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[PATCH] s390: qeth driver fixes [6/6]

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[PATCH 9/9] s390: qeth driver fixes [6/6]

From: Frank Pavlic <fpavlic@de.ibm.com>
	- Hipersockets has no IPV6 support, thus prevent issueing
	  SETRTG_IPV6 control commands on Hipersockets devices.
	- fixed error handling in qeth_sysfs_(un)register

Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Frank Pavlic 2006-09-15 16:27:02 +02:00 committed by Jeff Garzik
parent f956b6902e
commit 8b98a37c4b
1 changed files with 39 additions and 20 deletions
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59
drivers/s390/net/qeth_main.c
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@ -7344,6 +7344,8 @@ qeth_setrouting_v6(struct qeth_card *card)
QETH_DBF_TEXT(trace,3,"setrtg6");
#ifdef CONFIG_QETH_IPV6
if (!qeth_is_supported(card, IPA_IPV6))
return 0;
qeth_correct_routing_type(card, &card->options.route6.type,
QETH_PROT_IPV6);
@ -8544,34 +8546,44 @@ qeth_ipv6_uninit(void)
static void
qeth_sysfs_unregister(void)
{
s390_root_dev_unregister(qeth_root_dev);
qeth_remove_driver_attributes();
ccw_driver_unregister(&qeth_ccw_driver);
ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
s390_root_dev_unregister(qeth_root_dev);
}
/**
* register qeth at sysfs
*/
static int
qeth_sysfs_register(void)
{
int rc=0;
int rc;
rc = ccwgroup_driver_register(&qeth_ccwgroup_driver);
if (rc)
return rc;
goto out;
rc = ccw_driver_register(&qeth_ccw_driver);
if (rc)
return rc;
goto out_ccw_driver;
rc = qeth_create_driver_attributes();
if (rc)
return rc;
goto out_qeth_attr;
qeth_root_dev = s390_root_dev_register("qeth");
if (IS_ERR(qeth_root_dev)) {
rc = PTR_ERR(qeth_root_dev);
return rc;
}
return 0;
rc = IS_ERR(qeth_root_dev) ? PTR_ERR(qeth_root_dev) : 0;
if (!rc)
goto out;
qeth_remove_driver_attributes();
out_qeth_attr:
ccw_driver_unregister(&qeth_ccw_driver);
out_ccw_driver:
ccwgroup_driver_unregister(&qeth_ccwgroup_driver);
out:
return rc;
}
/***
@ -8580,7 +8592,7 @@ qeth_sysfs_register(void)
static int __init
qeth_init(void)
{
int rc=0;
int rc;
PRINT_INFO("loading %s\n", version);
@ -8589,20 +8601,26 @@ qeth_init(void)
spin_lock_init(&qeth_notify_lock);
rwlock_init(&qeth_card_list.rwlock);
if (qeth_register_dbf_views())
rc = qeth_register_dbf_views();
if (rc)
goto out_err;
if (qeth_sysfs_register())
goto out_sysfs;
rc = qeth_sysfs_register();
if (rc)
goto out_dbf;
#ifdef CONFIG_QETH_IPV6
if (qeth_ipv6_init()) {
PRINT_ERR("Out of memory during ipv6 init.\n");
rc = qeth_ipv6_init();
if (rc) {
PRINT_ERR("Out of memory during ipv6 init code = %d\n", rc);
goto out_sysfs;
}
#endif /* QETH_IPV6 */
if (qeth_register_notifiers())
rc = qeth_register_notifiers();
if (rc)
goto out_ipv6;
if (qeth_create_procfs_entries())
rc = qeth_create_procfs_entries();
if (rc)
goto out_notifiers;
return rc;
@ -8612,12 +8630,13 @@ out_notifiers:
out_ipv6:
#ifdef CONFIG_QETH_IPV6
qeth_ipv6_uninit();
#endif /* QETH_IPV6 */
out_sysfs:
#endif /* QETH_IPV6 */
qeth_sysfs_unregister();
out_dbf:
qeth_unregister_dbf_views();
out_err:
PRINT_ERR("Initialization failed");
PRINT_ERR("Initialization failed with code %d\n", rc);
return rc;
}