diff options
Diffstat (limited to 'mm/slab_common.c')
| -rw-r--r-- | mm/slab_common.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c index 7df814e8fbea..f18c06fd97c7 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -100,6 +100,7 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size, size_t align { struct kmem_cache *s = NULL; int err = 0; + char *n; get_online_cpus(); mutex_lock(&slab_mutex); @@ -108,16 +109,26 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size, size_t align goto out_locked; - s = __kmem_cache_create(name, size, align, flags, ctor); - if (!s) - err = -ENOSYS; /* Until __kmem_cache_create returns code */ + n = kstrdup(name, GFP_KERNEL); + if (!n) { + err = -ENOMEM; + goto out_locked; + } + + s = __kmem_cache_create(n, size, align, flags, ctor); + + if (s) { + /* + * Check if the slab has actually been created and if it was a + * real instatiation. Aliases do not belong on the list + */ + if (s->refcount == 1) + list_add(&s->list, &slab_caches); - /* - * Check if the slab has actually been created and if it was a - * real instatiation. Aliases do not belong on the list - */ - if (s && s->refcount == 1) - list_add(&s->list, &slab_caches); + } else { + kfree(n); + err = -ENOSYS; /* Until __kmem_cache_create returns code */ + } out_locked: mutex_unlock(&slab_mutex); @@ -153,6 +164,7 @@ void kmem_cache_destroy(struct kmem_cache *s) if (s->flags & SLAB_DESTROY_BY_RCU) rcu_barrier(); + kfree(s->name); kmem_cache_free(kmem_cache, s); } else { list_add(&s->list, &slab_caches); |