pty: Don't drop pty master tty lock to hangup slave
With the revised tty lock order and lockdep annotation, claiming the pty slave lock is now safe while still holding the pty master lock. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -66,9 +66,7 @@ static void pty_close(struct tty_struct *tty, struct file *filp)
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mutex_unlock(&devpts_mutex);
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}
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#endif
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tty_unlock(tty);
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tty_vhangup(tty->link);
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tty_lock(tty);
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}
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}
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