From 1c68bcb7e031af45cc3afc5dc471efe6d54800b4 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@redhat.com>
Date: Mon, 13 Oct 2008 10:45:52 +0100
Subject: [PATCH] --- yaml --- r: 113481 b: refs/heads/master c:
 a90610e50b98e18385d4fbea2c9eaefb12c5a75c h: refs/heads/master i:   113479:
 f601f9907c55309e3dde2e005f1e8a3be80a2cfb v: v3

---
 [refs]                           | 2 +-
 trunk/drivers/s390/char/fs3270.c | 6 +-----
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/[refs] b/[refs]
index 5890f29aaeba..235afeac6429 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 402fda9201ac619ea1f120996b1a142c57aeeb6b
+refs/heads/master: a90610e50b98e18385d4fbea2c9eaefb12c5a75c
diff --git a/trunk/drivers/s390/char/fs3270.c b/trunk/drivers/s390/char/fs3270.c
index 84fbc90480dc..1227f4591f8d 100644
--- a/trunk/drivers/s390/char/fs3270.c
+++ b/trunk/drivers/s390/char/fs3270.c
@@ -426,18 +426,14 @@ fs3270_open(struct inode *inode, struct file *filp)
 	minor = iminor(filp->f_path.dentry->d_inode);
 	/* Check for minor 0 multiplexer. */
 	if (minor == 0) {
-		struct tty_struct *tty;
-		mutex_lock(&tty_mutex);
-		tty = get_current_tty();
+		struct tty_struct *tty = get_current_tty();
 		if (!tty || tty->driver->major != IBM_TTY3270_MAJOR) {
 			tty_kref_put(tty);
-			mutex_unlock(&tty_mutex);
 			rc = -ENODEV;
 			goto out;
 		}
 		minor = tty->index + RAW3270_FIRSTMINOR;
 		tty_kref_put(tty);
-		mutex_unlock(&tty_mutex);
 	}
 	/* Check if some other program is already using fullscreen mode. */
 	fp = (struct fs3270 *) raw3270_find_view(&fs3270_fn, minor);