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driver-core: remove struct bus_type.dev_attrs

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Now that all in-kernel users of bus_type.dev_attrs have been converted
to use dev_groups instead, the dev_attrs field, and logic surrounding
it, can be removed.

Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Greg Kroah-Hartman 2013-08-23 14:12:09 -07:00
commit b46c73378c
2 changed files with 1 additions and 38 deletions
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37
drivers/base/bus.c
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@ -466,35 +466,6 @@ int bus_for_each_drv(struct bus_type *bus, struct device_driver *start,
}
EXPORT_SYMBOL_GPL(bus_for_each_drv);
static int device_add_attrs(struct bus_type *bus, struct device *dev)
{
int error = 0;
int i;
if (!bus->dev_attrs)
return 0;
for (i = 0; bus->dev_attrs[i].attr.name; i++) {
error = device_create_file(dev, &bus->dev_attrs[i]);
if (error) {
while (--i >= 0)
device_remove_file(dev, &bus->dev_attrs[i]);
break;
}
}
return error;
}
static void device_remove_attrs(struct bus_type *bus, struct device *dev)
{
int i;
if (bus->dev_attrs) {
for (i = 0; bus->dev_attrs[i].attr.name; i++)
device_remove_file(dev, &bus->dev_attrs[i]);
}
}
/**
* bus_add_device - add device to bus
* @dev: device being added
@ -510,12 +481,9 @@ int bus_add_device(struct device *dev)
if (bus) {
pr_debug("bus: '%s': add device %s\n", bus->name, dev_name(dev));
error = device_add_attrs(bus, dev);
if (error)
goto out_put;
error = device_add_groups(dev, bus->dev_groups);
if (error)
goto out_id;
goto out_put;
error = sysfs_create_link(&bus->p->devices_kset->kobj,
&dev->kobj, dev_name(dev));
if (error)
@ -532,8 +500,6 @@ out_subsys:
sysfs_remove_link(&bus->p->devices_kset->kobj, dev_name(dev));
out_groups:
device_remove_groups(dev, bus->dev_groups);
out_id:
device_remove_attrs(bus, dev);
out_put:
bus_put(dev->bus);
return error;
@ -590,7 +556,6 @@ void bus_remove_device(struct device *dev)
sysfs_remove_link(&dev->kobj, "subsystem");
sysfs_remove_link(&dev->bus->p->devices_kset->kobj,
dev_name(dev));
device_remove_attrs(dev->bus, dev);
device_remove_groups(dev, dev->bus->dev_groups);
if (klist_node_attached(&dev->p->knode_bus))
klist_del(&dev->p->knode_bus);