[TIPC]: Fixed memory leak in tipc_link_send() when destination is unreachable

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Per Liden <per.liden@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 1 deletions

diff --git a/net/tipc/link.c b/net/tipc/link.c
index ba7d3f19be1..ff40c9195fe 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1135,9 +1135,13 @@ int tipc_link_send(struct sk_buff *buf, u32 dest, u32 selector)
         if (n_ptr) {
                 tipc_node_lock(n_ptr);
                 l_ptr = n_ptr->active_links[selector & 1];
-                dbg("tipc_link_send: found link %x for dest %x\n", l_ptr, dest);
                 if (l_ptr) {
+                        dbg("tipc_link_send: found link %x for dest %x\n", l_ptr, dest);
                         res = tipc_link_send_buf(l_ptr, buf);
+                } else {
+                        dbg("Attempt to send msg to unreachable node:\n");
+                        msg_dbg(buf_msg(buf),">>>");
+                        buf_discard(buf);
                 }
                 tipc_node_unlock(n_ptr);
         } else {