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Diffstat (limited to 'net/batman-adv/send.c')
-rw-r--r--net/batman-adv/send.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c
index 2f62b2e4a47..4b8e11bc14f 100644
--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -163,6 +163,7 @@ static void send_packet(struct forw_packet *forw_packet)
struct hard_iface *hard_iface;
struct net_device *soft_iface;
struct bat_priv *bat_priv;
+ struct hard_iface *primary_if = NULL;
struct batman_packet *batman_packet =
(struct batman_packet *)(forw_packet->skb->data);
int directlink = (batman_packet->flags & DIRECTLINK ? 1 : 0);
@@ -170,19 +171,23 @@ static void send_packet(struct forw_packet *forw_packet)
if (!forw_packet->if_incoming) {
pr_err("Error - can't forward packet: incoming iface not "
"specified\n");
- return;
+ goto out;
}
soft_iface = forw_packet->if_incoming->soft_iface;
bat_priv = netdev_priv(soft_iface);
if (forw_packet->if_incoming->if_status != IF_ACTIVE)
- return;
+ goto out;
+
+ primary_if = primary_if_get_selected(bat_priv);
+ if (!primary_if)
+ goto out;
/* multihomed peer assumed */
/* non-primary OGMs are only broadcasted on their interface */
if ((directlink && (batman_packet->ttl == 1)) ||
- (forw_packet->own && (forw_packet->if_incoming->if_num > 0))) {
+ (forw_packet->own && (forw_packet->if_incoming != primary_if))) {
/* FIXME: what about aggregated packets ? */
bat_dbg(DBG_BATMAN, bat_priv,
@@ -199,7 +204,7 @@ static void send_packet(struct forw_packet *forw_packet)
broadcast_addr);
forw_packet->skb = NULL;
- return;
+ goto out;
}
/* broadcast on every interface */
@@ -211,6 +216,10 @@ static void send_packet(struct forw_packet *forw_packet)
send_packet_to_if(forw_packet, hard_iface);
}
rcu_read_unlock();
+
+out:
+ if (primary_if)
+ hardif_free_ref(primary_if);
}
static void realloc_packet_buffer(struct hard_iface *hard_iface,