From: Cornelia Huck <[email protected]>
Correct cleanup in the error path of bus_add_device().
Signed-off-by: Cornelia Huck <[email protected]>
---
drivers/base/bus.c | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
--- linux-2.6-CH.orig/drivers/base/bus.c
+++ linux-2.6-CH/drivers/base/bus.c
@@ -387,18 +387,29 @@ int bus_add_device(struct device * dev)
pr_debug("bus %s: add device %s\n", bus->name, dev->bus_id);
error = device_add_attrs(bus, dev);
if (error)
- goto out;
+ goto out_put;
error = sysfs_create_link(&bus->devices.kobj,
&dev->kobj, dev->bus_id);
if (error)
- goto out;
+ goto out_id;
error = sysfs_create_link(&dev->kobj,
&dev->bus->subsys.kset.kobj, "subsystem");
if (error)
- goto out;
+ goto out_subsys;
error = make_deprecated_bus_links(dev);
+ if (error)
+ goto out_deprecated;
}
-out:
+ return 0;
+
+out_deprecated:
+ sysfs_remove_link(&dev->kobj, "subsystem");
+out_subsys:
+ sysfs_remove_link(&bus->devices.kobj, dev->bus_id);
+out_id:
+ device_remove_attrs(bus, dev);
+out_put:
+ put_bus(dev->bus);
return error;
}