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[Qemu-devel] [PATCH v6 10/18] virtio-serial: Send out guest data to port
From: |
Amit Shah |
Subject: |
[Qemu-devel] [PATCH v6 10/18] virtio-serial: Send out guest data to ports only if port is opened |
Date: |
Tue, 27 Apr 2010 18:04:04 +0530 |
Data should be written only when ports are open.
Signed-off-by: Amit Shah <address@hidden>
---
hw/virtio-serial-bus.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c
index 3a09f0d..6befd4d 100644
--- a/hw/virtio-serial-bus.c
+++ b/hw/virtio-serial-bus.c
@@ -335,6 +335,11 @@ static void handle_output(VirtIODevice *vdev, VirtQueue
*vq)
goto next_buf;
}
+ if (!port->host_connected) {
+ ret = 0;
+ goto next_buf;
+ }
+
/*
* A port may not have any handler registered for consuming the
* data that the guest sends or it may not have a chardev associated
--
1.6.2.5
- [Qemu-devel] [PATCH v6 00/18] PULL: virtio-serial fixes, Amit Shah, 2010/04/27
- [Qemu-devel] [PATCH v6 01/18] virtio-serial: save/load: Ensure target has enough ports, Amit Shah, 2010/04/27
- [Qemu-devel] [PATCH v6 02/18] virtio-serial: save/load: Ensure nr_ports on src and dest are same., Amit Shah, 2010/04/27
- [Qemu-devel] [PATCH v6 03/18] virtio-serial: save/load: Ensure we have hot-plugged ports instantiated, Amit Shah, 2010/04/27
- [Qemu-devel] [PATCH v6 04/18] virtio-serial: save/load: Send target host connection status if different, Amit Shah, 2010/04/27
- [Qemu-devel] [PATCH v6 05/18] virtio-serial: Use control messages to notify guest of new ports, Amit Shah, 2010/04/27
- [Qemu-devel] [PATCH v6 06/18] virtio-serial: whitespace: match surrounding code, Amit Shah, 2010/04/27
- [Qemu-devel] [PATCH v6 07/18] virtio-serial: Remove redundant check for 0-sized write request, Amit Shah, 2010/04/27
- [Qemu-devel] [PATCH v6 08/18] virtio-serial: Update copyright year to 2010, Amit Shah, 2010/04/27
- [Qemu-devel] [PATCH v6 09/18] virtio-serial: Propagate errors in initialising ports / devices in guest, Amit Shah, 2010/04/27
- [Qemu-devel] [PATCH v6 10/18] virtio-serial: Send out guest data to ports only if port is opened,
Amit Shah <=
- [Qemu-devel] [PATCH v6 11/18] iov: Introduce a new file for helpers around iovs, add iov_from_buf(), Amit Shah, 2010/04/27
- [Qemu-devel] [PATCH v6 12/18] iov: Add iov_to_buf and iov_size helpers, Amit Shah, 2010/04/27
- [Qemu-devel] [PATCH v6 13/18] virtio-serial: Handle scatter-gather buffers for control messages, Amit Shah, 2010/04/27
- [Qemu-devel] [PATCH v6 14/18] virtio-serial: Handle scatter/gather input from the guest, Amit Shah, 2010/04/27
- [Qemu-devel] [PATCH v6 15/18] virtio-serial: Apps should consume all data that guest sends out / Fix virtio api abuse, Amit Shah, 2010/04/27
- [Qemu-devel] [PATCH v6 16/18] virtio-serial: Discard data that guest sends us when ports aren't connected, Amit Shah, 2010/04/27
- [Qemu-devel] [PATCH v6 17/18] virtio-serial: Implement flow control for individual ports, Amit Shah, 2010/04/27
- [Qemu-devel] [PATCH v6 18/18] virtio-serial-bus: wake up iothread upon guest read notification, Amit Shah, 2010/04/27
- [Qemu-devel] Re: [PATCH v6 18/18] virtio-serial-bus: wake up iothread upon guest read notification, Anthony Liguori, 2010/04/27
- [Qemu-devel] Re: [PATCH v6 18/18] virtio-serial-bus: wake up iothread upon guest read notification, Marcelo Tosatti, 2010/04/27