ipv6: no longer reference init_net in ip6_frags_ns_ctl_table[]
authorEric Dumazet <edumazet@google.com>
Fri, 24 May 2019 16:03:34 +0000 (09:03 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sun, 26 May 2019 21:08:05 +0000 (14:08 -0700)
(struct net *)->ipv6.fqdir will soon be a pointer, so make
sure ip6_frags_ns_ctl_table[] does not reference init_net.

ip6_frags_ns_ctl_register() can perform the needed initialization
for all netns.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/reassembly.c

index 5160fd9..aabc9b2 100644 (file)
@@ -401,23 +401,18 @@ static const struct inet6_protocol frag_protocol = {
 static struct ctl_table ip6_frags_ns_ctl_table[] = {
        {
                .procname       = "ip6frag_high_thresh",
-               .data           = &init_net.ipv6.fqdir.high_thresh,
                .maxlen         = sizeof(unsigned long),
                .mode           = 0644,
                .proc_handler   = proc_doulongvec_minmax,
-               .extra1         = &init_net.ipv6.fqdir.low_thresh
        },
        {
                .procname       = "ip6frag_low_thresh",
-               .data           = &init_net.ipv6.fqdir.low_thresh,
                .maxlen         = sizeof(unsigned long),
                .mode           = 0644,
                .proc_handler   = proc_doulongvec_minmax,
-               .extra2         = &init_net.ipv6.fqdir.high_thresh
        },
        {
                .procname       = "ip6frag_time",
-               .data           = &init_net.ipv6.fqdir.timeout,
                .maxlen         = sizeof(int),
                .mode           = 0644,
                .proc_handler   = proc_dointvec_jiffies,
@@ -449,12 +444,12 @@ static int __net_init ip6_frags_ns_sysctl_register(struct net *net)
                if (!table)
                        goto err_alloc;
 
-               table[0].data = &net->ipv6.fqdir.high_thresh;
-               table[0].extra1 = &net->ipv6.fqdir.low_thresh;
-               table[1].data = &net->ipv6.fqdir.low_thresh;
-               table[1].extra2 = &net->ipv6.fqdir.high_thresh;
-               table[2].data = &net->ipv6.fqdir.timeout;
        }
+       table[0].data   = &net->ipv6.fqdir.high_thresh;
+       table[0].extra1 = &net->ipv6.fqdir.low_thresh;
+       table[1].data   = &net->ipv6.fqdir.low_thresh;
+       table[1].extra2 = &net->ipv6.fqdir.high_thresh;
+       table[2].data   = &net->ipv6.fqdir.timeout;
 
        hdr = register_net_sysctl(net, "net/ipv6", table);
        if (!hdr)