Author: emaste Date: Fri Oct 17 13:55:45 2014 New Revision: 273219 URL: https://svnweb.freebsd.org/changeset/base/273219
Log: 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 Reviewed by: ray MFC after: 3 days Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D954 Modified: head/sys/dev/vt/vt_core.c Modified: head/sys/dev/vt/vt_core.c ============================================================================== --- head/sys/dev/vt/vt_core.c Fri Oct 17 13:50:37 2014 (r273218) +++ head/sys/dev/vt/vt_core.c Fri Oct 17 13:55:45 2014 (r273219) @@ -2498,6 +2498,8 @@ 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]; _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
