[PATCH RFC v2 08/13] sysctl, net: update register_net_sysctl_sz(ARRAY_SIZE(table_tmpl)) with template arguments
Mauricio Faria de Oliveira
mfo at igalia.com
Tue Aug 18 19:28:07 PDT 2026
Reduce register_net_sysctl_sz(net, path, table, ARRAY_SIZE(table_tmpl)) to
register_net_sysctl(net, path, table, table_tmpl) which does it internally.
Signed-off-by: Mauricio Faria de Oliveira <mfo at igalia.com>
---
drivers/net/vrf.c | 3 +--
net/bridge/br_netfilter_hooks.c | 3 +--
net/ipv4/devinet.c | 3 +--
net/ipv4/ip_fragment.c | 3 +--
net/ipv4/xfrm4_policy.c | 3 +--
net/ipv6/netfilter/nf_conntrack_reasm.c | 4 ++--
net/ipv6/reassembly.c | 3 +--
net/ipv6/xfrm6_policy.c | 3 +--
net/mptcp/ctrl.c | 3 +--
net/netfilter/ipvs/ip_vs_ctl.c | 4 +---
net/netfilter/nf_conntrack_standalone.c | 5 ++---
net/rds/tcp.c | 4 ++--
net/unix/sysctl_net_unix.c | 3 +--
net/vmw_vsock/af_vsock.c | 4 ++--
14 files changed, 18 insertions(+), 30 deletions(-)
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index a0557a3a70260a404b2c2c6262e8466aec5be391..19dacbe69d6de81e2cf5cd2b6e750a25f9cef092 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -1875,8 +1875,7 @@ static int vrf_netns_init_sysctl(struct net *net, struct netns_vrf *nn_vrf)
/* init the extra1 parameter with the reference to current netns */
table[0].extra1 = net;
- nn_vrf->ctl_hdr = register_net_sysctl_sz(net, "net/vrf", table,
- ARRAY_SIZE(vrf_table));
+ nn_vrf->ctl_hdr = register_net_sysctl(net, "net/vrf", table, vrf_table);
if (!nn_vrf->ctl_hdr) {
kfree(table);
return -ENOMEM;
diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c
index 0a394e5f439168fc32f3beb08721bee063ca5f17..ce5deb724608cf01103581f7f3e57210ffb85657 100644
--- a/net/bridge/br_netfilter_hooks.c
+++ b/net/bridge/br_netfilter_hooks.c
@@ -1251,8 +1251,7 @@ static int br_netfilter_sysctl_init_net(struct net *net)
br_netfilter_sysctl_default(brnet);
- brnet->ctl_hdr = register_net_sysctl_sz(net, "net/bridge", table,
- ARRAY_SIZE(brnf_table));
+ brnet->ctl_hdr = register_net_sysctl(net, "net/bridge", table, brnf_table);
if (!brnet->ctl_hdr) {
if (!net_eq(net, &init_net))
kfree(table);
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index a466163dad7fe7f8b5b1c2897dd5fe548c288442..fad5483287c29f75a0c09aa833af389e51f36cfb 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -2884,8 +2884,7 @@ static __net_init int devinet_init_net(struct net *net)
goto err_reg_dflt;
err = -ENOMEM;
- forw_hdr = register_net_sysctl_sz(net, "net/ipv4", tbl,
- ARRAY_SIZE(ctl_forward_entry));
+ forw_hdr = register_net_sysctl(net, "net/ipv4", tbl, ctl_forward_entry);
if (!forw_hdr)
goto err_reg_ctl;
net->ipv4.forw_hdr = forw_hdr;
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index c790d2f494870e1debd7e73b2d67df017a29f8a8..122aae5b4a384c12db5786bc34314107b4794b63 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -604,8 +604,7 @@ static int __net_init ip4_frags_ns_ctl_register(struct net *net)
table[2].data = &net->ipv4.fqdir->timeout;
table[3].data = &net->ipv4.fqdir->max_dist;
