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authorMichael Shalayeff <mickey@cvs.openbsd.org>1997-10-25 19:50:09 +0000
committerMichael Shalayeff <mickey@cvs.openbsd.org>1997-10-25 19:50:09 +0000
commit1b0d606670c13232cf51b51833fa2820a7c7207b (patch)
tree7d84692b89380820d79366992df6d4cbe248e105 /sys/arch/i386
parent62acfef8b54dd77de9fdc001b8b9b9ba2c537059 (diff)
treat a case bios0 is not attached
Diffstat (limited to 'sys/arch/i386')
-rw-r--r--sys/arch/i386/i386/bios.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/arch/i386/i386/bios.c b/sys/arch/i386/i386/bios.c
index 385b1fb5175..d83a8586655 100644
--- a/sys/arch/i386/i386/bios.c
+++ b/sys/arch/i386/i386/bios.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bios.c,v 1.17 1997/10/25 08:45:53 mickey Exp $ */
+/* $OpenBSD: bios.c,v 1.18 1997/10/25 19:50:08 mickey Exp $ */
/*
* Copyright (c) 1997 Michael Shalayeff
@@ -82,7 +82,7 @@ struct cfdriver bios_cd = {
extern u_int bootapiver; /* locore.s */
extern dev_t bootdev;
-bios_diskinfo_t *bios_diskinfo;
+bios_diskinfo_t *bios_diskinfo = NULL;
u_int32_t bios_cksumlen;
bios_diskinfo_t *bios_getdiskinfo __P((dev_t));
@@ -349,6 +349,9 @@ bios_getdiskinfo(dev)
{
bios_diskinfo_t *pdi;
+ if (bios_diskinfo == NULL)
+ return NULL;
+
for (pdi = bios_diskinfo; pdi->bios_number != -1; pdi++) {
if ((dev & B_MAGICMASK) == B_DEVMAGIC) { /* search by bootdev */
if (pdi->bsd_dev == dev)