batman-adv: reuse tt_len() to calculate tt buffer length
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Acked-by: Antonio Quartulli <ordex@autistici.org>
diff --git a/net/batman-adv/aggregation.h b/net/batman-adv/aggregation.h
index 216337b..df4a5a9 100644
--- a/net/batman-adv/aggregation.h
+++ b/net/batman-adv/aggregation.h
@@ -28,8 +28,7 @@
static inline int aggregated_packet(int buff_pos, int packet_len,
int tt_num_changes)
{
- int next_buff_pos = buff_pos + BAT_PACKET_LEN + (tt_num_changes *
- sizeof(struct tt_change));
+ int next_buff_pos = buff_pos + BAT_PACKET_LEN + tt_len(tt_num_changes);
return (next_buff_pos <= packet_len) &&
(next_buff_pos <= MAX_AGGREGATION_BYTES);