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Use on-stack buffer to check for 2.88MB floppy, malloc() hasn't been 

loaded when this is called.
Clearly the information is actually available from the bios.
(Approved by christos)
This commit is contained in:
dsl 2003-02-07 00:46:08 +00:00
parent 166444b3a9
commit 53d3dabb6a
1 changed files with 3 additions and 2 deletions
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5
sys/arch/i386/stand/lib/biosdisk_ll.c
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@ -1,4 +1,4 @@
/* $NetBSD: biosdisk_ll.c,v 1.14 2003/02/01 14:48:17 dsl Exp $ */
/* $NetBSD: biosdisk_ll.c,v 1.15 2003/02/07 00:46:08 dsl Exp $ */
/*
* Copyright (c) 1996
@ -71,6 +71,7 @@ int
set_geometry(struct biosdisk_ll *d, struct biosdisk_ext13info *ed)
{
int diskinfo;
char buf[512];
diskinfo = get_diskinfo(d->dev);
d->sec = SPT(diskinfo);
@ -90,7 +91,7 @@ set_geometry(struct biosdisk_ll *d, struct biosdisk_ext13info *ed)
* read sector >= 18. If not, assume 1.44 floppy disk.
*/
if (d->dev == 0 && SPT(diskinfo) == 36) {
if (biosread(d->dev, 0, 0, 18, 1, alloc_diskbuf(0))) {
if (biosread(d->dev, 0, 0, 18, 1, buf)) {
d->sec = 18;
d->chs_sectors /= 2;
}