batman-adv: Fix range check for expected packets

The check for new packets in the future used a wrong binary operator,
which makes the check expression always true and accepting too many
packets.

Reported-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Sven Eckelmann <sven@narfation.org>

diff --git a/net/batman-adv/bitarray.c b/net/batman-adv/bitarray.c
index 0be9ff3..9bc63b2 100644 (file)
--- a/net/batman-adv/bitarray.c
+++ b/net/batman-adv/bitarray.c
@@ -155,7 +155,7 @@ int bit_get_packet(void *priv, unsigned long *seq_bits,
        /* sequence number is much newer, probably missed a lot of packets */
 
        if ((seq_num_diff >= TQ_LOCAL_WINDOW_SIZE)
-               || (seq_num_diff < EXPECTED_SEQNO_RANGE)) {
+               && (seq_num_diff < EXPECTED_SEQNO_RANGE)) {
                bat_dbg(DBG_BATMAN, bat_priv,
                        "We missed a lot of packets (%i) !\n",
                        seq_num_diff - 1);