[PATCH 01/16] batman-adv: only add recordroute information to icmp request/reply
From: Antonio Quartulli <hidden>
Date: 2013-10-13 11:22:46
Also in:
batman
Subsystem:
batman advanced, the rest · Maintainers:
Marek Lindner, Simon Wunderlich, Antonio Quartulli, Sven Eckelmann, Linus Torvalds
From: Simon Wunderlich <redacted> 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 <redacted> Signed-off-by: Marek Lindner <redacted> Signed-off-by: Antonio Quartulli <redacted> --- net/batman-adv/routing.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 457dfef..0dc1c0e 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c@@ -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);
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1.8.3.2