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| author |   Antonio Quartulli <ordex@autistici.org> | 2012-07-31 17:19:15 +0200 |
|---|---|---|
| committer | Antonio Quartulli <ordex@autistici.org> | 2012-10-29 09:39:03 +0100 |
| commit | d48ddb83666c32f14436106b8c9319f8ab24cf0a (patch) | |
| tree | 60cf83dd2f2d17df622107c97bd605c140fd94bd | |
| parent | net: sierra: shut up sparse restricted type warnings (diff) | |
| download | linux-dev-d48ddb83666c32f14436106b8c9319f8ab24cf0a.tar.xz linux-dev-d48ddb83666c32f14436106b8c9319f8ab24cf0a.zip | |
batman-adv: use check_unicast_packet() in recv_roam_adv()
To avoid code duplication and to simplify further changes,
check_unicast_packet() is now used in recv_roam_adv() to check for not
well formed packets and so discard them.
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
| -rw-r--r-- | net/batman-adv/routing.c | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index 376b4cc6ca82..8bdafc85ba4f 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -687,21 +687,8 @@ int batadv_recv_roam_adv(struct sk_buff *skb, struct batadv_hard_iface *recv_if) struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface); struct batadv_roam_adv_packet *roam_adv_packet; struct batadv_orig_node *orig_node; - struct ethhdr *ethhdr; - - /* drop packet if it has not necessary minimum size */ - if (unlikely(!pskb_may_pull(skb, - sizeof(struct batadv_roam_adv_packet)))) - goto out; - - ethhdr = (struct ethhdr *)skb_mac_header(skb); - /* packet with unicast indication but broadcast recipient */ - if (is_broadcast_ether_addr(ethhdr->h_dest)) - goto out; - - /* packet with broadcast sender address */ - if (is_broadcast_ether_addr(ethhdr->h_source)) + if (batadv_check_unicast_packet(skb, sizeof(*roam_adv_packet)) < 0) goto out; batadv_inc_counter(bat_priv, BATADV_CNT_TT_ROAM_ADV_RX); |