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Test the return value of UART_PARAM(). Invalid line parameters did not

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result in an error before.

PR: kern/60284
Submitted by: Thomas Sandford <freebsduser@paradisegreen.co.uk>
This commit is contained in:
Marcel Moolenaar 2004-02-14 05:54:39 +00:00
parent e9827c6d93
commit b662bdc270
1 changed files with 2 additions and 1 deletions
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3
sys/dev/uart/uart_tty.c
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@ -225,7 +225,8 @@ uart_tty_param(struct tty *tp, struct termios *t)
: UART_PARITY_EVEN;
else
parity = UART_PARITY_NONE;
UART_PARAM(sc, t->c_ospeed, databits, stopbits, parity);
if (UART_PARAM(sc, t->c_ospeed, databits, stopbits, parity) != 0)
return (EINVAL);
UART_SETSIG(sc, UART_SIG_DDTR | UART_SIG_DTR);
/* Set input flow control state. */
if (!sc->sc_hwiflow) {