diff --git a/net/llc/sysctl_net_llc.c b/net/llc/sysctl_net_llc.c
index 8443a6d841b0..72e101135f8c 100644
--- a/net/llc/sysctl_net_llc.c
+++ b/net/llc/sysctl_net_llc.c
@@ -44,11 +44,6 @@ static struct ctl_table llc2_timeout_table[] = {
 		.mode		= 0644,
 		.proc_handler   = proc_dointvec_jiffies,
 	},
-	{ },
-};
-
-static struct ctl_table llc_station_table[] = {
-	{ },
 };
 
 static struct ctl_table_header *llc2_timeout_header;
@@ -56,8 +51,9 @@ static struct ctl_table_header *llc_station_header;
 
 int __init llc_sysctl_init(void)
 {
+	struct ctl_table empty[1] = {};
 	llc2_timeout_header = register_net_sysctl(&init_net, "net/llc/llc2/timeout", llc2_timeout_table);
-	llc_station_header = register_net_sysctl(&init_net, "net/llc/station", llc_station_table);
+	llc_station_header = register_net_sysctl_sz(&init_net, "net/llc/station", empty, 0);
 
 	if (!llc2_timeout_header || !llc_station_header) {
 		llc_sysctl_exit();
diff --git a/net/mptcp/ctrl.c b/net/mptcp/ctrl.c
index 8d661156ab8c..f4e7a53acc5a 100644
--- a/net/mptcp/ctrl.c
+++ b/net/mptcp/ctrl.c
@@ -156,7 +156,6 @@ static struct ctl_table mptcp_sysctl_table[] = {
 		.mode = 0644,
 		.proc_handler = proc_dointvec_jiffies,
 	},
-	{}
 };
 
 static int mptcp_pernet_new_table(struct net *net, struct mptcp_pernet *pernet)
diff --git a/net/netrom/sysctl_net_netrom.c b/net/netrom/sysctl_net_netrom.c
index 79fb2d3f477b..7dc0fa628f2e 100644
--- a/net/netrom/sysctl_net_netrom.c
+++ b/net/netrom/sysctl_net_netrom.c
@@ -140,7 +140,6 @@ static struct ctl_table nr_table[] = {
 		.extra1		= &min_reset,
 		.extra2		= &max_reset
 	},
-	{ }
 };
 
 int __init nr_register_sysctl(void)
diff --git a/net/phonet/sysctl.c b/net/phonet/sysctl.c
index 0d0bf41381c2..82fc22467a09 100644
--- a/net/phonet/sysctl.c
+++ b/net/phonet/sysctl.c
@@ -81,7 +81,6 @@ static struct ctl_table phonet_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_local_port_range,
 	},
-	{ }
 };
 
 int __init phonet_sysctl_init(void)
diff --git a/net/rose/sysctl_net_rose.c b/net/rose/sysctl_net_rose.c
index d391d7758f52..d801315b7083 100644
--- a/net/rose/sysctl_net_rose.c
+++ b/net/rose/sysctl_net_rose.c
@@ -112,7 +112,6 @@ static struct ctl_table rose_table[] = {
 		.extra1		= &min_window,
 		.extra2		= &max_window
 	},
-	{ }
 };
 
 void __init rose_register_sysctl(void)
diff --git a/net/rxrpc/sysctl.c b/net/rxrpc/sysctl.c
index c9bedd0e2d86..9bf9a1f6e4cb 100644
--- a/net/rxrpc/sysctl.c
+++ b/net/rxrpc/sysctl.c
@@ -127,7 +127,6 @@ static struct ctl_table rxrpc_sysctl_table[] = {
 		.extra1		= (void *)SYSCTL_ONE,
 		.extra2		= (void *)&four,
 	},
-	{ }
 };
 
 int __init rxrpc_sysctl_init(void)
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 25bdf17c7262..61c6f3027e7f 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -80,8 +80,6 @@ static struct ctl_table sctp_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
-
-	{ /* sentinel */ }
 };
 
