From: Cong Wang <cong.w...@bytedance.com>
These comments in udp_bpf_update_proto() are copied from the
original TCP code and apparently do not apply to UDP. Just
remove them.
Reported-by: Jakub Sitnicki <ja...@cloudflare.com>
Cc: John Fastabend <john.fastab...@gmail.com>
Cc: Daniel Borkmann <dan...@iogearbox.net>
Cc: Lorenz Bauer <l...@cloudflare.com>
Signed-off-by: Cong Wang <cong.w...@bytedance.com>
---
net/ipv4/udp_bpf.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/net/ipv4/udp_bpf.c b/net/ipv4/udp_bpf.c
index 7d5c4ebf42fe..4a7e38c5d842 100644
--- a/net/ipv4/udp_bpf.c
+++ b/net/ipv4/udp_bpf.c
@@ -110,7 +110,6 @@ int udp_bpf_update_proto(struct sock *sk, bool restore)
if (restore) {
sk->sk_write_space = psock->saved_write_space;
- /* Pairs with lockless read in sk_clone_lock() */
WRITE_ONCE(sk->sk_prot, psock->sk_proto);
return 0;
}
@@ -118,7 +117,6 @@ int udp_bpf_update_proto(struct sock *sk, bool restore)
if (sk->sk_family == AF_INET6)
udp_bpf_check_v6_needs_rebuild(psock->sk_proto);
- /* Pairs with lockless read in sk_clone_lock() */
WRITE_ONCE(sk->sk_prot, &udp_bpf_prots[family]);
return 0;
}
--
2.25.1
