kobject: Export kobject_get_unless_zero()

[karo-tx-linux.git] / lib / kobject.c

diff --git a/lib/kobject.c b/lib/kobject.c
index 445dcaeb0f56de7882a1b1278a90ef7931f4099c..763d70a189410cb7307b87474801a662f631f806 100644 (file)
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -601,12 +601,15 @@ struct kobject *kobject_get(struct kobject *kobj)
 }
 EXPORT_SYMBOL(kobject_get);
 
-static struct kobject * __must_check kobject_get_unless_zero(struct kobject *kobj)
+struct kobject * __must_check kobject_get_unless_zero(struct kobject *kobj)
 {
+       if (!kobj)
+               return NULL;
        if (!kref_get_unless_zero(&kobj->kref))
                kobj = NULL;
        return kobj;
 }
+EXPORT_SYMBOL(kobject_get_unless_zero);
 
 /*
  * kobject_cleanup - free kobject resources.