linux-kernel - [PATCH 4.14 134/148] vt: switch vt_dont

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20200401161605.176128991@linuxfoundation.org>
Date:   Wed,  1 Apr 2020 18:18:46 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 4.14 134/148] vt: switch vt_dont_switch to bool

From: Jiri Slaby <jslaby@...e.cz>

commit f400991bf872debffb01c46da882dc97d7e3248e upstream.

vt_dont_switch is pure boolean, no need for whole char.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
Link: https://lore.kernel.org/r/20200219073951.16151-6-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/tty/vt/vt_ioctl.c |    6 +++---
 include/linux/vt_kern.h   |    2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

--- a/drivers/tty/vt/vt_ioctl.c
+++ b/drivers/tty/vt/vt_ioctl.c
@@ -39,7 +39,7 @@
 #include <linux/kbd_diacr.h>
 #include <linux/selection.h>
 
-char vt_dont_switch;
+bool vt_dont_switch;
 
 static inline bool vt_in_use(unsigned int i)
 {
@@ -1026,12 +1026,12 @@ int vt_ioctl(struct tty_struct *tty,
 	case VT_LOCKSWITCH:
 		if (!capable(CAP_SYS_TTY_CONFIG))
 			return -EPERM;
-		vt_dont_switch = 1;
+		vt_dont_switch = true;
 		break;
 	case VT_UNLOCKSWITCH:
 		if (!capable(CAP_SYS_TTY_CONFIG))
 			return -EPERM;
-		vt_dont_switch = 0;
+		vt_dont_switch = false;
 		break;
 	case VT_GETHIFONTMASK:
 		ret = put_user(vc->vc_hi_font_mask,
--- a/include/linux/vt_kern.h
+++ b/include/linux/vt_kern.h
@@ -142,7 +142,7 @@ static inline bool vt_force_oops_output(
 	return false;
 }
 
-extern char vt_dont_switch;
+extern bool vt_dont_switch;
 extern int default_utf8;
 extern int global_cursor_default;