diff options
Diffstat (limited to 'net/netfilter/nf_tables_api.c')
-rw-r--r-- | net/netfilter/nf_tables_api.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index b8035c2..deeb95f 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -899,6 +899,9 @@ static struct nft_stats __percpu *nft_stats_alloc(const struct nlattr *attr) static void nft_chain_stats_replace(struct nft_base_chain *chain, struct nft_stats __percpu *newstats) { + if (newstats == NULL) + return; + if (chain->stats) { struct nft_stats __percpu *oldstats = nft_dereference(chain->stats); @@ -3134,16 +3137,13 @@ static int nft_del_setelem(struct nft_ctx *ctx, struct nft_set *set, goto err2; trans = nft_trans_elem_alloc(ctx, NFT_MSG_DELSETELEM, set); - if (trans == NULL) + if (trans == NULL) { + err = -ENOMEM; goto err2; + } nft_trans_elem(trans) = elem; list_add_tail(&trans->list, &ctx->net->nft.commit_list); - - nft_data_uninit(&elem.key, NFT_DATA_VALUE); - if (set->flags & NFT_SET_MAP) - nft_data_uninit(&elem.data, set->dtype); - return 0; err2: nft_data_uninit(&elem.key, desc.type); @@ -3310,7 +3310,7 @@ static int nf_tables_commit(struct sk_buff *skb) { struct net *net = sock_net(skb->sk); struct nft_trans *trans, *next; - struct nft_set *set; + struct nft_trans_elem *te; /* Bump generation counter, invalidate any dump in progress */ while (++net->nft.base_seq == 0); @@ -3396,13 +3396,17 @@ static int nf_tables_commit(struct sk_buff *skb) nft_trans_destroy(trans); break; case NFT_MSG_DELSETELEM: - nf_tables_setelem_notify(&trans->ctx, - nft_trans_elem_set(trans), - &nft_trans_elem(trans), + te = (struct nft_trans_elem *)trans->data; + nf_tables_setelem_notify(&trans->ctx, te->set, + &te->elem, NFT_MSG_DELSETELEM, 0); - set = nft_trans_elem_set(trans); - set->ops->get(set, &nft_trans_elem(trans)); - set->ops->remove(set, &nft_trans_elem(trans)); + te->set->ops->get(te->set, &te->elem); + te->set->ops->remove(te->set, &te->elem); + nft_data_uninit(&te->elem.key, NFT_DATA_VALUE); + if (te->elem.flags & NFT_SET_MAP) { + nft_data_uninit(&te->elem.data, + te->set->dtype); + } nft_trans_destroy(trans); break; } |