2 files changed, 14 insertions, 4 deletions

diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 411719feb803..f7c29af4ab81 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -493,8 +493,15 @@ int tipc_enable_bearer(const char *name, u32 disc_domain, u32 priority)
                 warn("Bearer <%s> rejected, illegal name\n", name);
                 return -EINVAL;
         }
-        if (!tipc_addr_domain_valid(disc_domain) ||
-            !tipc_in_scope(disc_domain, tipc_own_addr)) {
+        if (tipc_addr_domain_valid(disc_domain) &&
+            (disc_domain != tipc_own_addr)) {
+                if (tipc_in_scope(disc_domain, tipc_own_addr)) {
+                        disc_domain = tipc_own_addr & TIPC_CLUSTER_MASK;
+                        res = 0;   /* accept any node in own cluster */
+                } else if (in_own_cluster(disc_domain))
+                        res = 0;   /* accept specified node in own cluster */
+        }
+        if (res) {
                 warn("Bearer <%s> rejected, illegal discovery domain\n", name);
                 return -EINVAL;
         }
diff --git a/net/tipc/discover.c b/net/tipc/discover.c
index 491eff56b9da..d2163bd99e59 100644
--- a/net/tipc/discover.c
+++ b/net/tipc/discover.c
@@ -52,6 +52,7 @@
  * struct link_req - information about an ongoing link setup request
  * @bearer: bearer issuing requests
  * @dest: destination address for request messages
+ * @domain: network domain to which links can be established
  * @buf: request message to be (repeatedly) sent
  * @timer: timer governing period between requests
  * @timer_intv: current interval between requests (in ms)
@@ -59,6 +60,7 @@
 struct link_req {
         struct tipc_bearer *bearer;
         struct tipc_media_addr dest;
+        u32 domain;
         struct sk_buff *buf;
         struct timer_list timer;
         unsigned int timer_intv;
@@ -147,7 +149,7 @@ void tipc_disc_recv_msg(struct sk_buff *buf, struct tipc_bearer *b_ptr)
         }
         if (!tipc_in_scope(dest, tipc_own_addr))
                 return;
-        if (!in_own_cluster(orig))
+        if (!tipc_in_scope(b_ptr->link_req->domain, orig))
                 return;
 
         /* Locate structure corresponding to requesting node */
@@ -287,7 +289,7 @@ static void disc_timeout(struct link_req *req)
  * tipc_disc_init_link_req - start sending periodic link setup requests
  * @b_ptr: ptr to bearer issuing requests
  * @dest: destination address for request messages
- * @dest_domain: network domain of node(s) which should respond to message
+ * @dest_domain: network domain to which links can be established
  *
  * Returns pointer to link request structure, or NULL if unable to create.
  */
@@ -310,6 +312,7 @@ struct link_req *tipc_disc_init_link_req(struct tipc_bearer *b_ptr,
 
         memcpy(&req->dest, dest, sizeof(*dest));
         req->bearer = b_ptr;
+        req->domain = dest_domain;
         req->timer_intv = TIPC_LINK_REQ_INIT;
         k_init_timer(&req->timer, (Handler)disc_timeout, (unsigned long)req);
         k_start_timer(&req->timer, req->timer_intv);