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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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4
net/sctp/associola.c
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@@ -324,7 +324,7 @@ void sctp_association_free(struct sctp_association *asoc)
* socket.
*/
if (sctp_style(sk, TCP) && sctp_sstate(sk, LISTENING))
sk->sk_ack_backlog--;
sk_acceptq_removed(sk);
}
/* Mark as dead, so other users can know this structure is
@@ -1073,7 +1073,7 @@ void sctp_assoc_migrate(struct sctp_association *assoc, struct sock *newsk)
/* Decrement the backlog value for a TCP-style socket. */
if (sctp_style(oldsk, TCP))
oldsk->sk_ack_backlog--;
sk_acceptq_removed(oldsk);
/* Release references to the old endpoint and the sock. */
sctp_endpoint_put(assoc->ep);