Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Don't crash when trying to read phone data while there is no ISDN 

connection. From FreeBSD, via Matthias Drochner.
This commit is contained in:
martin 2002-01-27 11:42:13 +00:00
parent b41d81ade2
commit 7942602380
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
sys/netisdn/i4b_tel.c
View File

@ -27,7 +27,7 @@
* i4b_tel.c - device driver for ISDN telephony * i4b_tel.c - device driver for ISDN telephony
* -------------------------------------------- * --------------------------------------------
* *
* $Id: i4b_tel.c,v 1.5 2001/11/13 01:06:23 lukem Exp $ * $Id: i4b_tel.c,v 1.6 2002/01/27 11:42:13 martin Exp $
* *
* $FreeBSD$ * $FreeBSD$
* *
@ -36,7 +36,7 @@
*---------------------------------------------------------------------------*/ *---------------------------------------------------------------------------*/
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: i4b_tel.c,v 1.5 2001/11/13 01:06:23 lukem Exp $"); __KERNEL_RCSID(0, "$NetBSD: i4b_tel.c,v 1.6 2002/01/27 11:42:13 martin Exp $");
#include "i4btel.h" #include "i4btel.h"
@ -567,9 +567,9 @@ i4btelread(dev_t dev, struct uio *uio, int ioflag)
if(func == FUNCTEL) if(func == FUNCTEL)
{ {
s = splnet(); s = splnet();
while(IF_QEMPTY(sc->isdn_linktab->rx_queue) && while((sc->devstate & ST_ISOPEN) &&
(sc->devstate & ST_ISOPEN) && (sc->devstate & ST_CONNECTED) &&
(sc->devstate & ST_CONNECTED)) IF_QEMPTY(sc->isdn_linktab->rx_queue))
{ {
sc->devstate |= ST_RDWAITDATA; sc->devstate |= ST_RDWAITDATA;