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authorRafael J. Wysocki <rjw@sisk.pl>2006-03-31 02:30:58 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-31 12:18:56 -0800
commit0ca07731e495584bd84dca15a0f065470d594ec4 (patch)
treed043e8b64b43361051e1e6b40ee37382591825df /drivers/char/vt.c
parentd32af0fe11b1618572389723e93cf33a4cc11c81 (diff)
downloadlinux-0ca07731e495584bd84dca15a0f065470d594ec4.tar.gz
[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>
Diffstat (limited to 'drivers/char/vt.c')
-rw-r--r--drivers/char/vt.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index ca4844c527da..acc5d47844eb 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;