On Tue, May 04, 2004 at 11:09:08AM +0530, Maneesh Soni wrote: > On Fri, Apr 30, 2004 at 07:48:13AM -0500, Dmitry Torokhov wrote: > > On Friday 30 April 2004 05:14 am, Maneesh Soni wrote: I have to resend this. Sorry. Maneesh o The following patch cleansup the kobject_set_name() users. Basically checking return code from kobject_set_name(). There can be error returns like -ENOMEM or -EFAULT from kobject_set_name() if the name length exceeds KOBJ_NAME_LEN. drivers/base/bus.c | 14 +++++++++++--- drivers/base/sys.c | 5 ++++- 2 files changed, 15 insertions(+), 4 deletions(-) diff -upN reference/drivers/base/sys.c current/drivers/base/sys.c --- reference/drivers/base/sys.c 2004-04-07 14:54:04.000000000 -0700 +++ current/drivers/base/sys.c 2004-05-09 13:45:22.000000000 -0700 @@ -180,8 +180,11 @@ int sysdev_register(struct sys_device * /* But make sure we point to the right type for sysfs translation */ sysdev->kobj.ktype = &ktype_sysdev; - kobject_set_name(&sysdev->kobj,"%s%d", + error = kobject_set_name(&sysdev->kobj,"%s%d", kobject_name(&cls->kset.kobj),sysdev->id); + if (error) + return error; + pr_debug("Registering sys device '%s'\n",kobject_name(&sysdev->kobj)); /* Register the object */ diff -upN reference/drivers/base/bus.c current/drivers/base/bus.c --- reference/drivers/base/bus.c 2004-04-07 14:54:04.000000000 -0700 +++ current/drivers/base/bus.c 2004-05-09 13:45:22.000000000 -0700 @@ -451,7 +451,11 @@ int bus_add_driver(struct device_driver if (bus) { pr_debug("bus %s: add driver %s\n",bus->name,drv->name); - kobject_set_name(&drv->kobj,drv->name); + error = kobject_set_name(&drv->kobj,drv->name); + if (error) { + put_bus(bus); + return error; + } drv->kobj.kset = &bus->drivers; if ((error = kobject_register(&drv->kobj))) { put_bus(bus); @@ -555,7 +559,11 @@ struct bus_type * find_bus(char * name) */ int bus_register(struct bus_type * bus) { - kobject_set_name(&bus->subsys.kset.kobj,bus->name); + int error = 0; + + error = kobject_set_name(&bus->subsys.kset.kobj,bus->name); + if (error) + return error; subsys_set_kset(bus,bus_subsys); subsystem_register(&bus->subsys); @@ -569,7 +577,7 @@ int bus_register(struct bus_type * bus) kset_register(&bus->drivers); pr_debug("bus type '%s' registered\n",bus->name); - return 0; + return error; }