From 0ca07731e495584bd84dca15a0f065470d594ec4 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Fri, 31 Mar 2006 02:30:58 -0800
Subject: [PATCH] vt: add TIOCL_GETKMSGREDIRECT

Add TIOCL_GETKMSGREDIRECT needed by the userland suspend tool to get the
current value of kmsg_redirect from the kernel so that it can save it and
restore it after resume.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@suse.cz>
Cc: Michael Kerrisk <mtk-manpages@gmx.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 drivers/char/vt.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'drivers/char/vt.c')

diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index ca4844c527d..acc5d47844e 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -2328,6 +2328,10 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
 		case TIOCL_SETVESABLANK:
 			set_vesa_blanking(p);
 			break;
+		case TIOCL_GETKMSGREDIRECT:
+			data = kmsg_redirect;
+			ret = __put_user(data, p);
+			break;
 		case TIOCL_SETKMSGREDIRECT:
 			if (!capable(CAP_SYS_ADMIN)) {
 				ret = -EPERM;
-- 
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