From: Ursula Braun Date: Fri, 5 Oct 2007 14:45:48 +0000 (+0200) Subject: qeth: discard inbound packets with unknown header id X-Git-Tag: v2.6.24-rc1~1454^2~155 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=28692ec45e58f40a998beb155fe1c0d3e1167485;p=linux-2.6 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 --- diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index 6d7b79e2ba..c67e7dfd56 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)){