diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2019-11-14 16:17:24 +0300 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2019-11-16 01:44:51 +0300 |
| commit | 23403cd8898dbc9808d3eb2f63bc1db8a340b751 (patch) | |
| tree | f8ee7042ae1c64515f82cea2a40ecd4250606224 /net/netfilter | |
| parent | 6ca61c7a8bac2768359f67003ac696260fd0985e (diff) | |
| download | linux-23403cd8898dbc9808d3eb2f63bc1db8a340b751.tar.xz | |
netfilter: nf_tables_offload: release flow_rule on error from commit path
If hardware offload commit path fails, release all flow_rule objects.
Fixes: c9626a2cbdb2 ("netfilter: nf_tables: add hardware offload support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter')
| -rw-r--r-- | net/netfilter/nf_tables_offload.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/net/netfilter/nf_tables_offload.c b/net/netfilter/nf_tables_offload.c index 528886bb3481..6d5f3cd7f1b7 100644 --- a/net/netfilter/nf_tables_offload.c +++ b/net/netfilter/nf_tables_offload.c @@ -422,14 +422,14 @@ int nft_flow_rule_offload_commit(struct net *net) continue; if (trans->ctx.flags & NLM_F_REPLACE || - !(trans->ctx.flags & NLM_F_APPEND)) - return -EOPNOTSUPP; - + !(trans->ctx.flags & NLM_F_APPEND)) { + err = -EOPNOTSUPP; + break; + } err = nft_flow_offload_rule(trans->ctx.chain, nft_trans_rule(trans), nft_trans_flow_rule(trans), FLOW_CLS_REPLACE); - nft_flow_rule_destroy(nft_trans_flow_rule(trans)); break; case NFT_MSG_DELRULE: if (!(trans->ctx.chain->flags & NFT_CHAIN_HW_OFFLOAD)) @@ -442,7 +442,23 @@ int nft_flow_rule_offload_commit(struct net *net) } if (err) - return err; + break; + } + + list_for_each_entry(trans, &net->nft.commit_list, list) { + if (trans->ctx.family != NFPROTO_NETDEV) + continue; + + switch (trans->msg_type) { + case NFT_MSG_NEWRULE: + if (!(trans->ctx.chain->flags & NFT_CHAIN_HW_OFFLOAD)) + continue; + + nft_flow_rule_destroy(nft_trans_flow_rule(trans)); + break; + default: + break; + } } return err; |