[PATCH 3/3] driver-core : make sysdev_class_register check kobject_set_name return value

[Dave Young]

sysdev_class_register should check the kobject_set_name return value.

Add the return value checking code.

Signed-off-by: Dave Young <hidave.darkstar@xxxxxxxxx>
---
drivers/base/sys.c |    8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff -uprN linux.old/drivers/base/sys.c linux.new/drivers/base/sys.c
--- linux.old/drivers/base/sys.c	2009-05-11 13:59:16.000000000 +0800
+++ linux.new/drivers/base/sys.c	2009-05-11 14:01:16.000000000 +0800
@@ -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_
 	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);
 }
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