From: Eric Dumazet <edumazet@google.com>
Date: Fri, 28 Jul 2023 15:03:13 +0000 (+0000)
Subject: net: add missing READ_ONCE(sk->sk_sndbuf) annotation
X-Git-Tag: v6.6.7~2249^2~29^2~5
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=74bc084327c643499474ba75df485607da37dd6e;p=platform%2Fkernel%2Flinux-starfive.git

net: add missing READ_ONCE(sk->sk_sndbuf) annotation

In a prior commit, I forgot to change sk_getsockopt()
when reading sk->sk_sndbuf locklessly.

Fixes: e292f05e0df7 ("tcp: annotate sk->sk_sndbuf lockless reads")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/sock.c b/net/core/sock.c
index 264c99c..ca43f7a 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1639,7 +1639,7 @@ int sk_getsockopt(struct sock *sk, int level, int optname,
 		break;
 
 	case SO_SNDBUF:
-		v.val = sk->sk_sndbuf;
+		v.val = READ_ONCE(sk->sk_sndbuf);
 		break;
 
 	case SO_RCVBUF: