- ssize_t buf_len;
-
- buf_len = NETLBL_LEN_U32;
- rcu_read_lock();
- list_for_each_entry_rcu(iter, &cipso_v4_doi_list, list)
- if (iter->valid) {
- doi_cnt += 1;
- buf_len += 2 * NETLBL_LEN_U32;
- }
-
- skb = netlbl_netlink_alloc_skb(headroom, buf_len, GFP_ATOMIC);
- if (skb == NULL)
- goto doi_dump_all_failure;
-
- if (nla_put_u32(skb, NLA_U32, doi_cnt) != 0)
- goto doi_dump_all_failure;
- buf_len -= NETLBL_LEN_U32;
- list_for_each_entry_rcu(iter, &cipso_v4_doi_list, list)
- if (iter->valid) {
- if (buf_len < 2 * NETLBL_LEN_U32)
- goto doi_dump_all_failure;
- if (nla_put_u32(skb, NLA_U32, iter->doi) != 0)
- goto doi_dump_all_failure;
- if (nla_put_u32(skb, NLA_U32, iter->type) != 0)
- goto doi_dump_all_failure;
- buf_len -= 2 * NETLBL_LEN_U32;
- }
- rcu_read_unlock();
-
- return skb;
-
-doi_dump_all_failure:
- rcu_read_unlock();
- kfree(skb);
- return NULL;
-}
-
-/**
- * cipso_v4_doi_dump - Dump a CIPSO DOI definition into a sk_buff
- * @doi: the DOI value
- * @headroom: the amount of headroom to allocate for the sk_buff
- *
- * Description:
- * Lookup the DOI definition matching @doi and dump it's contents into a
- * sk_buff. The returned sk_buff has room at the front of the sk_buff for
- * @headroom bytes. See net/netlabel/netlabel_cipso_v4.h for the LIST message
- * format. This function may fail if another process is changing the DOI list
- * at the same time. Returns a pointer to a sk_buff on success, NULL on error.
- *
- */
-struct sk_buff *cipso_v4_doi_dump(u32 doi, size_t headroom)
-{
- struct sk_buff *skb = NULL;
- struct cipso_v4_doi *iter;
- u32 tag_cnt = 0;
- u32 lvl_cnt = 0;
- u32 cat_cnt = 0;
- ssize_t buf_len;
- ssize_t tmp;