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net: use helpers to change sk_ack_backlog

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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 <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2019-11-05 14:11:52 -08:00
committed by David S. Miller
parent 25c7a6d1f9
commit 7976a11b30
16 changed files with 21 additions and 21 deletions
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2
net/atm/signaling.c
View File

@@ -109,7 +109,7 @@ static int sigd_send(struct atm_vcc *vcc, struct sk_buff *skb)
dev_kfree_skb(skb);
goto as_indicate_complete;
}
sk->sk_ack_backlog++;
sk_acceptq_added(sk);
skb_queue_tail(&sk->sk_receive_queue, skb);
pr_debug("waking sk_sleep(sk) 0x%p\n", sk_sleep(sk));
sk->sk_state_change(sk);

2
net/atm/svc.c
View File

@@ -381,7 +381,7 @@ static int svc_accept(struct socket *sock, struct socket *newsock, int flags,
msg->pvc.sap_addr.vpi,
msg->pvc.sap_addr.vci);
dev_kfree_skb(skb);
sk->sk_ack_backlog--;
sk_acceptq_removed(sk);
if (error) {
sigd_enq2(NULL, as_reject, old_vcc, NULL, NULL,
&old_vcc->qos, error);