[PATCH 8/16] driver core fixes: bus_add_attrs() retval check

[Greg KH <greg@kroah.com>]

From: Cornelia Huck <cornelia.huck@de.ibm.com>

Check return value of bus_add_attrs() in bus_register().

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/base/bus.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 12173d1..b90f6e6 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -732,11 +732,15 @@ int bus_register(struct bus_type * bus)
 
 	klist_init(&bus->klist_devices, klist_devices_get, klist_devices_put);
 	klist_init(&bus->klist_drivers, NULL, NULL);
-	bus_add_attrs(bus);
+	retval = bus_add_attrs(bus);
+	if (retval)
+		goto bus_attrs_fail;
 
 	pr_debug("bus type '%s' registered\n", bus->name);
 	return 0;
 
+bus_attrs_fail:
+	kset_unregister(&bus->drivers);
 bus_drivers_fail:
 	kset_unregister(&bus->devices);
 bus_devices_fail:
-- 
1.4.2.4