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-rw-r--r--net/batman-adv/bat_iv_ogm.c4
-rw-r--r--net/batman-adv/main.h3
2 files changed, 4 insertions, 3 deletions
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index 8513f6661dd1..b715f7343ffd 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -446,6 +446,7 @@ batadv_iv_ogm_can_aggregate(const struct batadv_ogm_packet *new_bat_ogm_packet,
struct batadv_ogm_packet *batadv_ogm_packet;
int aggregated_bytes = forw_packet->packet_len + packet_len;
struct batadv_hard_iface *primary_if = NULL;
+ u8 packet_num = forw_packet->num_packets + 1;
bool res = false;
unsigned long aggregation_end_time;
@@ -468,6 +469,9 @@ batadv_iv_ogm_can_aggregate(const struct batadv_ogm_packet *new_bat_ogm_packet,
if (aggregated_bytes > BATADV_MAX_AGGREGATION_BYTES)
return false;
+ if (packet_num >= BITS_PER_TYPE(forw_packet->direct_link_flags))
+ return false;
+
/* packet is not leaving on the same interface. */
if (forw_packet->if_outgoing != if_outgoing)
return false;
diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
index 5adefdfc69bc..c08c96b5b8b1 100644
--- a/net/batman-adv/main.h
+++ b/net/batman-adv/main.h
@@ -104,9 +104,6 @@
*/
#define BATADV_TQ_SIMILARITY_THRESHOLD 50
-/* should not be bigger than 512 bytes or change the size of
- * forw_packet->direct_link_flags
- */
#define BATADV_MAX_AGGREGATION_BYTES 512
#define BATADV_MAX_AGGREGATION_MS 100