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Commit d7d32ec0 authored by Marek Lindner's avatar Marek Lindner Committed by Antonio Quartulli
Browse files

batman-adv: randomize initial seqno to avoid collision 



Signed-off-by: default avatarMarek Lindner <lindner_marek@yahoo.de>
Signed-off-by: default avatarAntonio Quartulli <ordex@autistici.org>
parent c2aca022

net/batman-adv/bat_iv_ogm.c

+5 −0
Original line number Original line Diff line number Diff line
@@ -33,6 +33,11 @@ 
static void bat_iv_ogm_iface_enable(struct hard_iface *hard_iface)

static void bat_iv_ogm_iface_enable(struct hard_iface *hard_iface)

{

{

	struct batman_ogm_packet *batman_ogm_packet;

	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_len = BATMAN_OGM_LEN;

	hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC);

	hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC);