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Protect against PCI devices which may have their 'changed' flag set,

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or list items which may look like devices but which don't have an
isa_device structure attached to them.

This _shouldn't_ be possible, but it appears to have been
observed-by: Joerg
This commit is contained in:
Mike Smith 1996-11-05 05:52:36 +00:00
parent ea8f0676cf
commit 0a9d630ea8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=19417
1 changed files with 6 additions and 2 deletions
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8
sys/i386/i386/userconfig.c
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@ -46,7 +46,7 @@
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**
** $Id: userconfig.c,v 1.62 1996/10/28 17:14:58 imp Exp $
** $Id: userconfig.c,v 1.63 1996/10/30 21:40:15 julian Exp $
**/
/**
@ -674,6 +674,10 @@ savelist(DEV_LIST *list, int active)
{
if ((list->comment == DEV_DEVICE) && list->changed)
{
if ((list->iobase == -2) || /* is a PCI device; can't save */
(list->device == NULL)) /* no isa_device associated at all?! */
continue;
setdev(list,active); /* set the device itself */
id_pn = NULL;
@ -2212,7 +2216,7 @@ visuserconfig(void)
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: userconfig.c,v 1.62 1996/10/28 17:14:58 imp Exp $
* $Id: userconfig.c,v 1.63 1996/10/30 21:40:15 julian Exp $
*/
#include "scbus.h"