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Reserve space for control message payload (currently a port name).

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Approved by:	trasz (mentor)
Sponsored by:	iXsystems, Inc.
This commit is contained in:
Jakub Wojciech Klama 2016-11-12 01:41:43 +00:00
parent 892f0ab0ab
commit f7b1d7f419
1 changed files with 3 additions and 2 deletions
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5
sys/dev/virtio/console/virtio_console.c
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@ -600,7 +600,7 @@ vtcon_ctrl_event_enqueue(struct vtcon_softc *sc,
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_softc *sc,
{
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,