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catch zeroed ID string (happens for disabled devices)

This commit is contained in:
drochner 2000-01-16 03:30:23 +00:00
parent e73d544dec
commit 062970567f
1 changed files with 6 additions and 1 deletions
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7
sys/arch/i386/pnpbios/pnpbios.c
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@ -1,4 +1,4 @@
/* $NetBSD: pnpbios.c,v 1.8 2000/01/12 19:24:02 drochner Exp $ */
/* $NetBSD: pnpbios.c,v 1.9 2000/01/16 03:30:23 drochner Exp $ */
/*
* Copyright (c) 1999
* Matthias Drochner. All rights reserved.
@ -618,6 +618,11 @@ pnp_scan(bufp, maxlen, r, in_depends)
for (i = 0; i < len; i++)
idstr[i] = NEXTBYTE(p);
idstr[len] = '\0';
if (idstr[0] == '\0') {
/* disabled device */
free(idstr, M_DEVBUF);
break;
}
r->longname = idstr;
break;
case 0x05: /* 32bit memory descriptor */