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Driver core: Fix device_add_attrs() error code path 

If the addition of dev_attr_online fails, device_add_attrs() should
remove device attribute groups as well as type and class attribute
groups before returning an error code.  Make that happen.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Toshi Kani <toshi.kani@hp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rafael J. Wysocki 2013-12-12 06:11:02 +01:00 committed by Greg Kroah-Hartman
parent 80b9bbefc3
commit ecfbf6fd9c
1 changed files with 3 additions and 1 deletions
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4
drivers/base/core.c
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@ -491,11 +491,13 @@ static int device_add_attrs(struct device *dev)
if (device_supports_offline(dev) && !dev->offline_disabled) {
error = device_create_file(dev, &dev_attr_online);
if (error)
goto err_remove_type_groups;
goto err_remove_dev_groups;
}
return 0;
err_remove_dev_groups:
device_remove_groups(dev, dev->groups);
err_remove_type_groups:
if (type)
device_remove_groups(dev, type->groups);