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batman-adv: only add recordroute information to icmp request/reply 

Adding host information for record route is only required for ICMP
requests and replys, and should not be added to just any (future?)
packet type.

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
This commit is contained in:
Simon Wunderlich 2013-04-25 10:37:26 +02:00 committed by Antonio Quartulli
parent ccdbb6e96b
commit 97dbc03b47
1 changed files with 3 additions and 1 deletions
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4
net/batman-adv/routing.c
View File

@ -379,7 +379,9 @@ int batadv_recv_icmp_packet(struct sk_buff *skb,
icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
/* add record route information if not full */
if ((hdr_size == sizeof(struct batadv_icmp_packet_rr)) &&
if ((icmp_packet->msg_type == BATADV_ECHO_REPLY ||
icmp_packet->msg_type == BATADV_ECHO_REQUEST) &&
(hdr_size == sizeof(struct batadv_icmp_packet_rr)) &&
(icmp_packet->rr_cur < BATADV_RR_LEN)) {
memcpy(&(icmp_packet->rr[icmp_packet->rr_cur]),
ethhdr->h_dest, ETH_ALEN);