batman-adv: do not print orig nodes without nc neighbors on nc table print

Signed-off-by: Marek Lindner <[email protected]>
Signed-off-by: Antonio Quartulli <[email protected]>

diff --git a/net/batman-adv/network-coding.c b/net/batman-adv/network-coding.c
index 0787a34609b9aca97f4e5a028d33ab4deebf77a6..22cd51fea7306e7d3045546669ea4760131f8665 100644 (file)
--- a/net/batman-adv/network-coding.c
+++ b/net/batman-adv/network-coding.c
@@ -1763,6 +1763,13 @@ int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset)
                /* For each orig_node in this bin */
                rcu_read_lock();
                hlist_for_each_entry_rcu(orig_node, head, hash_entry) {
+                       /* no need to print the orig node if it does not have
+                        * network coding neighbors
+                        */
+                       if (list_empty(&orig_node->in_coding_list) &&
+                           list_empty(&orig_node->out_coding_list))
+                               continue;
+
                        seq_printf(seq, "Node:      %pM\n", orig_node->orig);
 
                        seq_puts(seq, " Ingoing:  ");