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dm: sysfs add empty release function to avoid debug warning

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This patch just removes an unnecessary warning:
 kobject: 'dm': does not have a release() function,
 it is broken and must be fixed.

The kobject is embedded in mapped device struct, so
code does not need to release memory explicitly here.

Cc: stable@kernel.org
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Milan Broz 2009-12-10 23:51:53 +00:00 committed by Alasdair G Kergon
parent 613978f871
commit d2bb7df8ca
1 changed files with 8 additions and 0 deletions
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8
drivers/md/dm-sysfs.c
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@ -79,6 +79,13 @@ static struct sysfs_ops dm_sysfs_ops = {
.show = dm_attr_show,
};
/*
* The sysfs structure is embedded in md struct, nothing to do here
*/
static void dm_sysfs_release(struct kobject *kobj)
{
}
/*
* dm kobject is embedded in mapped_device structure
* no need to define release function here
@ -86,6 +93,7 @@ static struct sysfs_ops dm_sysfs_ops = {
static struct kobj_type dm_ktype = {
.sysfs_ops = &dm_sysfs_ops,
.default_attrs = dm_attrs,
.release = dm_sysfs_release
};
/*