lcs: CCL-sequ. numbers required for protocol 802.2 only.

Sequence numbers in skbs (Receive path) are assigned only to
802.2 packets.

Signed-off-by: Klaus D. Wacker <kdwacker@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index f51ed9972587..dd22f4b37037 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -1793,7 +1793,8 @@ lcs_get_skb(struct lcs_card *card, char *skb_data, unsigned int skb_len)
         skb->protocol = card->lan_type_trans(skb, card->dev);
         card->stats.rx_bytes += skb_len;
         card->stats.rx_packets++;
-        *((__u32 *)skb->cb) = ++card->pkt_seq;
+        if (skb->protocol == htons(ETH_P_802_2))
+                *((__u32 *)skb->cb) = ++card->pkt_seq;
         netif_rx(skb);
 }