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sysfs: create bin_attributes under the requested group

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bin_attributes created/updated in create_files() (such as those listed
via (struct device).attribute_groups) were not placed under the
specified group, and instead appeared in the base kobj directory.

Fix this by making bin_attributes use creating code similar to normal
attributes.

A quick grep shows that no one is using bin_attrs in a named attribute
group yet, so we can do this without breaking anything in usespace.

Note that I do not add is_visible() support to
bin_attributes, though that could be done as well.

Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Cody P Schafer 2014-02-14 14:02:07 -08:00 committed by Greg Kroah-Hartman
parent 5c764dfaef
commit aabaf4c205
1 changed files with 5 additions and 2 deletions
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7
fs/sysfs/group.c
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@ -70,8 +70,11 @@ static int create_files(struct kernfs_node *parent, struct kobject *kobj,
if (grp->bin_attrs) {
for (bin_attr = grp->bin_attrs; *bin_attr; bin_attr++) {
if (update)
sysfs_remove_bin_file(kobj, *bin_attr);
error = sysfs_create_bin_file(kobj, *bin_attr);
kernfs_remove_by_name(parent,
(*bin_attr)->attr.name);
error = sysfs_add_file_mode_ns(parent,
&(*bin_attr)->attr, true,
(*bin_attr)->attr.mode, NULL);
if (error)
break;
}