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qeth: layer 3 Oops in ip event handler 

The ip event handler may present us non qeth network interfaces.
Add qeth card pointer check.

Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
hifive-unleashed-5.1
Frank Blaschka 2008-06-06 12:37:44 +02:00 committed by Jeff Garzik
parent 363f15149c
commit e5bd7be567
1 changed files with 1 additions and 1 deletions
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2
drivers/s390/net/qeth_l3_main.c
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@ -2070,7 +2070,7 @@ static struct qeth_card *qeth_l3_get_card_from_dev(struct net_device *dev)
card = netdev_priv(dev);
else if (rc == QETH_VLAN_CARD)
card = netdev_priv(vlan_dev_info(dev)->real_dev);
if (card->options.layer2)
if (card && card->options.layer2)
card = NULL;
QETH_DBF_TEXT_(TRACE, 4, "%d", rc);
return card ;