tipc: Eliminate obsolete port's "congested_link" field

Eliminate a field of the TIPC port structure that is populated,
but never referenced.

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 0 insertions, 5 deletions

diff --git a/net/tipc/link.c b/net/tipc/link.c
index c76e82e5f982..0b86f6aef3d8 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -561,7 +561,6 @@ static int link_schedule_port(struct link *l_ptr, u32 origport, u32 sz)
                         goto exit;
                 if (!list_empty(&p_ptr->wait_list))
                         goto exit;
-                p_ptr->congested_link = l_ptr;
                 p_ptr->publ.congested = 1;
                 p_ptr->waiting_pkts = 1 + ((sz - 1) / link_max_pkt(l_ptr));
                 list_add_tail(&p_ptr->wait_list, &l_ptr->waiting_ports);
@@ -592,7 +591,6 @@ void tipc_link_wakeup_ports(struct link *l_ptr, int all)
                 if (win <= 0)
                         break;
                 list_del_init(&p_ptr->wait_list);
-                p_ptr->congested_link = NULL;
                 spin_lock_bh(p_ptr->publ.lock);
                 p_ptr->publ.congested = 0;
                 p_ptr->wakeup(&p_ptr->publ);
diff --git a/net/tipc/port.c b/net/tipc/port.c
index e70d27ea6578..c703ecbe09d7 100644
--- a/net/tipc/port.c
+++ b/net/tipc/port.c
@@ -247,7 +247,6 @@ struct tipc_port *tipc_createport_raw(void *usr_handle,
         p_ptr->sent = 1;
         INIT_LIST_HEAD(&p_ptr->wait_list);
         INIT_LIST_HEAD(&p_ptr->subscription.nodesub_list);
-        p_ptr->congested_link = NULL;
         p_ptr->dispatcher = dispatcher;
         p_ptr->wakeup = wakeup;
         p_ptr->user_port = NULL;
diff --git a/net/tipc/port.h b/net/tipc/port.h
index ff31ee4a1dc3..8d1652aab298 100644
--- a/net/tipc/port.h
+++ b/net/tipc/port.h
@@ -75,7 +75,6 @@ struct user_port {
  * @wakeup: ptr to routine to call when port is no longer congested
  * @user_port: ptr to user port associated with port (if any)
  * @wait_list: adjacent ports in list of ports waiting on link congestion
- * @congested_link: ptr to congested link port is waiting on
  * @waiting_pkts:
  * @sent:
  * @acked:
@@ -95,7 +94,6 @@ struct port {
         void (*wakeup)(struct tipc_port *);
         struct user_port *user_port;
         struct list_head wait_list;
-        struct link *congested_link;
         u32 waiting_pkts;
         u32 sent;
         u32 acked;