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| author | Arseniy Krasnov <AVKrasnov@sberdevices.ru> | 2022-08-19 05:31:43 +0000 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2022-08-23 10:43:11 +0200 |
| commit | a274f6ff3c5c79c27d254b48cad3b4814c950908 (patch) | |
| tree | 7747e3459a95153ff4941eb5b16d28887187155e /net | |
| parent | e7a3266c9167fe8878c303959a8cc4527f83888b (diff) | |
| download | lwn-a274f6ff3c5c79c27d254b48cad3b4814c950908.tar.gz lwn-a274f6ff3c5c79c27d254b48cad3b4814c950908.zip | |
vmci/vsock: use 'target' in notify_poll_in callback
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.
Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Vishnu Dasa <vdasa@vmware.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/vmw_vsock/vmci_transport_notify.c | 8 | ||||
| -rw-r--r-- | net/vmw_vsock/vmci_transport_notify_qstate.c | 8 |
2 files changed, 8 insertions, 8 deletions
diff --git a/net/vmw_vsock/vmci_transport_notify.c b/net/vmw_vsock/vmci_transport_notify.c index d69fc4b595ad..852097e2b9e6 100644 --- a/net/vmw_vsock/vmci_transport_notify.c +++ b/net/vmw_vsock/vmci_transport_notify.c @@ -340,12 +340,12 @@ vmci_transport_notify_pkt_poll_in(struct sock *sk, { struct vsock_sock *vsk = vsock_sk(sk); - if (vsock_stream_has_data(vsk)) { + if (vsock_stream_has_data(vsk) >= target) { *data_ready_now = true; } else { - /* We can't read right now because there is nothing in the - * queue. Ask for notifications when there is something to - * read. + /* We can't read right now because there is not enough data + * in the queue. Ask for notifications when there is something + * to read. */ if (sk->sk_state == TCP_ESTABLISHED) { if (!send_waiting_read(sk, 1)) diff --git a/net/vmw_vsock/vmci_transport_notify_qstate.c b/net/vmw_vsock/vmci_transport_notify_qstate.c index 0f36d7c45db3..12f0cb8fe998 100644 --- a/net/vmw_vsock/vmci_transport_notify_qstate.c +++ b/net/vmw_vsock/vmci_transport_notify_qstate.c @@ -161,12 +161,12 @@ vmci_transport_notify_pkt_poll_in(struct sock *sk, { struct vsock_sock *vsk = vsock_sk(sk); - if (vsock_stream_has_data(vsk)) { + if (vsock_stream_has_data(vsk) >= target) { *data_ready_now = true; } else { - /* We can't read right now because there is nothing in the - * queue. Ask for notifications when there is something to - * read. + /* We can't read right now because there is not enough data + * in the queue. Ask for notifications when there is something + * to read. */ if (sk->sk_state == TCP_ESTABLISHED) vsock_block_update_write_window(sk); |