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authorFrank Blaschka <frank.blaschka@de.ibm.com>2008-06-06 12:37:44 +0200
committerJeff Garzik <jgarzik@redhat.com>2008-06-11 00:20:34 +0200
commite5bd7be56787f8c5042081157fff983bcf0c8a42 (patch)
treec720ca2ab45019c9696b2e53639b1c783462046f /drivers/s390/net/qeth_l3_main.c
parentvirtio: use callback on empty in virtio_net (diff)
downloadlinux-e5bd7be56787f8c5042081157fff983bcf0c8a42.tar.xz
linux-e5bd7be56787f8c5042081157fff983bcf0c8a42.zip
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>
Diffstat (limited to 'drivers/s390/net/qeth_l3_main.c')
-rw-r--r--drivers/s390/net/qeth_l3_main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 94a8ead64ed4..b041ea8c9577 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -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 ;