diff options
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/addrconf.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index d84742f003a9..a5de1a616c12 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -5200,6 +5200,20 @@ 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) { @@ -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", |