1 files changed, 4 insertions, 1 deletions

diff --git a/lib/kobject.c b/lib/kobject.c
index 0487d1f64806..bacf6fe4f7a0 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -212,12 +212,15 @@ static int kobject_add_internal(struct kobject *kobj)
  * @fmt: format string used to build the name
  * @vargs: vargs to format the string.
  */
-static int kobject_set_name_vargs(struct kobject *kobj, const char *fmt,
+int kobject_set_name_vargs(struct kobject *kobj, const char *fmt,
                                   va_list vargs)
 {
         const char *old_name = kobj->name;
         char *s;
 
+        if (kobj->name && !fmt)
+                return 0;
+
         kobj->name = kvasprintf(GFP_KERNEL, fmt, vargs);
         if (!kobj->name)
                 return -ENOMEM;