- hdr = register_net_sysctl_sz(net, "net/ipv4", table,
- ARRAY_SIZE(ip4_frags_ns_ctl_table));
+ hdr = register_net_sysctl(net, "net/ipv4", table, ip4_frags_ns_ctl_table);
if (!hdr)
goto err_reg;
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index ab7a01029d490416d36482f7a3189f83d6670f42..cdd69d31a2757b0a23d65fb4b7d6d7de97c08706 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -177,8 +177,7 @@ static __net_init int xfrm4_net_sysctl_init(struct net *net)
goto err_alloc;
}
- hdr = register_net_sysctl_sz(net, "net/ipv4", table,
- ARRAY_SIZE(xfrm4_policy_table));
+ hdr = register_net_sysctl(net, "net/ipv4", table, xfrm4_policy_table);
if (!hdr)
goto err_reg;
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 599c49bf0a0afd5054e926a5f2b1f0677bcd8b4d..09c98f2b9c3a04f622b232987dbc6a72f41238b4 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -86,8 +86,8 @@ static int nf_ct_frag6_sysctl_register(struct net *net)
table[2].data = &nf_frag->fqdir->high_thresh;
table[2].extra1 = &nf_frag->fqdir->low_thresh;
- hdr = register_net_sysctl_sz(net, "net/netfilter", table,
- ARRAY_SIZE(nf_ct_frag6_sysctl_table));
+ hdr = register_net_sysctl(net, "net/netfilter", table,
+ nf_ct_frag6_sysctl_table);
if (hdr == NULL)
goto err_reg;
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 05c51f669754a1a10e944bb7c4433565bcaacb40..372c85b253fa1c2fe1f54765e2dea02f8ba047f9 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -471,8 +471,7 @@ static int __net_init ip6_frags_ns_sysctl_register(struct net *net)
table[1].extra2 = &net->ipv6.fqdir->high_thresh;
table[2].data = &net->ipv6.fqdir->timeout;
- hdr = register_net_sysctl_sz(net, "net/ipv6", table,
- ARRAY_SIZE(ip6_frags_ns_ctl_table));
+ hdr = register_net_sysctl(net, "net/ipv6", table, ip6_frags_ns_ctl_table);
if (!hdr)
goto err_reg;
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 5ec063cb4aa4378e70fff002dd03abf2029b247f..1c5a0ba14a7d03542d0691ea4c0f6a60443c20f6 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -223,8 +223,7 @@ static int __net_init xfrm6_net_sysctl_init(struct net *net)
goto err_alloc;
}
- hdr = register_net_sysctl_sz(net, "net/ipv6", table,
- ARRAY_SIZE(xfrm6_policy_table));
+ hdr = register_net_sysctl(net, "net/ipv6", table, xfrm6_policy_table);
if (!hdr)
goto err_reg;
diff --git a/net/mptcp/ctrl.c b/net/mptcp/ctrl.c
index 63c5747f0f63cf75e516f68ac6cdde5ba5522278..df87f20f72ab86506b69ea40b403002ebf828348 100644
--- a/net/mptcp/ctrl.c
+++ b/net/mptcp/ctrl.c
@@ -406,8 +406,7 @@ static int mptcp_pernet_new_table(struct net *net, struct mptcp_pernet *pernet)
/* table[12] is for available_path_managers which is read-only info */
table[13].data = &pernet->add_addr_v6_port_drop_ts;
- hdr = register_net_sysctl_sz(net, MPTCP_SYSCTL_PATH, table,
- ARRAY_SIZE(mptcp_sysctl_table));
+ hdr = register_net_sysctl(net, MPTCP_SYSCTL_PATH, table, mptcp_sysctl_table);
if (!hdr)
goto err_reg;
