diff --git a/[refs] b/[refs]
index 638450dd68b4..21b4b968a784 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a416561bf790d55db68b2980c2a6951981018041
+refs/heads/master: 6bcc4c01755fd2066bc374193cf3b0849cbabe47
diff --git a/trunk/arch/powerpc/kernel/sysfs.c b/trunk/arch/powerpc/kernel/sysfs.c
index d7835ba9fb8c..25d9a96484dd 100644
--- a/trunk/arch/powerpc/kernel/sysfs.c
+++ b/trunk/arch/powerpc/kernel/sysfs.c
@@ -440,12 +440,14 @@ int cpu_add_sysdev_attr_group(struct attribute_group *attrs)
 {
 	int cpu;
 	struct sys_device *sysdev;
+	int ret;
 
 	mutex_lock(&cpu_mutex);
 
 	for_each_possible_cpu(cpu) {
 		sysdev = get_cpu_sysdev(cpu);
-		sysfs_create_group(&sysdev->kobj, attrs);
+		ret = sysfs_create_group(&sysdev->kobj, attrs);
+		WARN_ON(ret != 0);
 	}
 
 	mutex_unlock(&cpu_mutex);