[POWERPC] Remove warning in arch/powerpc/kernel/sysfs.c

Fixes:

arch/powerpc/kernel/sysfs.c: In function 'cpu_add_sysdev_attr_group':
arch/powerpc/kernel/sysfs.c:388: warning: ignoring return value of
	'sysfs_create_group', declared with attribute warn_unused_result

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index d7835ba9fb8c..25d9a96484dd 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/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);