linux-kernel - [PATCH 07/15] vt_ioctl: fix lock imbalance

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Message-ID: <20090622174215.25341.97384.stgit@t61.ukuu.org.uk>
Date:	Mon, 22 Jun 2009 18:42:18 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: [PATCH 07/15] vt_ioctl: fix lock imbalance

From: Jiri Slaby <jirislaby@...il.com>

Don't return from switch/case directly in vt_ioctl. Set ret and break
instead so that we unlock BKL.

Signed-off-by: Jiri Slaby <jirislaby@...il.com>
Signed-off-by: Alan Cox <alan@...ux.intel.com>
Cc: stable@...nel.org
---

 drivers/char/vt_ioctl.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)


diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index e6ce632..7539bed 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -396,7 +396,8 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 	kbd = kbd_table + console;
 	switch (cmd) {
 	case TIOCLINUX:
-		return tioclinux(tty, arg);
+		ret = tioclinux(tty, arg);
+		break;
 	case KIOCSOUND:
 		if (!perm)
 			goto eperm;

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