diff options
| author |   Ursula Braun <braunu@de.ibm.com> | 2007-10-05 16:45:48 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:54:42 -0700 |
| commit | 28692ec45e58f40a998beb155fe1c0d3e1167485 (patch) | |
| tree | f08363d946200b32c1138ab7879366aa15457f52 /drivers/s390/net | |
| parent | lcs: Channel errors drive lcs_recovery which leads to kernel panic. (diff) | |
| download | linux-dev-28692ec45e58f40a998beb155fe1c0d3e1167485.tar.xz linux-dev-28692ec45e58f40a998beb155fe1c0d3e1167485.zip | |
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>
Diffstat (limited to 'drivers/s390/net')
| -rw-r--r-- | drivers/s390/net/qeth_main.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index 6d7b79e2ba92..c67e7dfd56cc 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)){ |