diff options
| author | brian <brian@FreeBSD.org> | 1997-07-24 02:42:34 +0000 |
|---|---|---|
| committer | brian <brian@FreeBSD.org> | 1997-07-24 02:42:34 +0000 |
| commit | 55aac7e4fffaeb14c711888f3baae4ebf54aea2a (patch) | |
| tree | a5def5a28657f6e21eac78fe84da564219e5aadd | |
| parent | 68126f0545f0f9b21238e8dea11e4a4893f19334 (diff) | |
| download | FreeBSD-src-55aac7e4fffaeb14c711888f3baae4ebf54aea2a.zip FreeBSD-src-55aac7e4fffaeb14c711888f3baae4ebf54aea2a.tar.gz | |
Don't try to ioctl(,TIOCOUTQ,) on a closed
descriptor.
Reported by: Stephane Raimbault <stephane@cybersurf.net>
| -rw-r--r-- | usr.sbin/ppp/modem.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/usr.sbin/ppp/modem.c b/usr.sbin/ppp/modem.c index 9345903..bee6ef3 100644 --- a/usr.sbin/ppp/modem.c +++ b/usr.sbin/ppp/modem.c @@ -17,7 +17,7 @@ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. * - * $Id: modem.c,v 1.44 1997/06/23 23:10:13 brian Exp $ + * $Id: modem.c,v 1.45 1997/07/14 01:41:29 brian Exp $ * * TODO: */ @@ -788,10 +788,11 @@ ShowModemStatus() fprintf(VarTerm, "fd = %d, modem control = %o\n", modem, mbits); fprintf(VarTerm, "connect count: %d\n", connect_count); #ifdef TIOCOUTQ - if (ioctl(modem, TIOCOUTQ, &nb) > 0) - fprintf(VarTerm, "outq: %d\n", nb); - else - fprintf(VarTerm, "outq: ioctl probe failed.\n"); + if (modem >= 0) + if (ioctl(modem, TIOCOUTQ, &nb) > 0) + fprintf(VarTerm, "outq: %d\n", nb); + else + fprintf(VarTerm, "outq: ioctl probe failed: %s\n", strerror(errno)); #endif fprintf(VarTerm, "outqlen: %d\n", ModemQlen()); fprintf(VarTerm, "DialScript = %s\n", VarDialScript); |
