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Diffstat (limited to 'target/linux/generic/backport-5.10/613-v5.15-01-netfilter-flowtable-remove-nf_ct_l4proto_find-call.patch')
-rw-r--r--target/linux/generic/backport-5.10/613-v5.15-01-netfilter-flowtable-remove-nf_ct_l4proto_find-call.patch47
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.10/613-v5.15-01-netfilter-flowtable-remove-nf_ct_l4proto_find-call.patch b/target/linux/generic/backport-5.10/613-v5.15-01-netfilter-flowtable-remove-nf_ct_l4proto_find-call.patch
new file mode 100644
index 0000000000..72accec50c
--- /dev/null
+++ b/target/linux/generic/backport-5.10/613-v5.15-01-netfilter-flowtable-remove-nf_ct_l4proto_find-call.patch
@@ -0,0 +1,47 @@
+From 92fb15513edc6ae1eb51f717e70d4d3d538c2d09 Mon Sep 17 00:00:00 2001
+From: Pablo Neira Ayuso <pablo@netfilter.org>
+Date: Mon, 19 Jul 2021 18:04:01 +0200
+Subject: [PATCH] netfilter: flowtable: remove nf_ct_l4proto_find() call
+
+TCP and UDP are built-in conntrack protocol trackers and the flowtable
+only supports for TCP and UDP, remove this call.
+
+Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
+---
+ net/netfilter/nf_flow_table_core.c | 10 ----------
+ 1 file changed, 10 deletions(-)
+
+--- a/net/netfilter/nf_flow_table_core.c
++++ b/net/netfilter/nf_flow_table_core.c
+@@ -180,15 +180,10 @@ static void flow_offload_fixup_tcp(struc
+
+ static void flow_offload_fixup_ct_timeout(struct nf_conn *ct)
+ {
+- const struct nf_conntrack_l4proto *l4proto;
+ struct net *net = nf_ct_net(ct);
+ int l4num = nf_ct_protonum(ct);
+ unsigned int timeout;
+
+- l4proto = nf_ct_l4proto_find(l4num);
+- if (!l4proto)
+- return;
+-
+ if (l4num == IPPROTO_TCP) {
+ struct nf_tcp_net *tn = nf_tcp_pernet(net);
+
+@@ -273,15 +268,10 @@ static const struct rhashtable_params nf
+
+ unsigned long flow_offload_get_timeout(struct flow_offload *flow)
+ {
+- const struct nf_conntrack_l4proto *l4proto;
+ unsigned long timeout = NF_FLOW_TIMEOUT;
+ struct net *net = nf_ct_net(flow->ct);
+ int l4num = nf_ct_protonum(flow->ct);
+
+- l4proto = nf_ct_l4proto_find(l4num);
+- if (!l4proto)
+- return timeout;
+-
+ if (l4num == IPPROTO_TCP) {
+ struct nf_tcp_net *tn = nf_tcp_pernet(net);
+