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s390/qeth: handle sysfs error during initialization

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When setting up the device from within the layer discipline's
probe routine, creating the layer-specific sysfs attributes can fail.
Report this error back to the caller, and handle it by
releasing the layer discipline.

Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
[jwi: updated commit msg, moved an OSN change to a subsequent patch]
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ursula Braun
2017-05-10 19:07:51 +02:00
committed by David S. Miller
parent b601616681
commit 9111e7880c
4 changed files with 13 additions and 3 deletions
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5
drivers/s390/net/qeth_l2_main.c
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@@ -883,8 +883,11 @@ static int qeth_l2_stop(struct net_device *dev)
static int qeth_l2_probe_device(struct ccwgroup_device *gdev)
{
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
int rc;
qeth_l2_create_device_attributes(&gdev->dev);
rc = qeth_l2_create_device_attributes(&gdev->dev);
if (rc)
return rc;
INIT_LIST_HEAD(&card->vid_list);
hash_init(card->mac_htable);
card->options.layer2 = 1;