netfilter: nf_tables: disallow updates of implicit chain
authorPablo Neira Ayuso <pablo@netfilter.org>
Sun, 21 Aug 2022 08:28:25 +0000 (10:28 +0200)
committerPablo Neira Ayuso <pablo@netfilter.org>
Wed, 24 Aug 2022 05:43:20 +0000 (07:43 +0200)
commit5dc52d83baac30decf5f3b371d5eb41dfa1d1412
tree0e226ba90374d9daa0ed10e0ffcf1329ca7c44d2
parent18bbc3213383a82b05383827f4b1b882e3f0a5a5
netfilter: nf_tables: disallow updates of implicit chain

Updates on existing implicit chain make no sense, disallow this.

Fixes: d0e2c7de92c7 ("netfilter: nf_tables: add NFT_CHAIN_BINDING")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/nf_tables_api.c