Module Name: src
Committed By: riastradh
Date: Fri Apr 21 17:35:43 UTC 2023
Modified Files:
src/sys/kern: subr_autoconf.c
Log Message:
autoconf(9): Add a comment where we risk arithmetic overflow.
To generate a diff of this commit:
cvs rdiff -u -r1.309 -r1.310 src/sys/kern/subr_autoconf.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/kern/subr_autoconf.c
diff -u src/sys/kern/subr_autoconf.c:1.309 src/sys/kern/subr_autoconf.c:1.310
--- src/sys/kern/subr_autoconf.c:1.309 Sun Apr 16 11:18:25 2023
+++ src/sys/kern/subr_autoconf.c Fri Apr 21 17:35:43 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: subr_autoconf.c,v 1.309 2023/04/16 11:18:25 riastradh Exp $ */
+/* $NetBSD: subr_autoconf.c,v 1.310 2023/04/21 17:35:43 riastradh Exp $ */
/*
* Copyright (c) 1996, 2000 Christopher G. Demetriou
@@ -77,7 +77,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_autoconf.c,v 1.309 2023/04/16 11:18:25 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_autoconf.c,v 1.310 2023/04/21 17:35:43 riastradh Exp $");
#ifdef _KERNEL_OPT
#include "opt_ddb.h"
@@ -1335,6 +1335,7 @@ config_makeroom(int n, struct cfdriver *
KASSERT(mutex_owned(&alldevs_lock));
alldevs_nwrite++;
+ /* XXX arithmetic overflow */
for (nndevs = MAX(4, cd->cd_ndevs); nndevs <= n; nndevs += nndevs)
;
