From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ursula Braun Subject: [patch 5/5] qeth: discard inbound packets with unknown header id Date: Fri, 05 Oct 2007 16:45:48 +0200 Message-ID: <20071005144824.836871000@linux.vnet.ibm.com> References: <20071005144543.448852000@linux.vnet.ibm.com> To: davem@davemloft.net, netdev@vger.kernel.org, linux-s390@vger.kernel.org Return-path: Received: from mtagate3.de.ibm.com ([195.212.29.152]:13107 "EHLO mtagate3.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762411AbXJEOsa (ORCPT ); Fri, 5 Oct 2007 10:48:30 -0400 Content-Disposition: inline; filename=qeth-inbound.diff Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Ursula Braun 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 --- drivers/s390/net/qeth_main.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) Index: linux-2.6-uschi/drivers/s390/net/qeth_main.c =================================================================== --- linux-2.6-uschi.orig/drivers/s390/net/qeth_main.c +++ linux-2.6-uschi/drivers/s390/net/qeth_main.c @@ -2699,10 +2699,15 @@ qeth_process_inbound_buffer(struct qeth_ 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)){ --