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Diffstat (limited to 'net')
-rw-r--r--net/bridge/br_netlink.c26
-rw-r--r--net/core/filter.c6
2 files changed, 17 insertions, 15 deletions
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 147d52596e17..da310f0ca725 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -380,6 +380,7 @@ static int br_fill_ifinfo(struct sk_buff *skb,
u32 filter_mask, const struct net_device *dev)
{
u8 operstate = netif_running(dev) ? dev->operstate : IF_OPER_DOWN;
+ struct nlattr *af = NULL;
struct net_bridge *br;
struct ifinfomsg *hdr;
struct nlmsghdr *nlh;
@@ -423,11 +424,18 @@ static int br_fill_ifinfo(struct sk_buff *skb,
nla_nest_end(skb, nest);
}
+ if (filter_mask & (RTEXT_FILTER_BRVLAN |
+ RTEXT_FILTER_BRVLAN_COMPRESSED |
+ RTEXT_FILTER_MRP)) {
+ af = nla_nest_start_noflag(skb, IFLA_AF_SPEC);
+ if (!af)
+ goto nla_put_failure;
+ }
+
/* Check if the VID information is requested */
if ((filter_mask & RTEXT_FILTER_BRVLAN) ||
(filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) {
struct net_bridge_vlan_group *vg;
- struct nlattr *af;
int err;
/* RCU needed because of the VLAN locking rules (rcu || rtnl) */
@@ -441,11 +449,6 @@ static int br_fill_ifinfo(struct sk_buff *skb,
rcu_read_unlock();
goto done;
}
- af = nla_nest_start_noflag(skb, IFLA_AF_SPEC);
- if (!af) {
- rcu_read_unlock();
- goto nla_put_failure;
- }
if (filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)
err = br_fill_ifvlaninfo_compressed(skb, vg);
else
@@ -456,32 +459,25 @@ static int br_fill_ifinfo(struct sk_buff *skb,
rcu_read_unlock();
if (err)
goto nla_put_failure;
-
- nla_nest_end(skb, af);
}
if (filter_mask & RTEXT_FILTER_MRP) {
- struct nlattr *af;
int err;
if (!br_mrp_enabled(br) || port)
goto done;
- af = nla_nest_start_noflag(skb, IFLA_AF_SPEC);
- if (!af)
- goto nla_put_failure;
-
rcu_read_lock();
err = br_mrp_fill_info(skb, br);
rcu_read_unlock();
if (err)
goto nla_put_failure;
-
- nla_nest_end(skb, af);
}
done:
+ if (af)
+ nla_nest_end(skb, af);
nlmsg_end(skb, nlh);
return 0;
diff --git a/net/core/filter.c b/net/core/filter.c
index 21eaf3b182f2..b5f3faac5e3b 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -9558,6 +9558,12 @@ const struct bpf_func_proto bpf_skc_to_tcp_sock_proto = {
BPF_CALL_1(bpf_skc_to_tcp_timewait_sock, struct sock *, sk)
{
+ /* BTF types for tcp_timewait_sock and inet_timewait_sock are not
+ * generated if CONFIG_INET=n. Trigger an explicit generation here.
+ */
+ BTF_TYPE_EMIT(struct inet_timewait_sock);
+ BTF_TYPE_EMIT(struct tcp_timewait_sock);
+
#ifdef CONFIG_INET
if (sk && sk->sk_prot == &tcp_prot && sk->sk_state == TCP_TIME_WAIT)
return (unsigned long)sk;