 /* The following index defines are used in sctp_sysctl_net_register().
@@ -384,8 +382,6 @@ static struct ctl_table sctp_net_table[] = {
 		.extra1		= SYSCTL_ZERO,
 		.extra2		= &pf_expose_max,
 	},
-
-	{ /* sentinel */ }
 };
 
 static int proc_sctp_do_hmac_alg(struct ctl_table *ctl, int write,
@@ -597,6 +593,7 @@ static int proc_sctp_do_probe_interval(struct ctl_table *ctl, int write,
 
 int sctp_sysctl_net_register(struct net *net)
 {
+	size_t table_size = ARRAY_SIZE(sctp_net_table);
 	struct ctl_table *table;
 	int i;
 
@@ -604,7 +601,7 @@ int sctp_sysctl_net_register(struct net *net)
 	if (!table)
 		return -ENOMEM;
 
-	for (i = 0; table[i].data; i++)
+	for (i = 0; i < table_size; i++)
 		table[i].data += (char *)(&net->sctp) - (char *)&init_net.sctp;
 
 	table[SCTP_RTO_MIN_IDX].extra2 = &net->sctp.rto_max;
@@ -613,8 +610,7 @@ int sctp_sysctl_net_register(struct net *net)
 	table[SCTP_PS_RETRANS_IDX].extra1 = &net->sctp.pf_retrans;
 
 	net->sctp.sysctl_header = register_net_sysctl_sz(net, "net/sctp",
-							 table,
-							 ARRAY_SIZE(sctp_net_table));
+							 table, table_size);
 	if (net->sctp.sysctl_header == NULL) {
 		kfree(table);
 		return -ENOMEM;
diff --git a/net/smc/smc_sysctl.c b/net/smc/smc_sysctl.c
index 4e8baa2e7ea4..13f2bc092db1 100644
--- a/net/smc/smc_sysctl.c
+++ b/net/smc/smc_sysctl.c
@@ -90,11 +90,11 @@ static struct ctl_table smc_table[] = {
 		.extra1		= &conns_per_lgr_min,
 		.extra2		= &conns_per_lgr_max,
 	},
-	{  }
 };
 
 int __net_init smc_sysctl_net_init(struct net *net)
 {
+	size_t table_size = ARRAY_SIZE(smc_table);
 	struct ctl_table *table;
 
 	table = smc_table;
@@ -105,12 +105,12 @@ int __net_init smc_sysctl_net_init(struct net *net)
 		if (!table)
 			goto err_alloc;
 
-		for (i = 0; i < ARRAY_SIZE(smc_table) - 1; i++)
+		for (i = 0; i < table_size; i++)
 			table[i].data += (void *)net - (void *)&init_net;
 	}
 
 	net->smc.smc_hdr = register_net_sysctl_sz(net, "net/smc", table,
-						  ARRAY_SIZE(smc_table));
+						  table_size);
 	if (!net->smc.smc_hdr)
 		goto err_reg;
 
diff --git a/net/tipc/sysctl.c b/net/tipc/sysctl.c
index 9fb65c988f7f..30d2e06e3d8c 100644
--- a/net/tipc/sysctl.c
+++ b/net/tipc/sysctl.c
@@ -91,7 +91,6 @@ static struct ctl_table tipc_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_doulongvec_minmax,
 	},
-	{}
 };
 
 int tipc_register_sysctl(void)
diff --git a/net/xfrm/xfrm_sysctl.c b/net/xfrm/xfrm_sysctl.c
index e972930c292b..ca003e8a0376 100644
--- a/net/xfrm/xfrm_sysctl.c
+++ b/net/xfrm/xfrm_sysctl.c
@@ -38,7 +38,6 @@ static struct ctl_table xfrm_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec
 	},
-	{}
 };
 
 int __net_init xfrm_sysctl_init(struct net *net)
@@ -57,10 +56,8 @@ int __net_init xfrm_sysctl_init(struct net *net)
 	table[3].data = &net->xfrm.sysctl_acq_expires;
 
 	/* Don't export sysctls to unprivileged users */
-	if (net->user_ns != &init_user_ns) {
-		table[0].procname = NULL;
+	if (net->user_ns != &init_user_ns)
 		table_size = 0;
-	}
 
 	net->xfrm.sysctl_hdr = register_net_sysctl_sz(net, "net/core", table,
 						      table_size);