diff options
Diffstat (limited to 'drivers/tty/pty.c')
| -rw-r--r-- | drivers/tty/pty.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index e809e9d4683..e18604b3fc7 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -670,12 +670,18 @@ static int ptmx_open(struct inode *inode, struct file *filp) nonseekable_open(inode, filp); + retval = tty_alloc_file(filp); + if (retval) + return retval; + /* find a device that is not in use. */ tty_lock(); index = devpts_new_index(inode); tty_unlock(); - if (index < 0) - return index; + if (index < 0) { + retval = index; + goto err_file; + } mutex_lock(&tty_mutex); tty_lock(); @@ -689,27 +695,27 @@ static int ptmx_open(struct inode *inode, struct file *filp) set_bit(TTY_PTY_LOCK, &tty->flags); /* LOCK THE SLAVE */ - retval = tty_add_file(tty, filp); - if (retval) - goto out; + tty_add_file(tty, filp); retval = devpts_pty_new(inode, tty->link); if (retval) - goto out1; + goto err_release; retval = ptm_driver->ops->open(tty, filp); if (retval) - goto out2; -out1: + goto err_release; + tty_unlock(); - return retval; -out2: + return 0; +err_release: tty_unlock(); tty_release(inode, filp); return retval; out: devpts_kill_index(inode, index); tty_unlock(); +err_file: + tty_free_file(filp); return retval; } |