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ipv4: no longer reference init_net in ip4_frags_ns_ctl_table[] 

(struct net *)->ipv4.fqdir will soon be a pointer, so make
sure ip4_frags_ns_ctl_table[] does not reference init_net.

ip4_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>
This commit is contained in:
Eric Dumazet 2019-05-24 09:03:33 -07:00 committed by David S. Miller
parent 803fdd9968
commit 8dfdb31335
1 changed files with 6 additions and 12 deletions
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18
net/ipv4/ip_fragment.c
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@ -544,30 +544,24 @@ static int dist_min;
static struct ctl_table ip4_frags_ns_ctl_table[] = {
{
.procname = "ipfrag_high_thresh",
.data = &init_net.ipv4.fqdir.high_thresh,
.maxlen = sizeof(unsigned long),
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
.extra1 = &init_net.ipv4.fqdir.low_thresh
},
{
.procname = "ipfrag_low_thresh",
.data = &init_net.ipv4.fqdir.low_thresh,
.maxlen = sizeof(unsigned long),
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
.extra2 = &init_net.ipv4.fqdir.high_thresh
},
{
.procname = "ipfrag_time",
.data = &init_net.ipv4.fqdir.timeout,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_jiffies,
},
{
.procname = "ipfrag_max_dist",
.data = &init_net.ipv4.fqdir.max_dist,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
@ -600,13 +594,13 @@ static int __net_init ip4_frags_ns_ctl_register(struct net *net)
if (!table)
goto err_alloc;
table[0].data = &net->ipv4.fqdir.high_thresh;
table[0].extra1 = &net->ipv4.fqdir.low_thresh;
table[1].data = &net->ipv4.fqdir.low_thresh;
table[1].extra2 = &net->ipv4.fqdir.high_thresh;
table[2].data = &net->ipv4.fqdir.timeout;
table[3].data = &net->ipv4.fqdir.max_dist;
}
table[0].data = &net->ipv4.fqdir.high_thresh;
table[0].extra1 = &net->ipv4.fqdir.low_thresh;
table[1].data = &net->ipv4.fqdir.low_thresh;
table[1].extra2 = &net->ipv4.fqdir.high_thresh;
table[2].data = &net->ipv4.fqdir.timeout;
table[3].data = &net->ipv4.fqdir.max_dist;
hdr = register_net_sysctl(net, "net/ipv4", table);
if (!hdr)