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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2012-06-04 19:29:41 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2012-06-05 13:23:36 +0200 |
| commit | ed35ba9af4f40056a222dd7b67f39f1f6172185a (patch) | |
| tree | fccc62e460c46f1b2de1576bb6cc57bacc4a3358 | |
| parent | eb546195a7d8bc492ec6865980bf767474e74d87 (diff) | |
| download | linux-3.10-ed35ba9af4f40056a222dd7b67f39f1f6172185a.tar.gz linux-3.10-ed35ba9af4f40056a222dd7b67f39f1f6172185a.tar.bz2 linux-3.10-ed35ba9af4f40056a222dd7b67f39f1f6172185a.zip | |
s390/cio/chp: cleanup attribute usage
Let the driver core handle device attribute creation and removal. This
will simplify the code and eliminates races between attribute
availability and userspace notification via uevents.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| -rw-r--r-- | drivers/s390/cio/chp.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c index e792436c927..9b054806f7b 100644 --- a/drivers/s390/cio/chp.c +++ b/drivers/s390/cio/chp.c @@ -362,10 +362,13 @@ static struct attribute *chp_attrs[] = { &dev_attr_shared.attr, NULL, }; - static struct attribute_group chp_attr_group = { .attrs = chp_attrs, }; +static const struct attribute_group *chp_attr_groups[] = { + &chp_attr_group, + NULL, +}; static void chp_release(struct device *dev) { @@ -397,6 +400,7 @@ int chp_new(struct chp_id chpid) chp->chpid = chpid; chp->state = 1; chp->dev.parent = &channel_subsystems[chpid.cssid]->device; + chp->dev.groups = chp_attr_groups; chp->dev.release = chp_release; mutex_init(&chp->lock); @@ -426,16 +430,10 @@ int chp_new(struct chp_id chpid) put_device(&chp->dev); goto out; } - ret = sysfs_create_group(&chp->dev.kobj, &chp_attr_group); - if (ret) { - device_unregister(&chp->dev); - goto out; - } mutex_lock(&channel_subsystems[chpid.cssid]->mutex); if (channel_subsystems[chpid.cssid]->cm_enabled) { ret = chp_add_cmg_attr(chp); if (ret) { - sysfs_remove_group(&chp->dev.kobj, &chp_attr_group); device_unregister(&chp->dev); mutex_unlock(&channel_subsystems[chpid.cssid]->mutex); goto out; |