[07/12] driver core fixes: bus_add_device() cleanup on error

From: Cornelia Huck
Date: Wed Sep 13 2006 - 12:39:07 EST


From: Cornelia Huck <cornelia.huck@xxxxxxxxxx>

Correct cleanup in the error path of bus_add_device().

Signed-off-by: Cornelia Huck <cornelia.huck@xxxxxxxxxx>

bus.c | 18 ++++++++++++++----
1 file changed, 14 insertions(+), 4 deletions(-)

--- linux-2.6.18-rc6/drivers/base/bus.c 2006-09-12 17:18:25.000000000 +0200
+++ linux-2.6.18-rc6+CH/drivers/base/bus.c 2006-09-12 17:17:47.000000000 +0200
@@ -372,18 +372,28 @@ 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 = sysfs_create_link(&dev->kobj,
&dev->bus->subsys.kset.kobj, "bus");
- }
+ if (!error)
+ goto out;
+ } else
+ goto out;
+ 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);
out:
return error;
}
-
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