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 <pablo@xxxxxxxxxxxxx>
---
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 38dc00f7e32e..b418214cb846 100644
--- a/net/netfilter/nf_tables_offload.c
+++ b/net/netfilter/nf_tables_offload.c
@@ -401,7 +401,8 @@ 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);
--
2.11.0
