From 2fcbca0d8575cf5ca6924283517b3adfc7d6d113 Mon Sep 17 00:00:00 2001 From: Warner Losh Date: Wed, 7 Apr 2004 05:00:01 +0000 Subject: Remove advertising clause from University of California Regent's license, per letter dated July 22, 1999 and email from Peter Wemm, Alan Cox and Robert Watson. Approved by: core, peter, alc, rwatson --- sys/dev/sio/sio.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'sys/dev/sio') diff --git a/sys/dev/sio/sio.c b/sys/dev/sio/sio.c index 6415fb5ac5724..9bf4dfa748431 100644 --- a/sys/dev/sio/sio.c +++ b/sys/dev/sio/sio.c @@ -1792,9 +1792,20 @@ siointr1(com) } } line_status = inb(com->line_status_port); - + if (line_status == 0xff) { + printf("sio%d: spouting nonsense -- disabled.\n", + com->unit); + com->gone = 1; + break; + } /* input event? (check first to help avoid overruns) */ while (line_status & LSR_RCV_MASK) { + if (line_status == 0xff) { + printf("sio%d: linestats bogus -- disabled.\n", + com->unit); + com->gone = 1; + return; + } /* break/unnattached error bits or real input? */ if (!(line_status & LSR_RXRDY)) recv_data = 0; -- cgit v1.3