net/ipv6: convert skip_notify_on_dev_down sysctl to u8

Save a bit a space, and could help future sysctls to
use the same pattern.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
index d44b2ee..5f2cfd8 100644 (file)
--- a/include/net/netns/ipv6.h
+++ b/include/net/netns/ipv6.h
@@ -53,7 +53,7 @@ struct netns_sysctl_ipv6 {
        int seg6_flowlabel;
        u32 ioam6_id;
        u64 ioam6_id_wide;
-       int skip_notify_on_dev_down;
+       u8 skip_notify_on_dev_down;
        u8 fib_notify_on_flag_change;
        u8 icmpv6_error_anycast_as_unicast;
 };

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index e3aec46..392aaa3 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -6412,9 +6412,9 @@ static struct ctl_table ipv6_route_table_template[] = {
        {
                .procname       =       "skip_notify_on_dev_down",
                .data           =       &init_net.ipv6.sysctl.skip_notify_on_dev_down,
-               .maxlen         =       sizeof(int),
+               .maxlen         =       sizeof(u8),
                .mode           =       0644,
-               .proc_handler   =       proc_dointvec_minmax,
+               .proc_handler   =       proc_dou8vec_minmax,
                .extra1         =       SYSCTL_ZERO,
                .extra2         =       SYSCTL_ONE,
        },