summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--mm/slub.c13
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);