Don't open if we're going away.
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06f40e9610
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793bcd17d5
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=157277
@ -137,6 +137,10 @@ uart_tty_open(struct tty *tp, struct cdev *dev)
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struct uart_softc *sc;
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sc = tp->t_sc;
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if (sc == NULL || sc->sc_leaving)
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return (ENXIO);
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sc->sc_opened = 1;
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return (0);
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}
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