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qeth: Fix missing pointer update

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qeth_hdr_chk_and_bounce() can possibly shift the skb->data
pointer. However, the existing code didn't update the hdr pointer,
which should point to skb->data, accordingly.
Symptoms of this issue are sporadic recoveries.

Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
Signed-off-by: Frank Blaschka <blaschka@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stefan Raspl
2013-04-22 01:12:29 +00:00
committed by David S. Miller
parent 065cc782e7
commit d4ae1f5e5e
4 changed files with 6 additions and 4 deletions
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2
drivers/s390/net/qeth_l2_main.c
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@@ -781,7 +781,7 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
if (card->info.type != QETH_CARD_TYPE_IQD) {
if (qeth_hdr_chk_and_bounce(new_skb,
if (qeth_hdr_chk_and_bounce(new_skb, &hdr,
sizeof(struct qeth_hdr_layer2)))
goto tx_drop;
rc = qeth_do_send_packet(card, queue, new_skb, hdr,