Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

[karo-tx-linux.git] / net / ipv6 / addrconf.c

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 61f26851655ccd23200278d34ceda44351da1c17..6936d0d8c6b1d4c0778d61ea4f09a44447629e5b 100644 (file)
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -5199,6 +5199,20 @@ int addrconf_sysctl_forward(struct ctl_table *ctl, int write,
        return ret;
 }
 
+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)
@@ -5454,7 +5468,7 @@ static struct addrconf_sysctl_table
                        .data           = &ipv6_devconf.hop_limit,
                        .maxlen         = sizeof(int),
                        .mode           = 0644,
-                       .proc_handler   = proc_dointvec,
+                       .proc_handler   = addrconf_sysctl_hop_limit,
                },
                {
                        .procname       = "mtu",