vt: break a couple of obsolete SCOish codes.

No modern terminal supports them, and SGR 38 conflicts with detecting
xterm-256 colours.  This also makes SGR 39 consistent with other popular
terminals.  Neither are used by ncurses' terminfo.

Signed-off-by: Adam Borowski <kilobyte@angband.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 14 deletions

diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 9a8e8c5a0c73..ef95c6c1698f 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1300,21 +1300,8 @@ static void csi_m(struct vc_data *vc)
                         case 27:
                                 vc->vc_reverse = 0;
                                 break;
-                        case 38: /* ANSI X3.64-1979 (SCO-ish?)
-                                  * Enables underscore, white foreground
-                                  * with white underscore (Linux - use
-                                  * default foreground).
-                                  */
-                                vc->vc_color = (vc->vc_def_color & 0x0f) | (vc->vc_color & 0xf0);
-                                vc->vc_underline = 1;
-                                break;
-                        case 39: /* ANSI X3.64-1979 (SCO-ish?)
-                                  * Disable underline option.
-                                  * Reset colour to default? It did this
-                                  * before...
-                                  */
+                        case 39:
                                 vc->vc_color = (vc->vc_def_color & 0x0f) | (vc->vc_color & 0xf0);
-                                vc->vc_underline = 0;
                                 break;
                         case 49:
                                 vc->vc_color = (vc->vc_def_color & 0xf0) | (vc->vc_color & 0x0f);