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netfilter: nf_tables: Drop dead code from fill_*_info routines

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This practically reverts commit 28339b21a3 ("netfilter: nf_tables: do
not send complete notification of deletions"): The feature was never
effective, due to prior modification of 'event' variable the conditional
early return never happened.

User space also relies upon the current behaviour, so better reintroduce
the shortened deletion notifications once it is fixed.

Fixes: 28339b21a3 ("netfilter: nf_tables: do not send complete notification of deletions")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Phil Sutter
2025-06-13 15:37:02 +02:00
committed by Pablo Neira Ayuso
parent fd72f265bb
commit 8080357a8c
1 changed files with 0 additions and 25 deletions
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25
net/netfilter/nf_tables_api.c
View File

@@ -1165,11 +1165,6 @@ static int nf_tables_fill_table_info(struct sk_buff *skb, struct net *net,
NFTA_TABLE_PAD))
goto nla_put_failure;
if (event == NFT_MSG_DELTABLE) {
nlmsg_end(skb, nlh);
return 0;
}
if (nla_put_be32(skb, NFTA_TABLE_FLAGS,
htonl(table->flags & NFT_TABLE_F_MASK)))
goto nla_put_failure;
@@ -2028,11 +2023,6 @@ static int nf_tables_fill_chain_info(struct sk_buff *skb, struct net *net,
NFTA_CHAIN_PAD))
goto nla_put_failure;
if (event == NFT_MSG_DELCHAIN && !hook_list) {
nlmsg_end(skb, nlh);
return 0;
}
if (nft_is_base_chain(chain)) {
const struct nft_base_chain *basechain = nft_base_chain(chain);
struct nft_stats __percpu *stats;
@@ -4859,11 +4849,6 @@ static int nf_tables_fill_set(struct sk_buff *skb, const struct nft_ctx *ctx,
NFTA_SET_PAD))
goto nla_put_failure;
if (event == NFT_MSG_DELSET) {
nlmsg_end(skb, nlh);
return 0;
}
if (set->flags != 0)
if (nla_put_be32(skb, NFTA_SET_FLAGS, htonl(set->flags)))
goto nla_put_failure;
@@ -8350,11 +8335,6 @@ static int nf_tables_fill_obj_info(struct sk_buff *skb, struct net *net,
NFTA_OBJ_PAD))
goto nla_put_failure;
if (event == NFT_MSG_DELOBJ) {
nlmsg_end(skb, nlh);
return 0;
}
if (nla_put_be32(skb, NFTA_OBJ_TYPE, htonl(obj->ops->type->type)) ||
nla_put_be32(skb, NFTA_OBJ_USE, htonl(obj->use)) ||
nft_object_dump(skb, NFTA_OBJ_DATA, obj, reset))
@@ -9394,11 +9374,6 @@ static int nf_tables_fill_flowtable_info(struct sk_buff *skb, struct net *net,
NFTA_FLOWTABLE_PAD))
goto nla_put_failure;
if (event == NFT_MSG_DELFLOWTABLE && !hook_list) {
nlmsg_end(skb, nlh);
return 0;
}
if (nla_put_be32(skb, NFTA_FLOWTABLE_USE, htonl(flowtable->use)) ||
nla_put_be32(skb, NFTA_FLOWTABLE_FLAGS, htonl(flowtable->data.flags)))
goto nla_put_failure;