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

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/net/batman-adv/network-coding.c b/net/batman-adv/network-coding.c
index 0787a34609b9..22cd51fea730 100644
--- 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:  ");