Author: jceel
Date: Sat Nov 12 01:41:43 2016
New Revision: 308566
URL: https://svnweb.freebsd.org/changeset/base/308566
Log:
Reserve space for control message payload (currently a port name).
Approved by: trasz (mentor)
Sponsored by: iXsystems, Inc.
Modified:
head/sys/dev/virtio/console/virtio_console.c
Modified: head/sys/dev/virtio/console/virtio_console.c
==============================================================================
--- head/sys/dev/virtio/console/virtio_console.c Sat Nov 12 00:23:09
2016 (r308565)
+++ head/sys/dev/virtio/console/virtio_console.c Sat Nov 12 01:41:43
2016 (r308566)
@@ -600,7 +600,7 @@ vtcon_ctrl_event_enqueue(struct vtcon_so
sglist_init(&sg, 2, segs);
error = sglist_append(&sg, control,
- sizeof(struct virtio_console_control));
+ sizeof(struct virtio_console_control) + VTCON_BULK_BUFSZ);
KASSERT(error == 0, ("%s: error %d adding control to sglist",
__func__, error));
@@ -633,7 +633,8 @@ vtcon_ctrl_event_requeue(struct vtcon_so
{
int error;
- bzero(control, sizeof(struct virtio_console_control));
+ bzero(control, sizeof(struct virtio_console_control) +
+ VTCON_BULK_BUFSZ);
error = vtcon_ctrl_event_enqueue(sc, control);
KASSERT(error == 0,
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