p_ptr->pub_count + 1; - if (key == ref) { - res = -EADDRINUSE; - goto exit; - } publ = tipc_nametbl_publish(seq->type, seq->lower, seq->upper, scope, p_ptr->ref, key); if (publ) { list_add(&publ->pport_list, &p_ptr->publications); p_ptr->pub_count++; p_ptr->published = 1; - res = 0; + return 0; } -exit: - tipc_port_unlock(p_ptr); - return res; + return -EINVAL; } -int tipc_withdraw(u32 ref, unsigned int scope, struct tipc_name_seq const *seq) +int tipc_withdraw(struct tipc_port *p_ptr, unsigned int scope, + struct tipc_name_seq const *seq) { - struct tipc_port *p_ptr; struct publication *publ; struct publication *tpubl; int res = -EINVAL; - p_ptr = tipc_port_lock(ref); - if (!p_ptr) - return -EINVAL; if (!seq) { list_for_each_entry_safe(publ, tpubl, &p_ptr->publications, pport_list) { @@ -771,7 +757,6 @@ int tipc_withdraw(u32 ref, unsigned int scope, struct tipc_name_seq const *seq) } if (list_empty(&p_ptr->publications)) p_ptr->published = 0; - tipc_port_unlock(p_ptr); return res; } @@ -832,17 +817,14 @@ exit: */ int __tipc_disconnect(struct tipc_port *tp_ptr) { - int res; - if (tp_ptr->connected) { tp_ptr->connected = 0; /* let timer expire on it's own to avoid deadlock! */ tipc_nodesub_unsubscribe(&tp_ptr->subscription); - res = 0; - } else { - res = -ENOTCONN; + return 0; } - return res; + + return -ENOTCONN; } /* |