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| author | emaste <emaste@FreeBSD.org> | 2014-10-20 01:01:55 +0000 |
|---|---|---|
| committer | emaste <emaste@FreeBSD.org> | 2014-10-20 01:01:55 +0000 |
| commit | ae8c60e6aaa4983d0e82e4b2100d46e90c86b2f7 (patch) | |
| tree | 2e685d2f7236222c57f6f21e9f45e48ee9ff7885 /sys/dev/vt | |
| parent | f22cd310809ad01f37fe4f366bb2ba69ab5dbec9 (diff) | |
| download | FreeBSD-src-ae8c60e6aaa4983d0e82e4b2100d46e90c86b2f7.zip FreeBSD-src-ae8c60e6aaa4983d0e82e4b2100d46e90c86b2f7.tar.gz | |
MFC r273219: Do nothing in vt_upgrade if there is no vt driver
Previously, if no drivers attached at boot we would panic with
"vtbuf_fill_locked begin.tp_row 0 must be < screen height 0".
PR: 192248
Diffstat (limited to 'sys/dev/vt')
| -rw-r--r-- | sys/dev/vt/vt_core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/dev/vt/vt_core.c b/sys/dev/vt/vt_core.c index 67d4348..0ad06dd 100644 --- a/sys/dev/vt/vt_core.c +++ b/sys/dev/vt/vt_core.c @@ -2491,6 +2491,8 @@ vt_upgrade(struct vt_device *vd) if (!vty_enabled(VTY_VT)) return; + if (main_vd->vd_driver == NULL) + return; for (i = 0; i < VT_MAXWINDOWS; i++) { vw = vd->vd_windows[i]; |
