Commit 28692ec4 authored by Ursula Braun's avatar Ursula Braun Committed by David S. Miller
Browse files

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: default avatarUrsula Braun <braunu@de.ibm.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 59579da3

drivers/s390/net/qeth_main.c

+6 −1
Original line number Diff line number Diff line
@@ -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)){