1 files changed, 11 insertions, 2 deletions

diff --git a/mm/slub.c b/mm/slub.c
index 704cfa34f9ab..d057ceb3645f 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3124,8 +3124,12 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size,
                 s->inuse = max_t(int, s->inuse, ALIGN(size, sizeof(void *)));
                 up_write(&slub_lock);
 
-                if (sysfs_slab_alias(s, name))
+                if (sysfs_slab_alias(s, name)) {
+                        down_write(&slub_lock);
+                        s->refcount--;
+                        up_write(&slub_lock);
                         goto err;
+                }
                 return s;
         }
 
@@ -3135,8 +3139,13 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size,
                                 size, align, flags, ctor)) {
                         list_add(&s->list, &slab_caches);
                         up_write(&slub_lock);
-                        if (sysfs_slab_add(s))
+                        if (sysfs_slab_add(s)) {
+                                down_write(&slub_lock);
+                                list_del(&s->list);
+                                up_write(&slub_lock);
+                                kfree(s);
                                 goto err;
+                        }
                         return s;
                 }
                 kfree(s);