summaryrefslogtreecommitdiff
path: root/net/ipv6/sysctl_net_ipv6.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv6/sysctl_net_ipv6.c')
-rw-r--r--net/ipv6/sysctl_net_ipv6.c36
1 files changed, 19 insertions, 17 deletions
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index d53dd142bf87..d2cd33e2698d 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -23,8 +23,6 @@
#endif
#include <linux/ioam6.h>
-static int two = 2;
-static int three = 3;
static int flowlabel_reflect_max = 0x7;
static int auto_flowlabels_max = IP6_AUTO_FLOW_LABEL_MAX;
static u32 rt6_multipath_hash_fields_all_mask =
@@ -32,7 +30,7 @@ static u32 rt6_multipath_hash_fields_all_mask =
static u32 ioam6_id_max = IOAM6_DEFAULT_ID;
static u64 ioam6_id_wide_max = IOAM6_DEFAULT_ID_WIDE;
-static int proc_rt6_multipath_hash_policy(struct ctl_table *table, int write,
+static int proc_rt6_multipath_hash_policy(const struct ctl_table *table, int write,
void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net;
@@ -48,7 +46,7 @@ static int proc_rt6_multipath_hash_policy(struct ctl_table *table, int write,
}
static int
-proc_rt6_multipath_hash_fields(struct ctl_table *table, int write, void *buffer,
+proc_rt6_multipath_hash_fields(const struct ctl_table *table, int write, void *buffer,
size_t *lenp, loff_t *ppos)
{
struct net *net;
@@ -172,7 +170,7 @@ static struct ctl_table ipv6_table_template[] = {
.mode = 0644,
.proc_handler = proc_rt6_multipath_hash_policy,
.extra1 = SYSCTL_ZERO,
- .extra2 = &three,
+ .extra2 = SYSCTL_THREE,
},
{
.procname = "fib_multipath_hash_fields",
@@ -197,7 +195,7 @@ static struct ctl_table ipv6_table_template[] = {
.mode = 0644,
.proc_handler = proc_dou8vec_minmax,
.extra1 = SYSCTL_ZERO,
- .extra2 = &two,
+ .extra2 = SYSCTL_TWO,
},
{
.procname = "ioam6_id",
@@ -215,7 +213,6 @@ static struct ctl_table ipv6_table_template[] = {
.proc_handler = proc_doulongvec_minmax,
.extra2 = &ioam6_id_wide_max,
},
- { }
};
static struct ctl_table ipv6_rotable[] = {
@@ -250,11 +247,11 @@ static struct ctl_table ipv6_rotable[] = {
.proc_handler = proc_dointvec,
},
#endif /* CONFIG_NETLABEL */
- { }
};
static int __net_init ipv6_sysctl_net_init(struct net *net)
{
+ size_t table_size = ARRAY_SIZE(ipv6_table_template);
struct ctl_table *ipv6_table;
struct ctl_table *ipv6_route_table;
struct ctl_table *ipv6_icmp_table;
@@ -266,7 +263,7 @@ static int __net_init ipv6_sysctl_net_init(struct net *net)
if (!ipv6_table)
goto out;
/* Update the variables to point into the current struct net */
- for (i = 0; i < ARRAY_SIZE(ipv6_table_template) - 1; i++)
+ for (i = 0; i < table_size; i++)
ipv6_table[i].data += (void *)net - (void *)&init_net;
ipv6_route_table = ipv6_route_sysctl_init(net);
@@ -277,17 +274,22 @@ static int __net_init ipv6_sysctl_net_init(struct net *net)
if (!ipv6_icmp_table)
goto out_ipv6_route_table;
- net->ipv6.sysctl.hdr = register_net_sysctl(net, "net/ipv6", ipv6_table);
+ net->ipv6.sysctl.hdr = register_net_sysctl_sz(net, "net/ipv6",
+ ipv6_table, table_size);
if (!net->ipv6.sysctl.hdr)
goto out_ipv6_icmp_table;
- net->ipv6.sysctl.route_hdr =
- register_net_sysctl(net, "net/ipv6/route", ipv6_route_table);
+ net->ipv6.sysctl.route_hdr = register_net_sysctl_sz(net,
+ "net/ipv6/route",
+ ipv6_route_table,
+ ipv6_route_sysctl_table_size(net));
if (!net->ipv6.sysctl.route_hdr)
goto out_unregister_ipv6_table;
- net->ipv6.sysctl.icmp_hdr =
- register_net_sysctl(net, "net/ipv6/icmp", ipv6_icmp_table);
+ net->ipv6.sysctl.icmp_hdr = register_net_sysctl_sz(net,
+ "net/ipv6/icmp",
+ ipv6_icmp_table,
+ ipv6_icmp_sysctl_table_size());
if (!net->ipv6.sysctl.icmp_hdr)
goto out_unregister_route_table;
@@ -309,9 +311,9 @@ out_ipv6_table:
static void __net_exit ipv6_sysctl_net_exit(struct net *net)
{
- struct ctl_table *ipv6_table;
- struct ctl_table *ipv6_route_table;
- struct ctl_table *ipv6_icmp_table;
+ const struct ctl_table *ipv6_table;
+ const struct ctl_table *ipv6_route_table;
+ const struct ctl_table *ipv6_icmp_table;
ipv6_table = net->ipv6.sysctl.hdr->ctl_table_arg;
ipv6_route_table = net->ipv6.sysctl.route_hdr->ctl_table_arg;