/proc/sys/net/ipv6/route/skip_notify_on_dev_down assumes given value to be
0 or 1. Use proc_dointvec_minmax instead of proc_dointvec.
Fixes: 7c6bb7d2faaf ("net/ipv6: Add knob to skip DELROUTE message ondevice down")
Signed-off-by: Eiichi Tsukata <devel@etsukata.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
                .data           =       &init_net.ipv6.sysctl.skip_notify_on_dev_down,
                .maxlen         =       sizeof(int),
                .mode           =       0644,
-               .proc_handler   =       proc_dointvec,
+               .proc_handler   =       proc_dointvec_minmax,
                .extra1         =       &zero,
                .extra2         =       &one,
        },