[RFC PATCH v1 2/3] virtio/vsock: use 'target' in notify_poll_in, callback.
From: Arseniy Krasnov <hidden>
Date: 2022-07-18 08:18:27
Also in:
kvm, lkml
Subsystem:
networking [general], the rest, virtio and vhost vsock driver, virtio core, vm sockets (af_vsock) · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Stefan Hajnoczi, Stefano Garzarella, "Michael S. Tsirkin", Jason Wang
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. Use 'target' which is already exists and equal to sk_rcvlowat in this case. Signed-off-by: Arseniy Krasnov <redacted> --- net/vmw_vsock/virtio_transport_common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index ec2c2afbf0d0..591908740992 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c@@ -634,7 +634,7 @@ virtio_transport_notify_poll_in(struct vsock_sock *vsk, size_t target, bool *data_ready_now) { - if (vsock_stream_has_data(vsk)) + if (vsock_stream_has_data(vsk) >= target) *data_ready_now = true; else *data_ready_now = false;
--
2.25.1