tipc: modify struct tipc_plist to be more versatile

During multicast reception we currently use a simple linked list with
push/pop semantics to store port numbers.

We now see a need for a more generic list for storing values of type
u32. We therefore make some modifications to this list, while replacing
the prefix 'tipc_plist_' with 'u32_'. We also add a couple of new
functions which will come to use in the next commits.

Acked-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
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>

1 files changed, 4 insertions, 4 deletions

diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index f27462eeccbe..fae6a55ef1b0 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -788,7 +788,7 @@ void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq,
                        struct sk_buff_head *inputq)
 {
         struct tipc_msg *msg;
-        struct tipc_plist dports;
+        struct list_head dports;
         u32 portid;
         u32 scope = TIPC_CLUSTER_SCOPE;
         struct sk_buff_head tmpq;
@@ -796,7 +796,7 @@ void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq,
         struct sk_buff *skb, *_skb;
 
         __skb_queue_head_init(&tmpq);
-        tipc_plist_init(&dports);
+        INIT_LIST_HEAD(&dports);
 
         skb = tipc_skb_peek(arrvq, &inputq->lock);
         for (; skb; skb = tipc_skb_peek(arrvq, &inputq->lock)) {
@@ -810,8 +810,8 @@ void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq,
                 tipc_nametbl_mc_translate(net,
                                           msg_nametype(msg), msg_namelower(msg),
                                           msg_nameupper(msg), scope, &dports);
-                portid = tipc_plist_pop(&dports);
-                for (; portid; portid = tipc_plist_pop(&dports)) {
+                portid = u32_pop(&dports);
+                for (; portid; portid = u32_pop(&dports)) {
                         _skb = __pskb_copy(skb, hsz, GFP_ATOMIC);
                         if (_skb) {
                                 msg_set_destport(buf_msg(_skb), portid);