1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/base/class.c b/drivers/base/class.c
index e085af0ff94f..71ce3ff6bdf5 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -148,6 +148,10 @@ int class_register(struct class *cls)
         if (error)
                 return error;
 
+        /* set the default /sys/dev directory for devices of this class */
+        if (!cls->dev_kobj)
+                cls->dev_kobj = sysfs_dev_char_kobj;
+
 #if defined(CONFIG_SYSFS_DEPRECATED) && defined(CONFIG_BLOCK)
         /* let the block class directory show up in the root of sysfs */
         if (cls != &block_class)