diff options
| -rw-r--r-- | i386/i386at/com.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/i386/i386at/com.c b/i386/i386at/com.c index e1ba71a..6edbca0 100644 --- a/i386/i386at/com.c +++ b/i386/i386at/com.c @@ -618,7 +618,7 @@ void comstart(tp) struct tty *tp; { - char nch; + int nch; #if 0 int i; #endif @@ -654,6 +654,8 @@ comst_4++; } #else nch = getc(&tp->t_outq); + if (nch == -1) + return; if ((nch & 0200) && ((tp->t_flags & LITOUT) == 0)) { timeout((timer_func_t *)ttrstrt, (char *)tp, (nch & 0x7f) + 6); tp->t_state |= TS_TIMEOUT; |