diff options
Diffstat (limited to 'drivers/s390/char/fs3270.c')
| -rw-r--r-- | drivers/s390/char/fs3270.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index 84fbc90480dc..1227f4591f8d 100644 --- a/drivers/s390/char/fs3270.c +++ b/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); |