[PATCH v5 2/7] ipv6 addrconf: remove addrconf_sysctl_hop_limit()

[Maciej Żenczykowski]

From: Maciej Żenczykowski <m...@google.com>

replace with extra1/2 magic

Signed-off-by: Maciej Żenczykowski <m...@google.com>
---
 net/ipv6/addrconf.c | 21 ++++++---------------
 1 file changed, 6 insertions(+), 15 deletions(-)

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 11fa1a5564d4..8bd2d06eefe7 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -5467,20 +5467,6 @@ int addrconf_sysctl_forward(struct ctl_table *ctl, int 
write,
 }
 
 static
-int addrconf_sysctl_hop_limit(struct ctl_table *ctl, int write,
-                              void __user *buffer, size_t *lenp, loff_t *ppos)
-{
-       struct ctl_table lctl;
-       int min_hl = 1, max_hl = 255;
-
-       lctl = *ctl;
-       lctl.extra1 = &min_hl;
-       lctl.extra2 = &max_hl;
-
-       return proc_dointvec_minmax(&lctl, write, buffer, lenp, ppos);
-}
-
-static
 int addrconf_sysctl_mtu(struct ctl_table *ctl, int write,
                        void __user *buffer, size_t *lenp, loff_t *ppos)
 {
@@ -5713,6 +5699,9 @@ int addrconf_sysctl_ignore_routes_with_linkdown(struct 
ctl_table *ctl,
        return ret;
 }
 
+static const int one = 1;
+static const int two_five_five = 255;
+
 static const struct ctl_table addrconf_sysctl[] = {
        {
                .procname       = "forwarding",
@@ -5726,7 +5715,9 @@ static const struct ctl_table addrconf_sysctl[] = {
                .data           = &ipv6_devconf.hop_limit,
                .maxlen         = sizeof(int),
                .mode           = 0644,
-               .proc_handler   = addrconf_sysctl_hop_limit,
+               .proc_handler   = proc_dointvec_minmax,
+               .extra1         = (void *)&one,
+               .extra2         = (void *)&two_five_five,
        },
        {
                .procname       = "mtu",
-- 
2.8.0.rc3.226.g39d4020