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driver core: Use sysfs_rename_link in device_rename

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Don't open code the renaming of symlinks in sysfs
instead use the new helper function sysfs_rename_link

Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Eric W. Biederman 2010-02-12 19:22:26 -08:00 committed by Greg Kroah-Hartman
parent 7cb32942d9
commit 2354dcc721
1 changed files with 6 additions and 12 deletions
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18
drivers/base/core.c
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@ -1578,22 +1578,16 @@ int device_rename(struct device *dev, char *new_name)
if (old_class_name) {
new_class_name = make_class_name(dev->class->name, &dev->kobj);
if (new_class_name) {
error = sysfs_create_link_nowarn(&dev->parent->kobj,
&dev->kobj,
new_class_name);
if (error)
goto out;
sysfs_remove_link(&dev->parent->kobj, old_class_name);
error = sysfs_rename_link(&dev->parent->kobj,
&dev->kobj,
old_class_name,
new_class_name);
}
}
#else
if (dev->class) {
error = sysfs_create_link_nowarn(&dev->class->p->class_subsys.kobj,
&dev->kobj, dev_name(dev));
if (error)
goto out;
sysfs_remove_link(&dev->class->p->class_subsys.kobj,
old_device_name);
error = sysfs_rename_link(&dev->class->p->class_subsys.kobj,
&dev->kobj, old_device_name, new_name);
}
#endif