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-rw-r--r--net/unix/af_unix.c2
-rw-r--r--net/unix/diag.c1
-rw-r--r--net/unix/unix_bpf.c5
3 files changed, 6 insertions, 2 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index a357dc5f2404..ac1f2bc18fc9 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -213,8 +213,6 @@ static inline bool unix_secdata_eq(struct scm_cookie *scm, struct sk_buff *skb)
}
#endif /* CONFIG_SECURITY_NETWORK */
-#define unix_peer(sk) (unix_sk(sk)->peer)
-
static inline int unix_our_peer(struct sock *sk, struct sock *osk)
{
return unix_peer(osk) == sk;
diff --git a/net/unix/diag.c b/net/unix/diag.c
index 616b55c5b890..bec09a3a1d44 100644
--- a/net/unix/diag.c
+++ b/net/unix/diag.c
@@ -339,4 +339,5 @@ static void __exit unix_diag_exit(void)
module_init(unix_diag_init);
module_exit(unix_diag_exit);
MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("UNIX socket monitoring via SOCK_DIAG");
MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_NETLINK, NETLINK_SOCK_DIAG, 1 /* AF_LOCAL */);
diff --git a/net/unix/unix_bpf.c b/net/unix/unix_bpf.c
index 2f9d8271c6ec..7ea7c3a0d0d0 100644
--- a/net/unix/unix_bpf.c
+++ b/net/unix/unix_bpf.c
@@ -159,12 +159,17 @@ int unix_dgram_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool re
int unix_stream_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore)
{
+ struct sock *sk_pair;
+
if (restore) {
sk->sk_write_space = psock->saved_write_space;
sock_replace_proto(sk, psock->sk_proto);
return 0;
}
+ sk_pair = unix_peer(sk);
+ sock_hold(sk_pair);
+ psock->sk_pair = sk_pair;
unix_stream_bpf_check_needs_rebuild(psock->sk_proto);
sock_replace_proto(sk, &unix_stream_bpf_prot);
return 0;