From 7976a11b30929871a4c84c3c406d7681a3dbcc10 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 5 Nov 2019 14:11:52 -0800 Subject: net: use helpers to change sk_ack_backlog Writers are holding a lock, but many readers do not. Following patch will add appropriate barriers in sk_acceptq_removed() and sk_acceptq_added(). Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/ax25/af_ax25.c | 2 +- net/ax25/ax25_in.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'net/ax25') diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index bb222b882b67..324306d6fde0 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -1384,7 +1384,7 @@ static int ax25_accept(struct socket *sock, struct socket *newsock, int flags, /* Now attach up the new socket */ kfree_skb(skb); - sk->sk_ack_backlog--; + sk_acceptq_removed(sk); newsock->state = SS_CONNECTED; out: diff --git a/net/ax25/ax25_in.c b/net/ax25/ax25_in.c index dcdbaeeb2358..cd6afe895db9 100644 --- a/net/ax25/ax25_in.c +++ b/net/ax25/ax25_in.c @@ -356,7 +356,7 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev, make->sk_state = TCP_ESTABLISHED; - sk->sk_ack_backlog++; + sk_acceptq_added(sk); bh_unlock_sock(sk); } else { if (!mine) -- cgit v1.2.3