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fix off-by-one error in string len check

This commit is contained in:
drochner 2002-07-10 19:04:09 +00:00
parent 6623130407
commit c318ca38c7
1 changed files with 3 additions and 3 deletions
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6
sys/kern/subr_autoconf.c
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@ -1,4 +1,4 @@
/* $NetBSD: subr_autoconf.c,v 1.63 2002/04/15 05:30:12 gmcgarry Exp $ */
/* $NetBSD: subr_autoconf.c,v 1.64 2002/07/10 19:04:09 drochner Exp $ */
/*
* Copyright (c) 1996, 2000 Christopher G. Demetriou
@ -81,7 +81,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: subr_autoconf.c,v 1.63 2002/04/15 05:30:12 gmcgarry Exp $");
__KERNEL_RCSID(0, "$NetBSD: subr_autoconf.c,v 1.64 2002/07/10 19:04:09 drochner Exp $");
#include "opt_ddb.h"
@ -409,7 +409,7 @@ config_attach(struct device *parent, struct cfdata *cf, void *aux,
lname = strlen(cd->cd_name);
xunit = number(&num[sizeof(num)], myunit);
lunit = &num[sizeof(num)] - xunit;
if (lname + lunit >= sizeof(dev->dv_xname))
if (lname + lunit > sizeof(dev->dv_xname))
panic("config_attach: device name too long");
/* get memory for all device vars */