diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2017-07-18 20:03:05 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2017-07-19 11:53:30 +0200 |
| commit | f7fb77fc12352d15180dc3c08ffba10573d5167d (patch) | |
| tree | 8d99b058e03ae03ff922f51829923d4c429495ad /net/netfilter/nft_compat.c | |
| parent | 3840538ad384fb7891adeeaf36624f870c51fc0e (diff) | |
| download | linux-f7fb77fc12352d15180dc3c08ffba10573d5167d.tar.gz | |
netfilter: nft_compat: check extension hook mask only if set
If the x_tables extension comes with no hook mask, skip this validation.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/nft_compat.c')
| -rw-r--r-- | net/netfilter/nft_compat.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c index f5a7cb68694e76..b89f4f65b2a0fb 100644 --- a/net/netfilter/nft_compat.c +++ b/net/netfilter/nft_compat.c @@ -305,7 +305,7 @@ static int nft_target_validate(const struct nft_ctx *ctx, const struct nf_hook_ops *ops = &basechain->ops[0]; hook_mask = 1 << ops->hooknum; - if (!(hook_mask & target->hooks)) + if (target->hooks && !(hook_mask & target->hooks)) return -EINVAL; ret = nft_compat_chain_validate_dependency(target->table, @@ -484,7 +484,7 @@ static int nft_match_validate(const struct nft_ctx *ctx, const struct nf_hook_ops *ops = &basechain->ops[0]; hook_mask = 1 << ops->hooknum; - if (!(hook_mask & match->hooks)) + if (match->hooks && !(hook_mask & match->hooks)) return -EINVAL; ret = nft_compat_chain_validate_dependency(match->table, |