n_tty: Remove unnecessary local variable
Flatten conditional evaluation in n_tty_set_termios; remove canon_change. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>hifive-unleashed-5.1
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1cb40d0872
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c786f74e0b
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@ -1752,11 +1752,8 @@ int is_ignored(int sig)
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static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old)
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static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old)
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{
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{
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struct n_tty_data *ldata = tty->disc_data;
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struct n_tty_data *ldata = tty->disc_data;
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int canon_change = 1;
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if (old)
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if (!old || (old->c_lflag ^ tty->termios.c_lflag) & ICANON) {
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canon_change = (old->c_lflag ^ tty->termios.c_lflag) & ICANON;
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if (canon_change) {
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bitmap_zero(ldata->read_flags, N_TTY_BUF_SIZE);
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bitmap_zero(ldata->read_flags, N_TTY_BUF_SIZE);
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ldata->line_start = 0;
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ldata->line_start = 0;
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ldata->canon_head = ldata->read_tail;
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ldata->canon_head = ldata->read_tail;
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