From 88c749840dff58e7a40e18bf9bdace15f27ef259 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Mon, 4 Nov 2019 14:52:42 +0100 Subject: [PATCH] netfilter: nf_tables_offload: skip EBUSY on chain update Do not try to bind a chain again if it exists, otherwise the driver returns EBUSY. Fixes: c9626a2cbdb2 ("netfilter: nf_tables: add hardware offload support") Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nf_tables_offload.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/netfilter/nf_tables_offload.c b/net/netfilter/nf_tables_offload.c index ad783f4840ef..e25dab8128db 100644 --- a/net/netfilter/nf_tables_offload.c +++ b/net/netfilter/nf_tables_offload.c @@ -334,7 +334,8 @@ int nft_flow_rule_offload_commit(struct net *net) switch (trans->msg_type) { case NFT_MSG_NEWCHAIN: - if (!(trans->ctx.chain->flags & NFT_CHAIN_HW_OFFLOAD)) + if (!(trans->ctx.chain->flags & NFT_CHAIN_HW_OFFLOAD) || + nft_trans_chain_update(trans)) continue; policy = nft_trans_chain_policy(trans);