From 28692ec45e58f40a998beb155fe1c0d3e1167485 Mon Sep 17 00:00:00 2001 From: Ursula Braun Date: Fri, 5 Oct 2007 16:45:48 +0200 Subject: [PATCH] qeth: discard inbound packets with unknown header id Debugging statements are added for inbound packets with unknown header id. Those packets are discarded and no longer processed as osn-packets. Signed-off-by: Ursula Braun Signed-off-by: Jeff Garzik --- drivers/s390/net/qeth_main.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index 6d7b79e2ba9..c67e7dfd56c 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -2702,10 +2702,15 @@ qeth_process_inbound_buffer(struct qeth_card *card, qeth_layer2_rebuild_skb(card, skb, hdr); else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3) vlan_tag = qeth_rebuild_skb(card, skb, hdr); - else { /*in case of OSN*/ + else if (hdr->hdr.osn.id == QETH_HEADER_TYPE_OSN) { skb_push(skb, sizeof(struct qeth_hdr)); skb_copy_to_linear_data(skb, hdr, sizeof(struct qeth_hdr)); + } else { /* unknown header type */ + dev_kfree_skb_any(skb); + QETH_DBF_TEXT(trace, 3, "inbunkno"); + QETH_DBF_HEX(control, 3, hdr, QETH_DBF_CONTROL_LEN); + continue; } /* is device UP ? */ if (!(card->dev->flags & IFF_UP)){ -- 2.41.0