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authorUrsula Braun <braunu@de.ibm.com>2007-10-05 16:45:48 +0200
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:54:42 -0700
commit28692ec45e58f40a998beb155fe1c0d3e1167485 (patch)
treef08363d946200b32c1138ab7879366aa15457f52
parent59579da329b22bcddc5da0c22c61d6dc1f9eb96a (diff)
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 <braunu@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
-rw-r--r--drivers/s390/net/qeth_main.c7
1 files changed, 6 insertions, 1 deletions
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)){