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-rw-r--r--include/net/tcp.h3
-rw-r--r--net/core/sock.c2
-rw-r--r--net/sctp/diag.c2
-rw-r--r--net/tipc/socket.c2
4 files changed, 5 insertions, 4 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 88e63d64c698..35f6f7e0fdc2 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1380,7 +1380,8 @@ static inline int tcp_win_from_space(const struct sock *sk, int space)
/* Note: caller must be prepared to deal with negative returns */
static inline int tcp_space(const struct sock *sk)
{
- return tcp_win_from_space(sk, sk->sk_rcvbuf - sk->sk_backlog.len -
+ return tcp_win_from_space(sk, sk->sk_rcvbuf -
+ READ_ONCE(sk->sk_backlog.len) -
atomic_read(&sk->sk_rmem_alloc));
}
diff --git a/net/core/sock.c b/net/core/sock.c
index b7c5c6ea51ba..2a053999df11 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -3210,7 +3210,7 @@ void sk_get_meminfo(const struct sock *sk, u32 *mem)
mem[SK_MEMINFO_FWD_ALLOC] = sk->sk_forward_alloc;
mem[SK_MEMINFO_WMEM_QUEUED] = sk->sk_wmem_queued;
mem[SK_MEMINFO_OPTMEM] = atomic_read(&sk->sk_omem_alloc);
- mem[SK_MEMINFO_BACKLOG] = sk->sk_backlog.len;
+ mem[SK_MEMINFO_BACKLOG] = READ_ONCE(sk->sk_backlog.len);
mem[SK_MEMINFO_DROPS] = atomic_read(&sk->sk_drops);
}
diff --git a/net/sctp/diag.c b/net/sctp/diag.c
index fc9a4c6629ce..0851166b9175 100644
--- a/net/sctp/diag.c
+++ b/net/sctp/diag.c
@@ -175,7 +175,7 @@ static int inet_sctp_diag_fill(struct sock *sk, struct sctp_association *asoc,
mem[SK_MEMINFO_FWD_ALLOC] = sk->sk_forward_alloc;
mem[SK_MEMINFO_WMEM_QUEUED] = sk->sk_wmem_queued;
mem[SK_MEMINFO_OPTMEM] = atomic_read(&sk->sk_omem_alloc);
- mem[SK_MEMINFO_BACKLOG] = sk->sk_backlog.len;
+ mem[SK_MEMINFO_BACKLOG] = READ_ONCE(sk->sk_backlog.len);
mem[SK_MEMINFO_DROPS] = atomic_read(&sk->sk_drops);
if (nla_put(skb, INET_DIAG_SKMEMINFO, sizeof(mem), &mem) < 0)
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 7c736cfec57f..f8bbc4aab213 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -3790,7 +3790,7 @@ int tipc_sk_dump(struct sock *sk, u16 dqueues, char *buf)
i += scnprintf(buf + i, sz - i, " %d", sk->sk_sndbuf);
i += scnprintf(buf + i, sz - i, " | %d", sk_rmem_alloc_get(sk));
i += scnprintf(buf + i, sz - i, " %d", sk->sk_rcvbuf);
- i += scnprintf(buf + i, sz - i, " | %d\n", sk->sk_backlog.len);
+ i += scnprintf(buf + i, sz - i, " | %d\n", READ_ONCE(sk->sk_backlog.len));
if (dqueues & TIPC_DUMP_SK_SNDQ) {
i += scnprintf(buf + i, sz - i, "sk_write_queue: ");