diff options
| author |   Laura Garcia Liebana <nevola@gmail.com> | 2019-09-24 14:42:44 +0200 |
|---|---|---|
| committer |   Pablo Neira Ayuso <pablo@netfilter.org> | 2019-09-25 11:01:19 +0200 |
| commit | 9b05b6e11d5e93a3a517cadc12b9836e0470c255 (patch) | |
| tree | 7f9d5446bf010d0dd518639b91f895636663c925 /net/netfilter/nf_tables_api.c | |
| parent | netfilter: ebtables: use __u8 instead of uint8_t in uapi header (diff) | |
| download | linux-dev-9b05b6e11d5e93a3a517cadc12b9836e0470c255.tar.xz linux-dev-9b05b6e11d5e93a3a517cadc12b9836e0470c255.zip | |
netfilter: nf_tables: bogus EBUSY when deleting flowtable after flush
The deletion of a flowtable after a flush in the same transaction
results in EBUSY. This patch adds an activation and deactivation of
flowtables in order to update the _use_ counter.
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/nf_tables_api.c')
| -rw-r--r-- | net/netfilter/nf_tables_api.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 6dc46f9b5f7b..d481f9baca2f 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -5598,6 +5598,22 @@ struct nft_flowtable *nft_flowtable_lookup(const struct nft_table *table, } EXPORT_SYMBOL_GPL(nft_flowtable_lookup); +void nf_tables_deactivate_flowtable(const struct nft_ctx *ctx, + struct nft_flowtable *flowtable, + enum nft_trans_phase phase) +{ + switch (phase) { + case NFT_TRANS_PREPARE: + case NFT_TRANS_ABORT: + case NFT_TRANS_RELEASE: + flowtable->use--; + /* fall through */ + default: + return; + } +} +EXPORT_SYMBOL_GPL(nf_tables_deactivate_flowtable); + static struct nft_flowtable * nft_flowtable_lookup_byhandle(const struct nft_table *table, const struct nlattr *nla, u8 genmask) |