From d3bda5298aad98c7a27678bdd0dd9d008ab9e685 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Mon, 30 Jan 2012 21:14:32 +0100 Subject: TTY: get rid of BTM around devpts_* devpts operations are protected by inode mutexes and dentry refcounting. There is no need to hold BTM. Signed-off-by: Jiri Slaby Signed-off-by: Greg Kroah-Hartman --- drivers/tty/pty.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers/tty/pty.c') diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index ddec9f3..39afd04 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -54,8 +54,8 @@ static void pty_close(struct tty_struct *tty, struct file *filp) wake_up_interruptible(&tty->link->write_wait); if (tty->driver->subtype == PTY_TYPE_MASTER) { set_bit(TTY_OTHER_CLOSED, &tty->flags); - devpts_pty_kill(tty->link); tty_unlock(); + devpts_pty_kill(tty->link); tty_vhangup(tty->link); tty_lock(); } @@ -613,9 +613,7 @@ static int ptmx_open(struct inode *inode, struct file *filp) return retval; /* find a device that is not in use. */ - tty_lock(); index = devpts_new_index(inode); - tty_unlock(); if (index < 0) { retval = index; goto err_file; @@ -650,8 +648,8 @@ err_release: tty_release(inode, filp); return retval; out: - devpts_kill_index(inode, index); tty_unlock(); + devpts_kill_index(inode, index); err_file: tty_free_file(filp); return retval; -- cgit v1.1