static struct flex_array *fa_alloc(size_t elem_size, size_t elem_count,
gfp_t gfp)
{
struct flex_array *result;
int err;
result = flex_array_alloc(elem_size, elem_count, gfp);
if (result) {
err = flex_array_prealloc(result, 0, elem_count, gfp);
if (err) {
flex_array_free(result);
result = NULL;
}
}
return result;
}
void avtab_destroy(struct avtab *h)
{
int i;
struct avtab_node *cur, *temp;
if (!h || !h->htable)
return;
for (i = 0; i < h->nslot; i++) {
cur = flex_array_get_ptr(h->htable, i);
while (cur) {
temp = cur;
cur = cur->next;
kmem_cache_free(avtab_node_cachep, temp);
}
}
flex_array_free(h->htable);
h->htable = NULL;
h->nslot = 0;
h->mask = 0;
}
static struct flex_array *alloc_buckets(unsigned int n_buckets)
{
struct flex_array *buckets;
int i, err;
buckets = flex_array_alloc(sizeof(struct hlist_head *),
n_buckets, GFP_KERNEL);
if (!buckets)
return NULL;
err = flex_array_prealloc(buckets, 0, n_buckets, GFP_KERNEL);
if (err) {
flex_array_free(buckets);
return NULL;
}
for (i = 0; i < n_buckets; i++)
INIT_HLIST_HEAD((struct hlist_head *)
flex_array_get(buckets, i));
return buckets;
}
static void free_buckets(struct flex_array *buckets)
{
flex_array_free(buckets);
}
static void fa_free(struct flex_array *fa)
{
if (fa)
flex_array_free(fa);
}
