target/linux/generic/backport-4.14/331-v4.16-netfilter-nf_tables-no-need-for-struct-nft_af_info-t.patch

   1 From: Pablo Neira Ayuso <pablo@netfilter.org>
   2 Date: Tue, 19 Dec 2017 12:17:52 +0100
   3 Subject: [PATCH] netfilter: nf_tables: no need for struct nft_af_info to
   4  enable/disable table
   5
   6 nf_tables_table_enable() and nf_tables_table_disable() take a pointer to
   7 struct nft_af_info that is never used, remove it.
   8
   9 Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
  10 ---
  11
  12 --- a/net/netfilter/nf_tables_api.c
  13 +++ b/net/netfilter/nf_tables_api.c
  14 @@ -611,10 +611,7 @@ err:
  15         return err;
  16  }
  17
  18 -static void _nf_tables_table_disable(struct net *net,
  19 -                                    const struct nft_af_info *afi,
  20 -                                    struct nft_table *table,
  21 -                                    u32 cnt)
  22 +static void nft_table_disable(struct net *net, struct nft_table *table, u32 cnt)
  23  {
  24         struct nft_chain *chain;
  25         u32 i = 0;
  26 @@ -632,9 +629,7 @@ static void _nf_tables_table_disable(str
  27         }
  28  }
  29
  30 -static int nf_tables_table_enable(struct net *net,
  31 -                                 const struct nft_af_info *afi,
  32 -                                 struct nft_table *table)
  33 +static int nf_tables_table_enable(struct net *net, struct nft_table *table)
  34  {
  35         struct nft_chain *chain;
  36         int err, i = 0;
  37 @@ -654,15 +649,13 @@ static int nf_tables_table_enable(struct
  38         return 0;
  39  err:
  40         if (i)
  41 -               _nf_tables_table_disable(net, afi, table, i);
  42 +               nft_table_disable(net, table, i);
  43         return err;
  44  }
  45
  46 -static void nf_tables_table_disable(struct net *net,
  47 -                                   const struct nft_af_info *afi,
  48 -                                   struct nft_table *table)
  49 +static void nf_tables_table_disable(struct net *net, struct nft_table *table)
  50  {
  51 -       _nf_tables_table_disable(net, afi, table, 0);
  52 +       nft_table_disable(net, table, 0);
  53  }
  54
  55  static int nf_tables_updtable(struct nft_ctx *ctx)
  56 @@ -691,7 +684,7 @@ static int nf_tables_updtable(struct nft
  57                 nft_trans_table_enable(trans) = false;
  58         } else if (!(flags & NFT_TABLE_F_DORMANT) &&
  59                    ctx->table->flags & NFT_TABLE_F_DORMANT) {
  60 -               ret = nf_tables_table_enable(ctx->net, ctx->afi, ctx->table);
  61 +               ret = nf_tables_table_enable(ctx->net, ctx->table);
  62                 if (ret >= 0) {
  63                         ctx->table->flags &= ~NFT_TABLE_F_DORMANT;
  64                         nft_trans_table_enable(trans) = true;
  65 @@ -5721,7 +5714,6 @@ static int nf_tables_commit(struct net *
  66                         if (nft_trans_table_update(trans)) {
  67                                 if (!nft_trans_table_enable(trans)) {
  68                                         nf_tables_table_disable(net,
  69 -                                                               trans->ctx.afi,
  70                                                                 trans->ctx.table);
  71                                         trans->ctx.table->flags |= NFT_TABLE_F_DORMANT;
  72                                 }
  73 @@ -5883,7 +5875,6 @@ static int nf_tables_abort(struct net *n
  74                         if (nft_trans_table_update(trans)) {
  75                                 if (nft_trans_table_enable(trans)) {
  76                                         nf_tables_table_disable(net,
  77 -                                                               trans->ctx.afi,
  78                                                                 trans->ctx.table);
  79                                         trans->ctx.table->flags |= NFT_TABLE_F_DORMANT;
  80                                 }