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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec

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Steffen Klassert says:

====================
pull request (net): ipsec 2015-12-22

Just one patch to fix dst_entries_init with multiple namespaces.
From Dan Streetman.

Please pull or let me know if there are problems.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2015-12-22 16:26:31 -05:00
parent e459dfeeb6 a8a572a6b5
commit 024f35c552
3 changed files with 75 additions and 62 deletions
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46
net/ipv4/xfrm4_policy.c
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@@ -259,7 +259,7 @@ static void xfrm4_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
xfrm_dst_ifdown(dst, dev);
}
static struct dst_ops xfrm4_dst_ops = {
static struct dst_ops xfrm4_dst_ops_template = {
.family = AF_INET,
.gc = xfrm4_garbage_collect,
.update_pmtu = xfrm4_update_pmtu,
@@ -273,7 +273,7 @@ static struct dst_ops xfrm4_dst_ops = {
static struct xfrm_policy_afinfo xfrm4_policy_afinfo = {
.family = AF_INET,
.dst_ops = &xfrm4_dst_ops,
.dst_ops = &xfrm4_dst_ops_template,
.dst_lookup = xfrm4_dst_lookup,
.get_saddr = xfrm4_get_saddr,
.decode_session = _decode_session4,
@@ -295,7 +295,7 @@ static struct ctl_table xfrm4_policy_table[] = {
{ }
};
static int __net_init xfrm4_net_init(struct net *net)
static int __net_init xfrm4_net_sysctl_init(struct net *net)
{
struct ctl_table *table;
struct ctl_table_header *hdr;
@@ -323,7 +323,7 @@ err_alloc:
return -ENOMEM;
}
static void __net_exit xfrm4_net_exit(struct net *net)
static void __net_exit xfrm4_net_sysctl_exit(struct net *net)
{
struct ctl_table *table;
@@ -335,12 +335,44 @@ static void __net_exit xfrm4_net_exit(struct net *net)
if (!net_eq(net, &init_net))
kfree(table);
}
#else /* CONFIG_SYSCTL */
static int inline xfrm4_net_sysctl_init(struct net *net)
{
return 0;
}
static void inline xfrm4_net_sysctl_exit(struct net *net)
{
}
#endif
static int __net_init xfrm4_net_init(struct net *net)
{
int ret;
memcpy(&net->xfrm.xfrm4_dst_ops, &xfrm4_dst_ops_template,
sizeof(xfrm4_dst_ops_template));
ret = dst_entries_init(&net->xfrm.xfrm4_dst_ops);
if (ret)
return ret;
ret = xfrm4_net_sysctl_init(net);
if (ret)
dst_entries_destroy(&net->xfrm.xfrm4_dst_ops);
return ret;
}
static void __net_exit xfrm4_net_exit(struct net *net)
{
xfrm4_net_sysctl_exit(net);
dst_entries_destroy(&net->xfrm.xfrm4_dst_ops);
}
static struct pernet_operations __net_initdata xfrm4_net_ops = {
.init = xfrm4_net_init,
.exit = xfrm4_net_exit,
};
#endif
static void __init xfrm4_policy_init(void)
{
@@ -349,13 +381,9 @@ static void __init xfrm4_policy_init(void)
void __init xfrm4_init(void)
{
dst_entries_init(&xfrm4_dst_ops);
xfrm4_state_init();
xfrm4_policy_init();
xfrm4_protocol_init();
#ifdef CONFIG_SYSCTL
register_pernet_subsys(&xfrm4_net_ops);
#endif
}