tipc: remove pointless check for NULL prior to kfree

It is acceptable to call kfree() with NULL, so these checks are not
serving any useful purpose.
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>

net/tipc/name_distr.c

@@ -240,9 +240,7 @@ static void node_is_down(struct publication *publ)
 		    publ->type, publ->lower, publ->node, publ->ref, publ->key);
 	}
 
-	if (p) {
 	kfree(p);
-	}
 }
 
 /**

net/tipc/port.c

@@ -269,9 +269,7 @@ int tipc_deleteport(u32 ref)
 		buf = port_build_peer_abort_msg(p_ptr, TIPC_ERR_NO_PORT);
 		tipc_nodesub_unsubscribe(&p_ptr->subscription);
 	}
-	if (p_ptr->user_port) {
 	kfree(p_ptr->user_port);
-	}
 
 	spin_lock_bh(&tipc_port_list_lock);
 	list_del(&p_ptr->port_list);