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[Qemu-devel] [PULL 02/10] virtio-serial: fix ANY_LAYOUT
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PULL 02/10] virtio-serial: fix ANY_LAYOUT |
Date: |
Tue, 28 Jul 2015 12:57:34 +0300 |
Don't assume a specific layout for control messages.
Required by virtio 1.
Signed-off-by: Michael S. Tsirkin <address@hidden>
Reviewed-by: Amit Shah <address@hidden>
Reviewed-by: Jason Wang <address@hidden>
---
hw/char/virtio-serial-bus.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c
index 78c73e5..929e49c 100644
--- a/hw/char/virtio-serial-bus.c
+++ b/hw/char/virtio-serial-bus.c
@@ -195,7 +195,8 @@ static size_t send_control_msg(VirtIOSerial *vser, void
*buf, size_t len)
return 0;
}
- memcpy(elem.in_sg[0].iov_base, buf, len);
+ /* TODO: detect a buffer that's too short, set NEEDS_RESET */
+ iov_from_buf(elem.in_sg, elem.in_num, 0, buf, len);
virtqueue_push(vq, &elem, len);
virtio_notify(VIRTIO_DEVICE(vser), vq);
--
MST
- [Qemu-devel] [PULL 00/10] virtio fixes for 2.4, Michael S. Tsirkin, 2015/07/28
- [Qemu-devel] [PULL 02/10] virtio-serial: fix ANY_LAYOUT,
Michael S. Tsirkin <=
- [Qemu-devel] [PULL 01/10] virtio: hide legacy features from modern guests, Michael S. Tsirkin, 2015/07/28
- [Qemu-devel] [PULL 03/10] virtio-9p: fix any_layout, Michael S. Tsirkin, 2015/07/28
- [Qemu-devel] [PULL 05/10] virtio-pci: fix memory MR cleanup for modern, Michael S. Tsirkin, 2015/07/28
- [Qemu-devel] [PULL 04/10] virtio: set any_layout in virtio core, Michael S. Tsirkin, 2015/07/28
- [Qemu-devel] [PULL 07/10] virtio-blk: fail get_features when both scsi and 1.0 were set, Michael S. Tsirkin, 2015/07/28
- [Qemu-devel] [PULL 06/10] virtio: get_features() can fail, Michael S. Tsirkin, 2015/07/28
- [Qemu-devel] [PULL 08/10] virtio-blk: only clear VIRTIO_F_ANY_LAYOUT for legacy device, Michael S. Tsirkin, 2015/07/28
- [Qemu-devel] [PULL 09/10] acpi: fix pvpanic device is not shown in ui, Michael S. Tsirkin, 2015/07/28
- [Qemu-devel] [PULL 10/10] virtio: minor cleanup, Michael S. Tsirkin, 2015/07/28
- Re: [Qemu-devel] [PULL 00/10] virtio fixes for 2.4, Cornelia Huck, 2015/07/28