svn commit: r273330 - head/sys/dev/vt

[Jean-Sebastien Pedron]

Author: dumbbell
Date: Mon Oct 20 14:25:23 2014
New Revision: 273330
URL: https://svnweb.freebsd.org/changeset/base/273330

Log:
  vt(4): Refuse to load a font if hw.vga.textmode is selected
  
  Before, the font was loaded and the window size recalculated, giving an
  unusable terminal, even if the actual font didn't change.
  
  Reported by:	beeessdee at ruggedinbox.com
  MFC after:	3 days

Modified:
  head/sys/dev/vt/vt_core.c

Modified: head/sys/dev/vt/vt_core.c
==============================================================================
--- head/sys/dev/vt/vt_core.c	Mon Oct 20 13:36:52 2014	(r273329)
+++ head/sys/dev/vt/vt_core.c	Mon Oct 20 14:25:23 2014	(r273330)
@@ -2207,6 +2207,9 @@ skip_thunk:
 	case PIO_VFONT: {
 		struct vt_font *vf;
 
+		if (vd->vd_flags & VDF_TEXTMODE)
+			return (ENOTSUP);
+
 		error = vtfont_load((void *)data, &vf);
 		if (error != 0)
 			return (error);