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authorJon Maloy <jon.maloy@ericsson.com>2018-03-22 20:42:49 +0100
committerDavid S. Miller <davem@davemloft.net>2018-03-23 13:12:18 -0400
commit23fd3eace088ab1872ee59c19191a119ec779ac9 (patch)
tree9469f540f7bd0279b0359bff04362877bd28e27b /net/tipc/socket.c
parentb89afb116ca2830cc982624f93e888860868a84b (diff)
downloadlinux-rt-23fd3eace088ab1872ee59c19191a119ec779ac9.tar.gz
tipc: remove direct accesses to own_addr field in struct tipc_net
As a preparation to changing the addressing structure of TIPC we replace all direct accesses to the tipc_net::own_addr field with the function dedicated for this, tipc_own_addr(). There are no changes to program logics in this commit. Acked-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/socket.c')
-rw-r--r--net/tipc/socket.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 732ec894f69f..275b666f6231 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -289,10 +289,9 @@ static bool tipc_sk_type_connectionless(struct sock *sk)
static bool tsk_peer_msg(struct tipc_sock *tsk, struct tipc_msg *msg)
{
struct sock *sk = &tsk->sk;
- struct tipc_net *tn = net_generic(sock_net(sk), tipc_net_id);
+ u32 self = tipc_own_addr(sock_net(sk));
u32 peer_port = tsk_peer_port(tsk);
- u32 orig_node;
- u32 peer_node;
+ u32 orig_node, peer_node;
if (unlikely(!tipc_sk_connected(sk)))
return false;
@@ -306,10 +305,10 @@ static bool tsk_peer_msg(struct tipc_sock *tsk, struct tipc_msg *msg)
if (likely(orig_node == peer_node))
return true;
- if (!orig_node && (peer_node == tn->own_addr))
+ if (!orig_node && peer_node == self)
return true;
- if (!peer_node && (orig_node == tn->own_addr))
+ if (!peer_node && orig_node == self)
return true;
return false;
@@ -461,8 +460,8 @@ static int tipc_sk_create(struct net *net, struct socket *sock,
/* Ensure tsk is visible before we read own_addr. */
smp_mb();
- tipc_msg_init(tn->own_addr, msg, TIPC_LOW_IMPORTANCE, TIPC_NAMED_MSG,
- NAMED_H_SIZE, 0);
+ tipc_msg_init(tipc_own_addr(net), msg, TIPC_LOW_IMPORTANCE,
+ TIPC_NAMED_MSG, NAMED_H_SIZE, 0);
msg_set_origport(msg, tsk->portid);
timer_setup(&sk->sk_timer, tipc_sk_timeout, 0);
@@ -671,7 +670,6 @@ static int tipc_getname(struct socket *sock, struct sockaddr *uaddr,
struct sockaddr_tipc *addr = (struct sockaddr_tipc *)uaddr;
struct sock *sk = sock->sk;
struct tipc_sock *tsk = tipc_sk(sk);
- struct tipc_net *tn = net_generic(sock_net(sock->sk), tipc_net_id);
memset(addr, 0, sizeof(*addr));
if (peer) {
@@ -682,7 +680,7 @@ static int tipc_getname(struct socket *sock, struct sockaddr *uaddr,
addr->addr.id.node = tsk_peer_node(tsk);
} else {
addr->addr.id.ref = tsk->portid;
- addr->addr.id.node = tn->own_addr;
+ addr->addr.id.node = tipc_own_addr(sock_net(sk));
}
addr->addrtype = TIPC_ADDR_ID;
@@ -2667,8 +2665,8 @@ void tipc_sk_reinit(struct net *net)
while ((tsk = rhashtable_walk_next(&iter)) && !IS_ERR(tsk)) {
spin_lock_bh(&tsk->sk.sk_lock.slock);
msg = &tsk->phdr;
- msg_set_prevnode(msg, tn->own_addr);
- msg_set_orignode(msg, tn->own_addr);
+ msg_set_prevnode(msg, tipc_own_addr(net));
+ msg_set_orignode(msg, tipc_own_addr(net));
spin_unlock_bh(&tsk->sk.sk_lock.slock);
}
@@ -3167,11 +3165,10 @@ static int __tipc_nl_add_sk_info(struct sk_buff *skb, struct tipc_sock
*tsk)
{
struct net *net = sock_net(skb->sk);
- struct tipc_net *tn = tipc_net(net);
struct sock *sk = &tsk->sk;
if (nla_put_u32(skb, TIPC_NLA_SOCK_REF, tsk->portid) ||
- nla_put_u32(skb, TIPC_NLA_SOCK_ADDR, tn->own_addr))
+ nla_put_u32(skb, TIPC_NLA_SOCK_ADDR, tipc_own_addr(net)))
return -EMSGSIZE;
if (tipc_sk_connected(sk)) {