removed unused var real_tty on n_tty_ioctl()
I noted that the 'struct tty_struct *real_tty' is not used in this function, so I removed the code about 'real_tty'. Signed-off-by: Gustavo Fernando Padovan <gustavo@las.ic.unicamp.br> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -981,16 +981,9 @@ EXPORT_SYMBOL_GPL(tty_perform_flush);
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int n_tty_ioctl(struct tty_struct *tty, struct file *file,
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unsigned int cmd, unsigned long arg)
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{
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struct tty_struct *real_tty;
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unsigned long flags;
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int retval;
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if (tty->driver->type == TTY_DRIVER_TYPE_PTY &&
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tty->driver->subtype == PTY_TYPE_MASTER)
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real_tty = tty->link;
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else
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real_tty = tty;
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switch (cmd) {
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case TCXONC:
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retval = tty_check_change(tty);
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