[SCSI] libsas: SMP request handler shouldn't crash when rphy is NULL

[linux-2.6] / mm / slub.c

diff --git a/mm/slub.c b/mm/slub.c
index 1c5d6a068556c4adb038201c92adfc7fa5574050..9b2d6178d06ce7259941c6aafa7b20cf81228e40 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1853,7 +1853,9 @@ static void init_kmem_cache_node(struct kmem_cache_node *n)
        atomic_long_set(&n->nr_slabs, 0);
        spin_lock_init(&n->list_lock);
        INIT_LIST_HEAD(&n->partial);
+#ifdef CONFIG_SLUB_DEBUG
        INIT_LIST_HEAD(&n->full);
+#endif
 }
 
 #ifdef CONFIG_NUMA
@@ -1881,8 +1883,10 @@ static struct kmem_cache_node * __init early_kmem_cache_node_alloc(gfp_t gfpflag
        page->freelist = get_freepointer(kmalloc_caches, n);
        page->inuse++;
        kmalloc_caches->node[node] = n;
+#ifdef CONFIG_SLUB_DEBUG
        init_object(kmalloc_caches, n, 1);
        init_tracking(kmalloc_caches, n);
+#endif
        init_kmem_cache_node(n);
        atomic_long_inc(&n->nr_slabs);
        add_partial(n, page);
@@ -2390,7 +2394,7 @@ size_t ksize(const void *object)
        struct page *page;
        struct kmem_cache *s;
 
-       if (object == ZERO_SIZE_PTR)
+       if (ZERO_OR_NULL_PTR(object))
                return 0;
 
        page = get_object_page(object);
@@ -2664,12 +2668,10 @@ static struct kmem_cache *find_mergeable(size_t size,
 
 struct kmem_cache *kmem_cache_create(const char *name, size_t size,
                size_t align, unsigned long flags,
-               void (*ctor)(void *, struct kmem_cache *, unsigned long),
-               void (*dtor)(void *, struct kmem_cache *, unsigned long))
+               void (*ctor)(void *, struct kmem_cache *, unsigned long))
 {
        struct kmem_cache *s;
 
-       BUG_ON(dtor);
        down_write(&slub_lock);
        s = find_mergeable(size, align, flags, ctor);
        if (s) {