Messages in this thread Patch in this message | | | From | Arseniy Krasnov <> | Subject | [RFC PATCH v3 5/9] vsock: pass sock_rcvlowat to notify_poll_in as target | Date | Wed, 3 Aug 2022 13:59:49 +0000 |
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This callback controls setting of POLLIN,POLLRDNORM output bits of poll() syscall,but in some cases,it is incorrectly to set it, when socket has at least 1 bytes of available data.
Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru> --- net/vmw_vsock/af_vsock.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 016ad5ff78b7..3a1426eb8baa 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -1066,8 +1066,9 @@ static __poll_t vsock_poll(struct file *file, struct socket *sock, if (transport && transport->stream_is_active(vsk) && !(sk->sk_shutdown & RCV_SHUTDOWN)) { bool data_ready_now = false; + int target = sock_rcvlowat(sk, 0, INT_MAX); int ret = transport->notify_poll_in( - vsk, 1, &data_ready_now); + vsk, target, &data_ready_now); if (ret < 0) { mask |= EPOLLERR; } else { -- 2.25.1 | |