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(parent: b762784) | patch
vt(4): Don't recalculate buffer size if we don't know screen size
authorJean-Sébastien Pédron <dumbbell@FreeBSD.org>
Sat, 4 Oct 2014 18:40:40 +0000 (18:40 +0000)
committerJean-Sébastien Pédron <dumbbell@FreeBSD.org>
Sat, 4 Oct 2014 18:40:40 +0000 (18:40 +0000)
commit0d064468125c2cb477c8e8baed30d95219a20d5c
tree7270821dc292006abd440429e69087714ddeba20tree | snapshot
parentb76278407dc1b20319f598998ce72d13ada7cc6bcommit | diff
vt(4): Don't recalculate buffer size if we don't know screen size

When the screen size is unknown, it's set to 0x0. We can't use that as
the buffer size, otherwise, functions such as vtbuf_fill() will fail.

This fixes a panic on RaspberryPi, where there's no vt(4) backend
configured early in boot.

PR: 193981
Tested by: danilo@
MFC after: 3 days
sys/dev/vt/vt_core.c diff | blob | history
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