X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=net%2Fipv4%2Ftcp_diag.c;h=549506162ddeca22f6dd87dfe1c5c13cea6e2b69;hb=20baa8e515a55dc7467d9584cc458b5700c0a3aa;hp=81a8221d650a94be53d17354c60ddd0c655eaccf;hpb=8625732e7712882bd14e1fce962bdc3c315acd41;p=linux.git

diff --git a/net/ipv4/tcp_diag.c b/net/ipv4/tcp_diag.c
index 81a8221d650a..549506162dde 100644
--- a/net/ipv4/tcp_diag.c
+++ b/net/ipv4/tcp_diag.c
@@ -26,8 +26,9 @@ static void tcp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
 	} else if (sk->sk_type == SOCK_STREAM) {
 		const struct tcp_sock *tp = tcp_sk(sk);
 
-		r->idiag_rqueue = max_t(int, tp->rcv_nxt - tp->copied_seq, 0);
-		r->idiag_wqueue = tp->write_seq - tp->snd_una;
+		r->idiag_rqueue = max_t(int, READ_ONCE(tp->rcv_nxt) -
+					     READ_ONCE(tp->copied_seq), 0);
+		r->idiag_wqueue = READ_ONCE(tp->write_seq) - tp->snd_una;
 	}
 	if (info)
 		tcp_get_info(sk, info);