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authorEric Dumazet <edumazet@google.com>2023-03-15 23:57:43 +0300
committerDavid S. Miller <davem@davemloft.net>2023-03-17 11:25:05 +0300
commit2f2d9972affae1f3282eff97c794cf843aedf61e (patch)
treec423dcc1166b12a9be8319f8def00d7c5385815e /net/ipv6
parent9a25f0cb0d7ee689f54f38890e66bc78520b0c62 (diff)
downloadlinux-2f2d9972affae1f3282eff97c794cf843aedf61e.tar.xz
net: annotate lockless accesses to sk->sk_err_soft
This field can be read/written without lock synchronization. tcp and dccp have been handled in different patches. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/af_inet6.c2
-rw-r--r--net/ipv6/inet6_connection_sock.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 38689bedfce7..e1b679a590c9 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -845,7 +845,7 @@ int inet6_sk_rebuild_header(struct sock *sk)
dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
if (IS_ERR(dst)) {
sk->sk_route_caps = 0;
- sk->sk_err_soft = -PTR_ERR(dst);
+ WRITE_ONCE(sk->sk_err_soft, -PTR_ERR(dst));
return PTR_ERR(dst);
}
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index 5a9f4d722f35..0c50dcd35fe8 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -120,7 +120,7 @@ int inet6_csk_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl_unused
dst = inet6_csk_route_socket(sk, &fl6);
if (IS_ERR(dst)) {
- sk->sk_err_soft = -PTR_ERR(dst);
+ WRITE_ONCE(sk->sk_err_soft, -PTR_ERR(dst));
sk->sk_route_caps = 0;
kfree_skb(skb);
return PTR_ERR(dst);