driver-core: make sysdev_class_register check kobject_set_name return value

sysdev_class_register should check the kobject_set_name return value.

Add the return value checking code.

Signed-off-by: Dave Young <hidave.darkstar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/base/sys.c b/drivers/base/sys.c
index 9742a78..162355c 100644 (file)
--- a/drivers/base/sys.c
+++ b/drivers/base/sys.c
@@ -131,6 +131,8 @@ static struct kset *system_kset;
 
 int sysdev_class_register(struct sysdev_class *cls)
 {
+       int retval;
+
        pr_debug("Registering sysdev class '%s'\n", cls->name);
 
        INIT_LIST_HEAD(&cls->drivers);
@@ -138,7 +140,11 @@ int sysdev_class_register(struct sysdev_class *cls)
        cls->kset.kobj.parent = &system_kset->kobj;
        cls->kset.kobj.ktype = &ktype_sysdev_class;
        cls->kset.kobj.kset = system_kset;
-       kobject_set_name(&cls->kset.kobj, cls->name);
+
+       retval = kobject_set_name(&cls->kset.kobj, cls->name);
+       if (retval)
+               return retval;
+
        return kset_register(&cls->kset);
 }