From: Marek Lindner lindner_marek@yahoo.de
Signed-off-by: Marek Lindner lindner_marek@yahoo.de Signed-off-by: Antonio Quartulli ordex@autistici.org --- net/batman-adv/bat_iv_ogm.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 117b831..95bfc59 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -33,6 +33,11 @@ static void bat_iv_ogm_iface_enable(struct hard_iface *hard_iface) { struct batman_ogm_packet *batman_ogm_packet; + uint32_t random_seqno; + + /* randomize initial seqno to avoid collision */ + get_random_bytes(&random_seqno, sizeof(random_seqno)); + atomic_set(&hard_iface->seqno, random_seqno);
hard_iface->packet_len = BATMAN_OGM_LEN; hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC);