net: fix icmp_echo_enable_probe sysctl
authorEric Dumazet <edumazet@google.com>
Tue, 30 Mar 2021 21:06:13 +0000 (14:06 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 31 Mar 2021 00:38:43 +0000 (17:38 -0700)
sysctl_icmp_echo_enable_probe is an u8.

ipv4_net_table entry should use
 .maxlen       = sizeof(u8).
 .proc_handler = proc_dou8vec_minmax,

Fixes: f1b8fa9fa586 ("net: add sysctl for enabling RFC 8335 PROBE messages")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Andreas Roeseler <andreas.a.roeseler@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/sysctl_net_ipv4.c

index e3cb2d9..9199f50 100644 (file)
@@ -601,9 +601,9 @@ static struct ctl_table ipv4_net_table[] = {
        {
                .procname       = "icmp_echo_enable_probe",
                .data           = &init_net.ipv4.sysctl_icmp_echo_enable_probe,
-               .maxlen         = sizeof(int),
+               .maxlen         = sizeof(u8),
                .mode           = 0644,
-               .proc_handler   = proc_dointvec_minmax,
+               .proc_handler   = proc_dou8vec_minmax,
                .extra1         = SYSCTL_ZERO,
                .extra2         = SYSCTL_ONE
        },