[PATCH net-next 6/9] s390/qeth: simplify L3 sysfs group management
From: Julian Wiedmann <hidden>
Date: 2017-09-18 19:19:29
Also in:
linux-s390
Subsystem:
networking drivers, s390 architecture, s390 network drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Heiko Carstens, Vasily Gorbik, Alexander Gordeev, Alexandra Winter, Aswin Karuvally, Linus Torvalds
Use the right helpers to create/remove all attribute groups in one go. Suggested-by: Hans Wippel <redacted> Signed-off-by: Julian Wiedmann <redacted> Reviewed-by: Ursula Braun <redacted> --- drivers/s390/net/qeth_l3_sys.c | 45 +++++++++++------------------------------- 1 file changed, 12 insertions(+), 33 deletions(-)
diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c
index e8bcc314cc5f..0ad0f7f4b23f 100644
--- a/drivers/s390/net/qeth_l3_sys.c
+++ b/drivers/s390/net/qeth_l3_sys.c@@ -1028,52 +1028,31 @@ static const struct attribute_group qeth_device_rxip_group = { .attrs = qeth_rxip_device_attrs, }; +static const struct attribute_group *qeth_l3_only_attr_groups[] = { + &qeth_l3_device_attr_group, + &qeth_device_ipato_group, + &qeth_device_vipa_group, + &qeth_device_rxip_group, + NULL, +}; + int qeth_l3_create_device_attributes(struct device *dev) { - int ret; - - ret = sysfs_create_group(&dev->kobj, &qeth_l3_device_attr_group); - if (ret) - return ret; - - ret = sysfs_create_group(&dev->kobj, &qeth_device_ipato_group); - if (ret) { - sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group); - return ret; - } - - ret = sysfs_create_group(&dev->kobj, &qeth_device_vipa_group); - if (ret) { - sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group); - sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group); - return ret; - } - - ret = sysfs_create_group(&dev->kobj, &qeth_device_rxip_group); - if (ret) { - sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group); - sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group); - sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group); - return ret; - } - return 0; + return sysfs_create_groups(&dev->kobj, qeth_l3_only_attr_groups); } void qeth_l3_remove_device_attributes(struct device *dev) { - sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group); - sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group); - sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group); - sysfs_remove_group(&dev->kobj, &qeth_device_rxip_group); + sysfs_remove_groups(&dev->kobj, qeth_l3_only_attr_groups); } const struct attribute_group *qeth_l3_attr_groups[] = { &qeth_device_attr_group, &qeth_device_blkt_group, - /* l3 specific, see l3_{create,remove}_device_attributes(): */ + /* l3 specific, see qeth_l3_only_attr_groups: */ &qeth_l3_device_attr_group, &qeth_device_ipato_group, &qeth_device_vipa_group, &qeth_device_rxip_group, -NULL, + NULL, };
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2.13.5