summaryrefslogtreecommitdiff
path: root/net/ipv6
diff options
context:
space:
mode:
authorJakub Kicinski <kuba@kernel.org>2024-08-01 10:43:15 -0700
committerJakub Kicinski <kuba@kernel.org>2024-08-01 10:45:23 -0700
commit5fa35bd39ce106889909444c937a10b2d3a79f08 (patch)
treebb1fde34b2c9907b1c4b69f6db992bbda0b02355 /net/ipv6
parent743ff02152bc46bb4a2f2a49ec891c87eba6ab5b (diff)
parent183d46ff422ef9f3d755b6808ef3faa6d009ba3a (diff)
downloadlwn-5fa35bd39ce106889909444c937a10b2d3a79f08.tar.gz
lwn-5fa35bd39ce106889909444c937a10b2d3a79f08.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. No conflicts or adjacent changes. Link: https://patch.msgid.link/20240801131917.34494-1-pabeni@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/ndisc.c34
-rw-r--r--net/ipv6/netfilter/ip6table_nat.c14
-rw-r--r--net/ipv6/proc.c2
3 files changed, 28 insertions, 22 deletions
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 70a0b2ad6bd7..b8eec1b6cc2c 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -227,6 +227,7 @@ struct ndisc_options *ndisc_parse_options(const struct net_device *dev,
return NULL;
memset(ndopts, 0, sizeof(*ndopts));
while (opt_len) {
+ bool unknown = false;
int l;
if (opt_len < sizeof(struct nd_opt_hdr))
return NULL;
@@ -262,22 +263,23 @@ struct ndisc_options *ndisc_parse_options(const struct net_device *dev,
break;
#endif
default:
- if (ndisc_is_useropt(dev, nd_opt)) {
- ndopts->nd_useropts_end = nd_opt;
- if (!ndopts->nd_useropts)
- ndopts->nd_useropts = nd_opt;
- } else {
- /*
- * Unknown options must be silently ignored,
- * to accommodate future extension to the
- * protocol.
- */
- ND_PRINTK(2, notice,
- "%s: ignored unsupported option; type=%d, len=%d\n",
- __func__,
- nd_opt->nd_opt_type,
- nd_opt->nd_opt_len);
- }
+ unknown = true;
+ }
+ if (ndisc_is_useropt(dev, nd_opt)) {
+ ndopts->nd_useropts_end = nd_opt;
+ if (!ndopts->nd_useropts)
+ ndopts->nd_useropts = nd_opt;
+ } else if (unknown) {
+ /*
+ * Unknown options must be silently ignored,
+ * to accommodate future extension to the
+ * protocol.
+ */
+ ND_PRINTK(2, notice,
+ "%s: ignored unsupported option; type=%d, len=%d\n",
+ __func__,
+ nd_opt->nd_opt_type,
+ nd_opt->nd_opt_len);
}
next_opt:
opt_len -= l;
diff --git a/net/ipv6/netfilter/ip6table_nat.c b/net/ipv6/netfilter/ip6table_nat.c
index 52cf104e3478..e119d4f090cc 100644
--- a/net/ipv6/netfilter/ip6table_nat.c
+++ b/net/ipv6/netfilter/ip6table_nat.c
@@ -147,23 +147,27 @@ static struct pernet_operations ip6table_nat_net_ops = {
static int __init ip6table_nat_init(void)
{
- int ret = xt_register_template(&nf_nat_ipv6_table,
- ip6table_nat_table_init);
+ int ret;
+ /* net->gen->ptr[ip6table_nat_net_id] must be allocated
+ * before calling ip6t_nat_register_lookups().
+ */
+ ret = register_pernet_subsys(&ip6table_nat_net_ops);
if (ret < 0)
return ret;
- ret = register_pernet_subsys(&ip6table_nat_net_ops);
+ ret = xt_register_template(&nf_nat_ipv6_table,
+ ip6table_nat_table_init);
if (ret)
- xt_unregister_template(&nf_nat_ipv6_table);
+ unregister_pernet_subsys(&ip6table_nat_net_ops);
return ret;
}
static void __exit ip6table_nat_exit(void)
{
- unregister_pernet_subsys(&ip6table_nat_net_ops);
xt_unregister_template(&nf_nat_ipv6_table);
+ unregister_pernet_subsys(&ip6table_nat_net_ops);
}
module_init(ip6table_nat_init);
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index 6d1d9221649d..752327b10dde 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -27,7 +27,7 @@
#include <net/ipv6.h>
#define MAX4(a, b, c, d) \
- max_t(u32, max_t(u32, a, b), max_t(u32, c, d))
+ MAX_T(u32, MAX_T(u32, a, b), MAX_T(u32, c, d))
#define SNMP_MIB_MAX MAX4(UDP_MIB_MAX, TCP_MIB_MAX, \
IPSTATS_MIB_MAX, ICMP_MIB_MAX)