}
}
}
+
+/**
+ * tipc_port_list_add - add a port to a port list, ensuring no duplicates
+ */
+
+void tipc_port_list_add(struct port_list *pl_ptr, u32 port)
+{
+ struct port_list *item = pl_ptr;
+ int i;
+ int item_sz = PLSIZE;
+ int cnt = pl_ptr->count;
+
+ for (; ; cnt -= item_sz, item = item->next) {
+ if (cnt < PLSIZE)
+ item_sz = cnt;
+ for (i = 0; i < item_sz; i++)
+ if (item->ports[i] == port)
+ return;
+ if (i < PLSIZE) {
+ item->ports[i] = port;
+ pl_ptr->count++;
+ return;
+ }
+ if (!item->next) {
+ item->next = kmalloc(sizeof(*item), GFP_ATOMIC);
+ if (!item->next) {
+ warn("Incomplete multicast delivery, no memory\n");
+ return;
+ }
+ item->next->next = NULL;
+ }
+ }
+}
+
+/**
+ * tipc_port_list_free - free dynamically created entries in port_list chain
+ *
+ */
+
+void tipc_port_list_free(struct port_list *pl_ptr)
+{
+ struct port_list *item;
+ struct port_list *next;
+
+ for (item = pl_ptr->next; item; item = next) {
+ next = item->next;
+ kfree(item);
+ }
+}
+