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 4c1c739446b76ea455dab2958a844d05e31a46a7..c65ccdebc285926ed993aeddc21d17b0e2cbef40 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -5048,7 +5048,6 @@ static int __net_init ip_vs_control_net_init_sysctl(struct netns_ipvs *ipvs)
struct net *net = ipvs->net;
struct ctl_table *tbl;
int idx, ret;
- size_t ctl_table_size = ARRAY_SIZE(vs_vars);
bool unpriv = net->user_ns != &init_user_ns;
atomic_set(&ipvs->dropentry, 0);
@@ -5166,8 +5165,7 @@ static int __net_init ip_vs_control_net_init_sysctl(struct netns_ipvs *ipvs)
#endif
ret = -ENOMEM;
- ipvs->sysctl_hdr = register_net_sysctl_sz(net, "net/ipv4/vs", tbl,
- ctl_table_size);
+ ipvs->sysctl_hdr = register_net_sysctl(net, "net/ipv4/vs", tbl, vs_vars);
if (!ipvs->sysctl_hdr)
goto err;
ipvs->sysctl_tbl = tbl;
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index f4f2d82192d54ed9831b9677743f1139820e5a2e..a2f70cf4cd665e55f8e182bdf45da89b39434e11 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -1043,9 +1043,8 @@ static int nf_conntrack_standalone_init_sysctl(struct net *net)
table[NF_SYSCTL_CT_BUCKETS].mode = 0444;
}
- cnet->sysctl_header = register_net_sysctl_sz(net, "net/netfilter",
- table,
- ARRAY_SIZE(nf_ct_sysctl_table));
+ cnet->sysctl_header = register_net_sysctl(net, "net/netfilter", table,
+ nf_ct_sysctl_table);
if (!cnet->sysctl_header)
goto out_unregister_netfilter;
diff --git a/net/rds/tcp.c b/net/rds/tcp.c
index b263634ac750d204a0d5726db6abe04023aa9c17..37fadb675faddf8e21f0aac04b96985ce3709bff 100644
--- a/net/rds/tcp.c
+++ b/net/rds/tcp.c
@@ -588,8 +588,8 @@ static __net_init int rds_tcp_init_net(struct net *net)
}
tbl[RDS_TCP_SNDBUF].data = &rtn->sndbuf_size;
tbl[RDS_TCP_RCVBUF].data = &rtn->rcvbuf_size;
- rtn->rds_tcp_sysctl = register_net_sysctl_sz(net, "net/rds/tcp", tbl,
- ARRAY_SIZE(rds_tcp_sysctl_table));
+ rtn->rds_tcp_sysctl = register_net_sysctl(net, "net/rds/tcp", tbl,
+ rds_tcp_sysctl_table);
if (!rtn->rds_tcp_sysctl) {
pr_warn("could not register sysctl\n");
err = -ENOMEM;
diff --git a/net/unix/sysctl_net_unix.c b/net/unix/sysctl_net_unix.c
index 47660d5726bbd7d812762f4feffa9a0a42499d7d..6d3d8d6905ace1c1b022951fab9b3f26c4a87c0a 100644
--- a/net/unix/sysctl_net_unix.c
+++ b/net/unix/sysctl_net_unix.c
@@ -48,8 +48,7 @@ int __net_init unix_sysctl_register(struct net *net)
goto err_alloc;
}
- net->unx.ctl = register_net_sysctl_sz(net, "net/unix", table,
- ARRAY_SIZE(unix_table));
+ net->unx.ctl = register_net_sysctl(net, "net/unix", table, unix_table);
if (net->unx.ctl == NULL)
goto err_reg;
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index caebef73ea58d2b6043ca3fe3b6872f92fbe9fa6..b1fe08249050e95d4c945a8b670f21d5c444ebf4 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -2952,8 +2952,8 @@ static int __net_init vsock_sysctl_register(struct net *net)
goto err_alloc;
}
- net->vsock.sysctl_hdr = register_net_sysctl_sz(net, "net/vsock", table,
- ARRAY_SIZE(vsock_table));
+ net->vsock.sysctl_hdr = register_net_sysctl(net, "net/vsock", table,
+ vsock_table);
if (!net->vsock.sysctl_hdr)
goto err_reg;
--
2.47.3
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