diff --git a/mm/slab.c b/mm/slab.c
index c31cd36..202465a 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2881,6 +2881,8 @@
 	unsigned int objnr;
 	struct slab *slabp;
 
+	BUG_ON(virt_to_cache(objp) != cachep);
+
 	objp -= obj_offset(cachep);
 	kfree_debugcheck(objp);
 	page = virt_to_head_page(objp);
@@ -3759,8 +3761,6 @@
 {
 	unsigned long flags;
 
-	BUG_ON(virt_to_cache(objp) != cachep);
-
 	local_irq_save(flags);
 	debug_check_no_locks_freed(objp, obj_size(cachep));
 	__cache_free(cachep, objp);