From: Marek Lindner Date: Tue, 7 Feb 2012 09:20:46 +0000 (+0800) Subject: batman-adv: randomize initial seqno to avoid collision X-Git-Tag: v3.5-rc1~109^2~411^2~8 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=d7d32ec0f199cc00a43434cdd920338763fab2e0;p=~emulex%2Finfiniband.git batman-adv: randomize initial seqno to avoid collision Signed-off-by: Marek Lindner Signed-off-by: Antonio Quartulli --- diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 117b8314e8c..95bfc5962e1 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);