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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 04:21:33 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 04:21:33 +0000 |
| commit | 282c335ad1bf4d21fcedff132e19995c24c09adc (patch) | |
| tree | d24dc7bfbb3a6b4bfd5b46964347ada86f72d751 /net/ipv4/tcp_fastopen.c | |
| parent | Adding upstream version 4.19.289. (diff) | |
| download | linux-282c335ad1bf4d21fcedff132e19995c24c09adc.tar.xz linux-282c335ad1bf4d21fcedff132e19995c24c09adc.zip | |
Adding upstream version 4.19.304.upstream/4.19.304upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/ipv4/tcp_fastopen.c')
| -rw-r--r-- | net/ipv4/tcp_fastopen.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv4/tcp_fastopen.c b/net/ipv4/tcp_fastopen.c index f726591de..f7bb78b44 100644 --- a/net/ipv4/tcp_fastopen.c +++ b/net/ipv4/tcp_fastopen.c @@ -276,6 +276,7 @@ static struct sock *tcp_fastopen_create_child(struct sock *sk, static bool tcp_fastopen_queue_check(struct sock *sk) { struct fastopen_queue *fastopenq; + int max_qlen; /* Make sure the listener has enabled fastopen, and we don't * exceed the max # of pending TFO requests allowed before trying @@ -288,10 +289,11 @@ static bool tcp_fastopen_queue_check(struct sock *sk) * temporarily vs a server not supporting Fast Open at all. */ fastopenq = &inet_csk(sk)->icsk_accept_queue.fastopenq; - if (fastopenq->max_qlen == 0) + max_qlen = READ_ONCE(fastopenq->max_qlen); + if (max_qlen == 0) return false; - if (fastopenq->qlen >= fastopenq->max_qlen) { + if (fastopenq->qlen >= max_qlen) { struct request_sock *req1; spin_lock(&fastopenq->lock); req1 = fastopenq->rskq_rst_head; |